Method for treating keratin substance or fiber for head ornamental product

Abstract

To provide a method for treating a keratin substance or a fiber for head ornamental products, enabling the treatment effect of a treatment agent on the keratin substance or the fiber for head ornamental products to last for a long time, giving a good feeling after the treatment, allowing the treatment agent to be easily removed from the keratin substance or the fiber for head ornamental products, and ensuring quick drying and good feeling of the keratin substance or the fiber for head ornamental products from which the treatment agent has been removed.SOLUTION: Provided is a method for treating a keratin substance or a fiber for head ornamental products, the method comprising a step (I) for applying a first agent to the keratin substance or the fiber for head ornamental products to form a coating film and a step (II) for applying a second agent to the keratin substance or the fiber for head ornamental products each of which has the coating film formed thereon to remove the coating film, in which the first agent comprises a component (A) that is a silicone coating film-forming agent having a solid form at 25°C and a component (B) that is an organopolysiloxane having a cationic group and different from the component (A), and the second agent comprises a component (C) that is an oil agent.SELECTED DRAWING: None

Description

[Technical Field]

[0001] The present invention relates to a method for processing keratin substances or fibers for headwear products. [Background technology]

[0002] Keratin substances are sometimes colored for purposes such as improving fashionability, as seen in hair dyes and nail polishes. Furthermore, there is a growing need to easily change hair and nail color, or to color hair and nails during vacations and remove the color afterward, allowing for flexible changes at one's preferred timing. On the other hand, the coloring effect of keratin materials or fibers used in headwear products such as wigs can be lost due to friction from daily activities or after a single wash. Therefore, technologies are being investigated that provide good color retention when coloring keratin materials or fibers used in headwear products, and that allow for easy removal of the color when desired.

[0003] For example, Patent Document 1 discloses a hair coloring agent that allows the color dye to be reversed with a neutralizing agent, characterized in that a neutralization-reaction type resin exhibits water resistance when unneutralized and becomes clearly water-soluble after neutralization, and the film that dries in the unneutralized state has washability that cannot be easily washed away with acidic or neutral hair detergents, is used as an adhesive resin and mixed and dissolved with a coloring agent in a non-aqueous solvent, a hair coloring agent that allows the color dye to be reversed with a neutralizing agent, a hair coloring method using the same, and a hair coloring and color dye removal method.According to this hair coloring agent, it is possible to enjoy "fashion dyeing" with a hair coloring agent of your favorite color for a certain period of time, and then instantly release the effect at any time, returning the hair to its original hair color and texture. [Prior art documents] [Patent Documents]

[0004] [Patent Document 1] Japanese Patent Publication No. 2006-63059 [Overview of the Initiative] [Problems that the invention aims to solve]

[0005] However, there is usually a trade-off between the persistence of the treatment effect of a treatment agent on keratin substances or fibers for headwear products and the ease of removing the treatment agent. In the technology disclosed in Patent Document 1, the persistence of the coloring and dyeing effect was not sufficient. Furthermore, in practical use, the quick drying of hair after color removal and the feel of the hair after treatment are also important, but these are not mentioned in Patent Document 1.

[0006] The present invention relates to a method for treating keratin materials or fibers for headwear products, wherein the treatment effect of the treatment agent is highly sustained, the treated material has a good feel after treatment, the treatment agent can be easily removed from the keratin materials or fibers for headwear products, and the keratin materials or fibers for headwear products have excellent quick-drying properties and feel after the treatment agent has been removed. [Means for solving the problem]

[0007] The inventors of the present invention have found that the above problems can be solved by a method comprising the step of treating a keratin substance or a fiber for headwear products with a predetermined first agent and second agent, and have completed the present invention. In other words, the present invention relates to the following. [1] A method for treating keratin substances or fibers for headwear products, wherein the method is: Step (I) A step of applying the first agent to a keratin substance or fiber for headwear products to form a film, Step (II) is a step of applying the second agent to the keratin material or fiber for headwear products on which the film has been formed to remove the film, and so on, The first agent contains component (A): a silicone film-forming agent that is solid at 25°C, and component (B): an organopolysiloxane other than component (A) having a cationic group, and the second agent contains component (C): an oil. [2] A kit for treating keratin materials or fibers for headwear products, comprising: a first agent containing component (A): a silicone film-forming agent that is solid at 25°C, and component (B): an organopolysiloxane other than component (A) having a cationic group, and a second agent containing component (C): an oil. [Effects of the Invention]

[0008] According to the present invention, a treatment method is provided that offers high durability of the treatment effect of the treatment agent on keratin material or fibers for headwear products, a good feel after treatment, and the treatment agent can be easily removed from the keratin material or fibers for headwear products, and the keratin material or fibers for headwear products have excellent quick-drying properties and feel after the treatment agent is removed. For example, if the first agent is a hair dye containing a coloring agent, the hair dyed with the hair dye has high resistance to washing, excellent color retention, and a good feel after dyeing. Furthermore, the coloring by the hair dye can be easily reversed by treatment with the second agent, and the hair also has excellent quick-drying properties and feel after the coloring is removed. [Modes for carrying out the invention]

[0009] [Definition] As used herein, "polymer" means a compound consisting of a repetition of one or more units (these units are derived from compounds known as monomers). These units are repeated at least twice, preferably at least three times. As used herein, "keratin material" includes, for example, the skin, eyebrows, eyelashes, hair, and nails of humans and other animals, as well as artificially produced keratin material (excluding fibers for headwear products). As used herein, "hair" refers to human head hair, but also includes hair that has been detached from a human head. As used herein, "headwear products" means, for example, hair wigs, hairpieces, weaving, hair extensions, braided hair, hair accessories, doll hair, etc. As used herein, "fibers for headwear products" means fibers used in the headwear products. As used herein, "hydrophobic" means that the solubility of a substance in water is less than 1% by mass at 25°C. As used herein, "film formation" means leaving a solid film on the substrate to which it is applied. As used herein, "volatile" means having a boiling point of 260°C or lower at normal pressure.

[0010] [Method for processing keratin substances or fibers for headwear products] The present invention relates to a method for treating keratin material or fibers for headwear products (hereinafter also referred to as "the method of the present invention"), comprising the steps of (I) applying a first agent to keratin material or fibers for headwear products to form a film, and (II) applying a second agent to the keratin material or fibers for headwear products on which the film has been formed to remove the film, wherein the first agent contains component (A): a silicone film-forming agent that is solid at 25°C, and component (B): an organopolysiloxane other than component (A) having a cationic group, and the second agent contains component (C): an oil. By adopting the above configuration, the present invention provides a highly durable treatment effect on keratin material or fibers for headwear products after treatment with the treatment agent (first agent), a good feel, and the treatment agent (film formed by the first agent) can be easily removed from the keratin material or fibers for headwear products with the second agent, resulting in excellent quick-drying properties and feel of the keratin material or fibers for headwear products after removal of the treatment agent (film).

[0011] In this specification, "the keratin substance or fibers for headwear products have a good feel after treatment with the treatment agent (first agent)" means that the keratin substance or fibers for headwear products have a smooth feel after treatment with the first agent in step (I), and if the keratin substance is hair, it means that the hair is easy to comb through after treatment. Furthermore, "the keratin substance or fibers for headwear products have a good feel after the removal of the treatment agent" means that the keratin substance or fibers for headwear products are not sticky after the film removal in step (II). The above-mentioned effects of the present invention can be specifically evaluated by the methods described in the examples.

[0012] The reason why the present invention produces the above effects is not clear, but it is presumed to be as follows. In the processing method of the present invention, the first agent used in step (I) contains component (A) and component (B). Component (A) is a hydrophobic film-forming agent that is solid at 25°C, and a hydrophobic film can be formed by applying the first agent containing component (A) to a keratin substance or a fiber for headwear products. Since component (A) can maintain the strength and durability of the film, it is thought that the durability of the film formed on the surface of the keratin substance or fiber for headwear products by the first agent against friction, washing, etc., can be improved, and the treatment effect of the first agent can be sustained. Furthermore, it is thought that the quick-drying properties of the keratin substance or fiber for headwear products after film removal in step (II) can be improved, and stickiness can be suppressed. In addition, if the first agent contains a coloring agent such as a pigment, it is thought that the color retention effect of the coloring agent in the film will further improve the color retention of the keratin substance or fiber for headwear products after washing. On the other hand, since component (B) has a cationic group, it is thought that it can improve the feel of the keratin material after treatment with the first agent. Furthermore, since component (B) has high adsorption to negatively charged keratin material or fibers for headwear products, it is thought that it is unevenly distributed on the side of the keratin material or fibers for headwear products in the film formed by the first agent, firmly adhering the film to its surface and enhancing the effect of preventing the film from peeling off. The second agent used in step (II) contains component (C): an oil. The oil is preferably a liquid oil at 25°C, which readily adheres to the film formed on the surface of the keratin material or the fiber for headwear products in step (I), and is considered to allow for easy peeling, dispersing, and removal of the film without impairing the quick-drying properties and feel of the keratin material or the fiber for headwear products after the film has been removed. Therefore, for example, if the first agent is a hair dye containing a coloring agent, the hair dyed with this hair dye will have high resistance to washing, excellent color retention, and a good feel after dyeing. Furthermore, the coloring by this hair dye can be easily reversed by treating with the second agent, and it is believed that the hair will dry quickly and feel good after the hair dye is removed. However, the mechanism of action of the present invention is not limited to the above.

[0013] <Keratin material or fiber for headwear products> The keratinous substances to which the method of the present invention can be applied are preferably skin, eyebrows, eyelashes, hair, nails, etc. Among these, hair is more preferred as the keratinous substance from the viewpoint of applying the second agent.

[0014] The fibers used for headwear products to which the method of the present invention applies may be either naturally derived fibers or synthetic fibers, but naturally derived fibers are preferred. Naturally derived fibers refer to fibers (excluding human hair) collected from natural animals and plants, or fibers artificially manufactured using proteins, polysaccharides, etc. as raw materials. Of these, fibers artificially manufactured using animal hair, or proteins or polysaccharides such as keratin, collagen, casein, as well as proteins derived from soybeans, peanuts, corn, silk, etc., are preferred. Regenerated protein fibers made from keratin, collagen, casein, soy protein, peanut protein, corn protein, silk protein (e.g., silk fibroin) are more preferred, regenerated protein fibers such as regenerated collagen fibers made from collagen, and regenerated silk fibers made from silk fibroin are even more preferred, and regenerated collagen fibers are even more preferred. Regenerated collagen fibers can be manufactured using known technologies. The composition of regenerated collagen fibers does not need to be 100% collagen; they may contain natural polymers, synthetic polymers, additives, etc., for quality improvement. Furthermore, the regenerated collagen fibers may be post-treated. Filaments are preferred as the form of regenerated collagen fibers. Filaments are generally extracted from bobbins or boxes. Alternatively, filaments that come out of the drying process during the manufacturing of regenerated collagen fibers can be used directly.

[0015] Examples of synthetic fibers include fibers containing synthetic resin as the main component. From the viewpoint of ease of manufacturing the synthetic fiber and obtaining a texture similar to hair, the synthetic resin is preferably a thermoplastic resin, and more preferably one or more selected from the group consisting of polyester resin, polyamide resin, polyimide resin, polyamide-imide resin, vinyl chloride resin, polycarbonate resin, polyphenylene sulfide resin, and modacrylic resin (a copolymer of acrylonitrile and vinyl chloride). Here, "main component" means a component whose content in the synthetic fiber is preferably 50% by mass or more, more preferably 60% by mass or more, even more preferably 70% by mass or more, even more preferably 80% by mass or more, and even more preferably 90% by mass or more, and 100% by mass or less. In addition to the synthetic resin described above, the synthetic fiber may further contain various components such as flame retardants, flame retardant enhancers, light or heat stabilizers, fluorescent agents, antioxidants, antistatic agents, and ultraviolet absorbers, to the extent that they do not impair the effects of the present invention.

[0016] The objects to which the method of the present invention can be applied are preferably skin, eyebrows, eyelashes, hair, nails, or fibers for headwear products, more preferably hair or fibers for headwear products, and even more preferably hair.

[0017] <Process (I)> Step (I) is a step of applying the first agent to a keratin material or fiber for headwear products to form a film, the first agent containing component (A): a silicone film-forming agent that is solid at 25°C, and component (B): an organopolysiloxane other than component (A) that has a cationic group. The components contained in the first agent used in step (I) will be described below.

[0018] (Component (A): A silicone film-forming agent that is solid at 25°C) The first agent contains a silicone film-forming agent as component (A), which is solid at 25°C. The inclusion of component (A) allows for the formation of a hydrophobic film with high resistance to friction, washing, etc., when applied to keratin materials or fibers for headwear products. Hereinafter, this high resistance to friction, washing, etc., will also be referred to as "the sustained effectiveness of the treatment on keratin materials or fibers for headwear products."

[0019] As the component (A), a silicone film-forming agent that is solid at 25°C and is usually used in cosmetics can be used. From the viewpoints of film-forming property and improvement in the persistence of the treatment effect on keratin substances or fibers for headgear products, the component (A) is preferably at least one selected from the group consisting of the following components (A1) and (A2). Component (A1): The average formula (R , , 1 / 2 , 4 / 2 , , , 1 , 4 / 2 ) m SiO (4-m) / 2 (In the formula, R 1 represents a hydrocarbon group or a hydroxyl group having 1 to 12 carbon atoms which may be fluorine-substituted. A plurality of R 1 may be the same as or different from each other. m is an average number and is a number greater than 0 and less than 3.) represented by, and a silicone resin containing at least one unit selected from the group consisting of a T unit represented by R 1 SiO 3 / 2 and a Q unit represented by SiO 4 / 2 <00​​​​​​​​​​​​​​​​​​​​​​​​​​​(A2-2) Silicone-modified alicyclic structure-containing polymer (A2-3) Silicone-modified pullulan (A2-4) Polyurea / Urethane Silicone

[0021] (Ingredient (A1)) The component (A1) is given by the average formula (R 1 ) m SiO (4-m) / 2 (In the formula, R 1 R represents a hydrocarbon group or hydroxyl group having 1 to 12 carbon atoms, which may be fluorine-substituted. 1 (These two numbers may be the same or different. m is the mean number, which is greater than or equal to 0 and less than 3.) It is represented as R 1 SiO 3 / 2 T units and SiO are represented by the T units and SiO 4 / 2 This is a silicone resin containing one or more units selected from the group consisting of Q units represented by [the formula shown]. Component (A1) is represented by the above average formula and contains one or more units selected from the group consisting of the T units and Q units, thus having a cross-linked structure in its molecule. It is believed that this structure allows for the formation of a coating with higher durability. Note that component (A1) does not contain polyorganosiloxane cured powder, which is infusible, has no softening point, and is generally insoluble in organic solvents.

[0022] In the above average formula, R 1 This is a hydrocarbon group or hydroxyl group having 1 to 12 carbon atoms, which may be fluorine-substituted. The carbon number of the hydrocarbon group is 1 or more, preferably 9 or less, more preferably 6 or less, and even more preferably 4 or less, from the viewpoint of film-forming properties in step (I) and improving the persistence of the treatment effect on keratin material or fibers for headwear products. The hydrocarbon group may be either an aliphatic group or an aromatic group, such as an alkyl group, alkenyl group, aryl group, or aralkyl group. The alkyl group and alkenyl group may be either linear or branched. Among the above, alkyl groups, aryl groups, or aralkyl groups are preferred as the hydrocarbon group from the viewpoint of availability and stability.

[0023] Examples of the alkyl groups include methyl, ethyl, n-propyl, isopropyl, various butyl groups, various pentyl groups, various hexyl groups, various heptyl groups, various octyl groups, various nonyl groups, various decyl groups, various undecyl groups, and various dodecyl groups. The term "various" refers to linear or branched hydrocarbon groups, and for example, "various butyl groups" includes "n-butyl group, sec-butyl group, isobutyl group, and tert-butyl group." Examples of the aryl group include phenyl group, toluyl group, dimethylphenyl group, naphthyl group, etc., with phenyl group being preferred. Examples of the aralkyl group include benzyl group, phenylethyl group, phenylpropyl group, and phenylbutyl group, with phenylpropyl group being preferred.

[0024] R 1 If the hydrocarbon group is fluorine-substituted, it is sufficient that at least one hydrogen atom in the hydrocarbon group is substituted with a fluorine atom.

[0025] R 1 From the viewpoint of improving film-forming properties and the persistence of the treatment effect on keratin materials or fibers for headwear products, it is preferably a C1 to C12 alkyl group, an aryl group, or an aralkyl group, which may be fluorine-substituted, more preferably a C1 to C8 alkyl group, or a phenyl group, and even more preferably a C1 to C6 alkyl group, or a phenyl group, which may be fluorine-substituted. The fluorine-substituted alkyl group is preferably a group represented by CF3-R- (wherein R is an alkylene group having 2 to 7 carbon atoms, preferably 2 to 5 carbon atoms). R 1It is more preferably a trifluoropropyl group, an alkyl group having 1 to 4 carbon atoms, or a phenyl group; more preferably a trifluoropropyl group, a methyl group, an ethyl group, an n-propyl group, an isopropyl group, or an n-butyl group; more preferably a trifluoropropyl group, a methyl group, or an n-propyl group; and more preferably a methyl group.

[0026] Component (A1) is R 1 SiO 3 / 2 T units and SiO are represented by the T units and SiO 4 / 2 It is sufficient to include one or more units selected from the group consisting of Q units represented by , and from the viewpoint of improving film-forming properties and the persistence of the treatment effect on keratin substances or fibers for headwear products, further, (R 1 )3SiO 1 / 2 The M unit is represented by (R 1 )2SiO 2 / 2 It is preferable to include one or more units selected from the group consisting of D units represented by R. 1 This is the same as above. From the viewpoint of improving film-forming properties and the persistence of the treatment effect on keratin substances or fibers for headwear products, component (A1) is preferably represented by the above average formula, R 1 SiO 3 / 2 Includes T units represented by SiO 4 / 2 A silicone resin (A1-1) that substantially does not contain the Q unit represented by the above average formula, and SiO 4 / 2 The Q units and (R 1 )3SiO 1 / 2 It is one or more selected from the group consisting of silicone resins (A1-2) containing the M unit represented by .

[0027] [Silicone resin (A1-1)] The above average formula is expressed as R 1 SiO 3 / 2 Includes T units represented by SiO 4 / 2A silicone resin (A1-1) (hereinafter also referred to as "component (A1-1)") which substantially does not contain Q units represented by [R] is a silicone resin which contains T units and may also contain M units or D units, and is preferably [R] 1 SiO 3 / 2 ] a [(R 1 )3SiO 1 / 2 ] b This is a silicone resin that contains T units and may also contain M units, represented by (a and b are the average number of repeating units, where a > 0 and b ≥ 0). "Substantially absent" means that the proportion of M units in the silicone resin is less than 1 mol%. R 1 The same as described above, preferably an alkyl group having 1 to 4 carbon atoms, or a phenyl group, more preferably a methyl group, an ethyl group, an n-propyl group, or an isopropyl group, and even more preferably a methyl group, an n-propyl group, or an isopropyl group.

[0028] Component (A1-1) includes polysilsesquioxanes such as polymethylsilsesquioxane, polypropylsilsesquioxane, polyphenylsilsesquioxane, polymethylphenylsilsesquioxane, and fluorine-modified alkyldimethylpolysilsesquioxane, and one or more of these can be used. Examples of fluorine-modified alkyldimethylpolysilsesquioxane include the INCI name "(trifluoropropyldimethylsiloxy / trimethylsiloxy)silsesquioxane". In particular, from the viewpoint of improving film-forming properties and the persistence of the treatment effect on keratin substances or fibers for headwear products, one or more selected from the group consisting of polymethylsilsesquioxane and polypropylsilsesquioxane are preferred as component (A1-1), with polymethylsilsesquioxane being more preferred.

[0029] Examples of commercially available products containing component (A1-1) include SilForm Flexible Resin (polymethylsilsesquioxane), SilForm FR-5 ((trifluoropropyldimethylsiloxy / trimethylsiloxy)silsesquioxane solution) (both manufactured by Momentive Performance Materials), DOWSIL 680 ID Fluid (75% by mass-isododecane solution of polypropylsilsesquioxane) (both manufactured by Dow Toray Industries, Inc.), SR-21 (polyphenylsilsesquioxane), SR-23 (polyphenylsilsesquioxane), and SR-33 (polymethylphenylsilsesquioxane) (all manufactured by Konishi Chemical Industry Co., Ltd.).

[0030] [Silicone resin (A1-2)] The above average formula is expressed as, SiO 4 / 2 The Q units and (R 1 )3SiO 1 / 2 The silicone resin (A1-2) (hereinafter also referred to as "component (A1-2)") containing M units represented by is a silicone resin that substantially contains Q units and M units, and may also contain D units or T units, preferably [SiO2 4 / 2 ] c [(R 1 )3SiO 1 / 2 ] d This is a silicone resin represented by (c and d being the average number of repeating units, where c > 0 and d > 0). R 1 The same as described above, preferably an alkyl group having 1 to 6 carbon atoms that may be fluorine-substituted, or a phenyl group; more preferably a trifluoropropyl group, an alkyl group having 1 to 4 carbon atoms, or a phenyl group; even more preferably a trifluoropropyl group, a methyl group, an ethyl group, an n-propyl group, or an isopropyl group; even more preferably a trifluoropropyl group or a methyl group; and even more preferably a methyl group.

[0031] Components (A1-2) include trimethylsiloxysilicate, phenylpropyldimethylsiloxysilicate, fluorine-modified alkyldimethylsiloxysilicate, or crosspolymers obtained by crosslinking these siloxysilicates with dimethiconol, etc., and one or more of these can be used. Examples of fluorine-modified alkyldimethylsiloxysilicate include trifluoroalkyldimethyltrimethylsiloxysilicate, with the INCI name "Trifluoropropyldimethyl / Trimethylsiloxysilicate," such as trifluoropropyldimethyltrimethylsiloxysilicate. Examples of crosspolymers obtained by crosslinking siloxysilicates with dimethiconol, etc., include those with the INCI name "(trimethylsiloxysilicate / dimethiconol) crosspolymer." In particular, from the viewpoint of improving film-forming properties and the persistence of the treatment effect on keratin substances or fibers for headwear products, one or more selected from the group consisting of trimethylsiloxysilicate, trifluoropropyldimethyltrimethylsiloxysilicate, and (trimethylsiloxysilicate / dimethiconol) crosspolymer are preferred as components (A1-2), one or more selected from the group consisting of trimethylsiloxysilicate and trifluoropropyldimethyltrimethylsiloxysilicate are more preferred, and trimethylsiloxysilicate is even more preferred.

[0032] Among the components (A1-2), commercially available products containing trimethylsiloxysilicate include KF-7312J (50% by mass - decamethylcyclopentasiloxane solution), KF-9021 (50% by mass - decamethylcyclopentasiloxane solution), X-21-5249 (50% by mass - decamethylcyclopentasiloxane solution), X-21-5595 (60% by mass - isododecane solution), and X-21-5616 (60% by mass - isododecane solution) (all of the above are reliable). Examples include SS4267 (35% by mass - dimethylpolysiloxane solution), SR1000, SS4230 (45% by mass - cyclopentasiloxane solution), SS4267 (35% by mass - dimethylpolysiloxane solution), Silsoft74 (75% by mass - isododecane solution) (all manufactured by Momentive Performance Materials), BY11-018 (30% by mass - cyclopentasiloxane solution), MQ-1600 Solid Resin (all manufactured by Dow Toray Industries, Inc.), and BELSIL TMS 803 (manufactured by Asahi Kasei Wacker Silicone Co., Ltd.). Examples of commercially available phenylpropyldimethylsiloxysilicate include SilShine 151 (manufactured by Momentive Performance Materials). Commercially available fluorine-modified alkyldimethylsiloxysilicate products include XS66-B8226 (50% by mass - cyclopentasiloxane solution), XS66-C1191, and XS66-B8636 (50% by mass - dimethicone solution) (all manufactured by Momentive Performance Materials), which have the INCI name "Trifluoropropyldimethyl / Trimethylsiloxysilicate". Commercially available trimethylsiloxysilicate crosspolymers include DOWSIL FC-5001 CM Resin Gum (40% by mass of decamethylcyclopentasiloxane solution of trimethylsiloxysilicate / dimethiconol crosspolymer), DOWSIL FC-5002 IDD Resin Gum (40% by mass of isododecane solution of trimethylsiloxysilicate / dimethiconol crosspolymer), and DOWSIL FC-5004 DM (1.5cSt) Silicone Resin Gum (40% by mass of dimethicone solution of trimethylsiloxysilicate / dimethiconol crosspolymer) (all manufactured by Dow-Toray Industries, Inc.).

[0033] Furthermore, DOWSIL MQ-1640 Flake Resin (a mixture of trimethylsiloxysilicate and polypropylsilsesquioxane, manufactured by Dow-Toray Corporation) is a commercially available mixture of silicone resin (A1-1) and silicone resin (A1-2).

[0034] (Component (A2)) Component (A2) is a silicone polymer comprising a polysiloxane moiety and a moiety consisting of a non-silicone organic chain. The non-silicone organic monomer constituting the non-silicone organic chain portion may be preferably selected from radically polymerizable ethylenically unsaturated monomers, polycondensation-polymerizable monomers (e.g., those that produce polyamides, polyesters, or polyurethanes), and ring-opening monomers (e.g., oxazoline or caprolactone types) from the viewpoint of market availability. The aforementioned component (A2) preferably includes one or more selected from the group consisting of the following components (A2-1) to (A2-4), and more preferably includes component (A2-1). (A2-1) Acrylic silicone polymer (A2-2) Silicone-modified alicyclic structure-containing polymer (A2-3) Silicone-modified pullulan (A2-4) Polyurea / Urethane Silicone

[0035] [Acrylic silicone polymer (A2-1)] Examples of the acrylic silicone polymer component (A2-1) include acrylic polymers having a carbosiloxane dendrimer structure in the side chain, acrylic-silicone graft copolymers, and graft copolymers or alternating block copolymers in which structural units consisting of polysiloxane groups and polymers of unsaturated monomers are linked via sulfide bonds. Examples of acrylic polymers having a carbosiloxane dendrimer structure in their side chains include silicone dendrimer-acrylic copolymers, which can be manufactured according to the manufacturing methods described in, for example, Japanese Patent Publication No. 11-1530 and Japanese Patent Publication No. 2000-63225.

[0036] As an acrylic polymer having a carbosiloxane dendrimer structure in its side chain, the INCI name "(Acrylates / Polytrimethylsiloxymethacrylate Copolymer)" is preferred. Examples of commercially available products include DOWSIL FA 4001 CM Silicone Acrylate (30% by mass - decamethylcyclopentasiloxane solution), DOWSIL FA 4002 ID Silicone Acrylate (40% by mass - isododecane solution), DOWSIL FA 4003 DM SILICONE ACRYLATE (40% by mass - dimethicone solution), DOWSIL FA 4004 ID SILICONE ACRYLATE (40% by mass - isododecane solution), and DOWSIL FA 4103 Silicone Acrylate Emulsion (30% by mass - aqueous solution) (all manufactured by Dow-Toray Industries, Inc.).

[0037] Examples of acrylic-silicone graft copolymers include radical polymers of organopolysiloxane compounds having a radical polymerizable group at one end of the molecular chain and radical polymerizable monomers mainly composed of acrylates and / or methacrylates. Radical polymers of organopolysiloxane compounds having a radically polymerizable group at one end of the molecular chain and radically polymerizable monomers mainly composed of acrylate and / or methacrylate can be used, for example, those described in Japanese Patent Publication No. 2-25411, Japanese Patent Publication No. 2-132141, etc., or acrylic-silicone graft copolymers described in Japanese Patent Publication No. 3-162442, Japanese Patent Publication No. 2003-104825, etc.

[0038] As the acrylic-silicone graft copolymer, the INCI name "(Acrylates / Dimethicone) Copolymer" is preferred. Commercially available products include KP-545 (30% by mass decamethylcyclopentasiloxane solution), KP-549 (40% by mass methyltrimethicone solution), and KP-550 (40% by mass isododecane solution) (all manufactured by Shin-Etsu Chemical Co., Ltd.).

[0039] Examples of graft-type copolymers or alternating block-type copolymers, in which structural units consisting of polysiloxane groups and polymers of unsaturated monomers are linked via sulfide bonds, include the graft-type copolymer or alternating block-type copolymer described in Japanese Patent Application Publication No. 6-92825.

[0040] In particular, from the viewpoint of improving film-forming properties and the persistence of the treatment effect on keratin substances or fibers for headwear products, one or more selected from the group consisting of acrylic polymers and acrylic-silicone graft copolymers having a carbosiloxane dendrimer structure in the side chain is preferred for component (A2-1), one or more selected from the group consisting of (acrylates / polytrimethylsiloxy methacrylate) copolymer and (acrylates / dimethicone) copolymer is more preferred, and (acrylates / dimethicone) copolymer is even more preferred.

[0041] [Silicone-modified alicyclic structure-containing polymer (A2-2)] Examples of silicone-modified alicyclic structure-containing polymers include silicone-modified cyclic polyolefins, with silicone-modified polynorbornene represented by the following general formula (A2-2-1) being a preferred example. [ka] (In the formula, R 2 Each of these is an alkyl group having between 1 and 12 carbon atoms, and X is a group represented by the following formula (i). a1 is an integer between 1 and 3. b1 and c1 are the number of repeating units, each an integer of 1 or more. [ka] (In the formula, R 3 Each of these is an independent hydrocarbon group having between 1 and 12 carbon atoms, and d1 is an integer between 1 and 5. In the general formula (A2-2-1), R 2 The group is preferably a methyl group, ethyl group, n-propyl group, butyl group, or pentyl group, with a methyl group being more preferred. X is a group represented by formula (i) above, where R 3 Each of these is independently a hydrocarbon group having between 1 and 12 carbon atoms. 3 X is preferably an alkyl group or phenyl group having 1 to 12 carbon atoms, more preferably an alkyl group having 1 to 3 carbon atoms, and even more preferably a methyl group. d1 is an integer between 1 and 5, and from the viewpoint of versatility, d1=1 is preferred. That is, X is preferably a trimethylsiloxy group. a1 is an integer between 1 and 3, and may be a polymer in which repeating units of a1=2 and a1=3 are mixed. From the viewpoint of versatility, a1 is preferably 3. The ratio of b1 to c1 in the above general formula (A2-2-1) is preferably b1 / c1 = 20 / 80 to 90 / 10 (mol / mol), more preferably 30 / 70 to 80 / 20 (mol / mol), and even more preferably 50 / 50 to 70 / 30 (mol / mol). The ratio of b1 to c1 is,1 This can be determined by 1H-NMR measurement.

[0042] As the silicone-modified polynorbornene, the silicone-modified polynorbornene represented by the following formula (A2-2-2) is more preferred. [ka] (In the formula, b1 and c1 are the same as above.)

[0043] Examples of silicone-modified polynorbornene represented by formula (A2-2-2) include compounds denoted by the INCI name "(norbornene / tris(trimethylsiloxy)silylnorbornene) copolymer (NORBORNENE / TRIS(TRIMETHYLSILOXY)SILYLNORBORNENE COPOLYMER)". Examples of commercially available silicone-modified polynorbornene include NBN-30-ID (an isododecane solution of norbornene / tris(trimethylsiloxy)silylnorbornene) copolymer) (Shin-Etsu Chemical Co., Ltd.).

[0044] [Silicone-modified pullulan (A2-3)] Examples of silicone-modified pullulans include pullulans having a silicone structure in their side chains. Specifically, silicone-modified pullulans in which at least some of the hydrogen atoms of the OH groups in the pullulan are replaced with a group represented by the following general formula (ii) are preferred. [ka] In the formula, R 4 R is a single bond or a divalent organic group. 2 X and a1 are the same as described above, and from the viewpoint of versatility, X is preferably a trimethylsiloxy group and a1 is preferably 3.

[0045] In general formula (ii), R 4It is preferably a divalent organic group, more preferably a divalent group represented by the following general formula (iii) or (iv), and more preferably a divalent group represented by the following general formula (iv). [ka] In the formula, R 5 The alkylene group has 1 to 10 carbon atoms, and examples include the methylene group, ethylene group, trimethylene group, propylene group, and butylene group. Among these, the ethylene group, trimethylene group, and propylene group are preferred, and the trimethylene group or propylene group are more preferred.

[0046] Examples of commercially available silicone-modified pullulans include TSPL-30-ID (isododecane solution of tri(trimethylsiloxy)silylpropylcarbamate pullulan) and TSPL-30-D5 (cyclopentasiloxane solution of tri(trimethylsiloxy)silylpropylcarbamate pullulan) (both manufactured by Shin-Etsu Chemical Co., Ltd.).

[0047] [Polyurea / Urethane Silicone (A2-4)] Examples of polyurea / urethane silicone components (A2-4) include polysiloxane / polyurea / polyurethane block polymers. For example, dimethylpolysiloxane / urea copolymer, whose INCI name is "polyurea dimethicone," is one such example. The polymer can be obtained by copolymerization of α,ω-aminosilicone and diisocyanate. Examples of commercially available polyurea / urethane silicones include Wacker-Belsil UD 60, Wacker-Belsil UD 80, Wacker-Belsil UD 140, and Wacker-Belsil UD 200 (all manufactured by Wacker).

[0048] Component (A) can be one or more types. Among the above, from the viewpoint of improving film-forming properties and the durability of the treatment effect on keratin substances or fibers for headwear products, it is preferable that component (A) includes one or more selected from the group consisting of component (A1), component (A2-1), and component (A2-2), more preferably includes one or more selected from the group consisting of component (A1) and component (A2-1), even more preferably includes one or more selected from the group consisting of component (A1-2) and component (A2-1), and even more preferably includes component (A1-2). Furthermore, component (A) may contain both component (A1) and component (A2). In this case, component (A) preferably contains component (A1) and one or more selected from the group consisting of component (A2-1) and component (A2-2), and more preferably contains component (A1-2) and component (A2-1). When component (A) contains both component (A1) and component (A2), the content of component (A1) relative to the total content of component (A1) and component (A2) is preferably 0.50 or more, more preferably 0.60 or more, as a mass ratio [(A1) / {(A1)+(A2)}] from the viewpoint of film formation, and preferably 0.90 or less, more preferably 0.85 or less, and even more preferably 0.80 or less, from the viewpoint of improving the persistence of the treatment effect on keratin substances or fibers for headwear products. Furthermore, the content of component (A1) relative to the total content of component (A1) and component (A2) is preferably 0.50 or more and 0.90 or less, more preferably 0.50 or more and 0.85 or less, and even more preferably 0.60 or more and 0.80 or less, as a mass ratio [(A1) / {(A1)+(A2)}].

[0049] More specifically, from the viewpoint of improving film-forming properties and the persistence of the treatment effect on keratin substances or fibers for headwear products, component (A) preferably contains one or more selected from the group consisting of trimethylsiloxysilicate, phenylpropyldimethylsiloxysilicate, trifluoropropyldimethyltrimethylsiloxysilicate, (trimethylsiloxysilicate / dimethiconol) crosspolymer, polymethylsilsesquioxane, polypropylsilsesquioxane, (acrylates / polytrimethylsiloxy methacrylate) copolymer, (acrylates / dimethicone) copolymer, and (norbornene / tris(trimethylsiloxy)silylnorbornene) copolymer. It is more preferable to include one or more selected from the group consisting of acids, phenylpropyldimethylsiloxysilicate, trifluoropropyldimethyltrimethylsiloxysilicate, (trimethylsiloxysilicate / dimethiconol) crosspolymer, polymethylsilsesquioxane, polypropylsilsesquioxane, (acrylates / polytrimethylsiloxymethacrylate) copolymer and (acrylates / dimethicone) copolymer, it is even more preferable to include one or more selected from the group consisting of trimethylsiloxysilicate and (acrylates / dimethicone) copolymer, it is even more preferable to include trimethylsiloxysilicate, and it is even more preferable to be trimethylsiloxysilicate.

[0050] (Component (B): Organopolysiloxane other than component (A) that has a cationic group) The first agent further contains an organopolysiloxane other than component (A) as component (B), which has a cationic group, in order to enhance the persistence of the treatment effect on keratin material or fibers for headwear products and to improve the feel. Since component (B) has a cationic group, it is thought that it can improve the feel of the keratin material or fibers for headwear products after treatment with the first agent. In addition, since component (B) has high adsorption to keratin material or fibers for headwear products, it is thought that it will be unevenly distributed on the side of the keratin material or fibers for headwear products in the formed film, firmly adhering the film to its surface and enhancing the effect of preventing the film from peeling off.

[0051] The cationic group of component (B) refers to a cationic group or a group that can be ionized to become a cationic group. Specifically, this includes primary amino groups, secondary amino groups, tertiary amino groups, and quaternary ammonium groups. From the viewpoint of adsorption to keratin material or the surface of fibers for headwear products, it is preferable that it be one or more selected from the group consisting of primary amino groups, secondary amino groups, and tertiary amino groups.

[0052] As for component (B), from the viewpoint of enhancing the persistence of the treatment effect on keratin substances or fibers for headwear products and improving the feel, it is preferable to select one or more from the group consisting of amino-modified silicone (B1) and amino-polyether-modified silicone (B2).

[0053] [Ingredient (B1): Amino-modified silicone] In the present invention, amino-modified silicone (B1) is a silicone other than component (A) that has an amino group and does not have a polyether moiety, and is preferably a silicone represented by the following general formula (1). [ka] (In the formula, R 11 Each of these independently represents a hydrocarbon group having 1 to 6 carbon atoms, and R 12 Each of these independently represents a hydroxyl group, an alkoxy group having 1 to 6 carbon atoms, or a hydrocarbon group having 1 to 22 carbon atoms. 17 n indicates a primary to tertiary amino group-containing group. B1 n is a number greater than or equal to 0. B2 n is a number greater than or equal to 1. B1 +n B2 n indicates the degree of polymerization. B2 Individual R 17 They may be the same or different.

[0054] In general formula (1), R 11The hydrocarbon group in [the compound] may be either an aliphatic group or an aromatic group, and examples thereof include an alkyl group, an alkenyl group, a phenyl group, etc. The alkyl group and the alkenyl group may be either linear or branched. Among these, R 11 is preferably an alkyl group having 1 to 6 carbon atoms or a phenyl group, more preferably an alkyl group having 1 to 3 carbon atoms or a phenyl group, still more preferably a methyl group or a phenyl group, and even more preferably a methyl group.

[0055] In the general formula (1), each R 12 independently represents a hydroxy group, an alkoxy group having 1 to 6 carbon atoms, or a hydrocarbon group having 1 to 22 carbon atoms. R 12 Examples of the alkoxy group in [the compound] include a methoxy group, an ethoxy group, a propoxy group, a butoxy group, etc. R 12 The hydrocarbon group in [the compound] is preferably an alkyl group having 1 to 22 carbon atoms or a phenyl group, more preferably an alkyl group having 1 to 18 carbon atoms or a phenyl group. R 12 From the viewpoint of enhancing the durability of the treatment effect on keratin substances or fibers for headgear products and improving the feel, [the compound] is preferably a hydroxy group, an alkyl group having 1 to 22 carbon atoms, or a phenyl group, more preferably an alkyl group having 1 to 20 carbon atoms, still more preferably a methyl group, an ethyl group, a propyl group, a butyl group, a hexyl group, an octyl group, a decyl group, a dodecyl group, a cetyl group, a hexadecyl group, a stearyl group, or an eicosanyl group, and even more preferably a methyl group, a cetyl group, a stearyl group, or an eicosanyl group.

[0056] In the general formula (1), R 17 represents a primary to tertiary amino group-containing group. R 17 The primary to tertiary amino group-containing group in [the compound] is -N(R 18 )2, -NR 18 (CH2) q N(R 18 )2, or -NR18 (CH2) q N(R 19 )CO-R 20 is preferably a group represented by. Here, R 18 represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 4 carbon atoms, preferably a hydrogen atom, a methyl group or an ethyl group. R 19 represents a monovalent hydrocarbon group having 1 to 4 carbon atoms, preferably a methyl group or an ethyl group. R 20 represents a monovalent hydrocarbon group having 1 to 4 carbon atoms. q represents a number from 2 to 6, preferably a number from 2 to 4. R 17 The preferred amino group-containing group in is -(CH2)3-NH2, -(CH2)3-N(CH3)2, -(CH2)3-NH-(CH2)2-NH2, or -(CH2)2-NH-(CH2)2-N(CH3)2, more preferably -(CH2)3-NH2, or -(CH2)3-NH-(CH2)2-NH2.

[0057] In the general formula (1), n B1 is a number of 0 or more, n B2 is a number of 1 or more. n B1 +n B2 represents the degree of polymerization. From the viewpoint of enhancing the persistence of the treatment effect of the keratin substance or the fiber for the headgear product and improving the feel, n B1 +n B2 is preferably a number of 5 or more.

[0058] Examples of commercially available amino-modified silicones used as the component (B1) include KF-8004, KF-8005S (aminoethylaminopropyldimethylcon), KF-8015 (aminopropyldimethylcon) (manufactured by Shin-Etsu Chemical Co., Ltd.), XF42-B1989 (amodimethicone (aminoethylaminopropylmethylsiloxane·dimethylsiloxane copolymer)), Silsoft AX (bisstearylamodimethicone) (manufactured by Momentive Performance Materials Japan LLC), etc.

[0059] [Ingredient (B2): Aminopolyether-modified silicone] In the present invention, aminopolyether-modified silicone (B2) is a silicone other than component (A) that has an amino group and a polyether moiety. In component (B2), the amino group and polyether moiety may be present in the silicone main chain or in the side chain portion.

[0060] More specifically, component (B2) is more preferably one or more selected from the group consisting of aminopolyether-modified silicone (B2-1) having repeating units represented by the following general formula (2) and aminopolyether-modified silicone (B2-2) having repeating units represented by the following general formula (3). In the following description, the aminopolyether-modified silicone having repeating units represented by general formula (2) (B2-1) is also referred to as "component (B2-1)," and the aminopolyether-modified silicone having repeating units represented by general formula (3) (B2-2) is also referred to as "component (B2-2)."

[0061] ≪Component (B2-1)≫ Component (B2-1) is an aminopolyether-modified silicone having repeating units represented by the following general formula (2). [ka] In formula (2), R 21 R represents a monovalent hydrocarbon group with 1 to 6 carbon atoms. 22 is R 21 or E 1 It indicates one of the following: E 1 ha-R 23 -Z 1 (R 23 This represents a divalent hydrocarbon group with 1 to 6 carbon atoms, and Z 1 ) indicates a primary to tertiary amino group-containing group. ) indicates a monovalent group. 24 R represents a divalent hydrocarbon group having 1 to 6 carbon atoms, 25 This represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 4 carbon atoms. e represents a number between 1 and 50 (inclusive), f represents a number between 1 and 50 (inclusive), g represents a number between 1 and 50 (inclusive), h represents a number greater than or equal to 1, and j represents a number between 2 and 100 (inclusive). p represents a number between 2 and 10 (inclusive). The order of joining the structural units in parentheses is irrelevant, and the joining form can be block-like or random. j OCs p H 2p They may be the same or different. Also, multiple Rs 21 , R 22 , R 24 , R 25 and E 1 They may be the same or different.

[0062] In general formula (2), R 21 R is a monovalent hydrocarbon group having 1 to 6 carbon atoms, preferably an alkyl group or a phenyl group, more preferably a methyl group or an ethyl group, and even more preferably a methyl group. 22 is R 21 or E 1 It indicates one of the following, preferably R 21 That is the case.

[0063] In general formula (2), E 1 ha-R 23 -Z 1 (R 23 This represents a divalent hydrocarbon group with 1 to 6 carbon atoms, and Z 1 ) indicates a primary to tertiary amino group-containing group. ) indicates a monovalent group. 23 The carbon group is preferably a divalent hydrocarbon group having 2 to 4 carbon atoms, and more preferably an ethylene group, trimethylene group, propylene group, or tetramethylene group. Z 1 These are primary to tertiary amino group-containing groups, and -N(R 26 )2, -NR 26 (CH2) q N(R 26 )2, or -NR 26 (CH2) q N(R 27 )CO-R 28 It is preferable that the group is represented by . Here, R 26R represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 4 carbon atoms, preferably a hydrogen atom, a methyl group, or an ethyl group. 27 R represents a monovalent hydrocarbon group having 1 to 4 carbon atoms, preferably a methyl group or an ethyl group. 28 represents a monovalent hydrocarbon group having 1 to 4 carbon atoms. q represents a number between 2 and 6, preferably between 2 and 4.

[0064] In general formula (2), preferred E 1 The group is -(CH2)3-NH2, -(CH2)3-N(CH3)2, -(CH2)3-NH-(CH2)2-NH2, or -(CH2)2-NH-(CH2)2-N(CH3)2, and more preferably -(CH2)3-NH2, or -(CH2)3-NH-(CH2)2-NH2.

[0065] In general formula (2), R 24 This represents a divalent hydrocarbon group having 1 to 6 carbon atoms, preferably a divalent hydrocarbon group having 2 to 4 carbon atoms, and more preferably an ethylene group, trimethylene group, propylene group, or tetramethylene group. R 25 This represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 4 carbon atoms, with methyl or ethyl groups being preferred.

[0066] In general formula (2), e is a number between 1 and 50, f is a number between 1 and 50, g is a number between 1 and 50, h is a number greater than or equal to 1, and j is a number between 2 and 100. p is a number between 2 and 10, preferably between 2 and 6, and more preferably between 2 and 4.

[0067] In particular, component (B2-1) is more preferably represented by the following general formula (2-1). [ka] In formula (2-1), E 1 , R 24 , R 25 e, f, and g are the same as above. 29represents a monovalent hydrocarbon group or trimethylsilyl group having 1 to 4 carbon atoms. k represents a number between 1 and 50, and l represents a number between 0 and 50, preferably between 1 and 50. R 29 The group is preferably a methyl group, an ethyl group, or a trimethylsilyl group, with the trimethylsilyl group being more preferred.

[0068] Component (B2-1) can be used individually or in combination of two or more components. As component (B2-1), commercially available aminopolyether-modified silicones can also be used. For example, ABIL Soft AF10 (aminopolyether-modified silicone represented by general formula (2-1) (methoxyPEG / PPG-7 / 3 aminopropyl dimethicone)) (manufactured by Evonik) is one such example.

[0069] (Component (B2-2)) Component (B2-2) is an aminopolyether-modified silicone having repeating units represented by the following general formula (3). [ka] In formula (3), R 31 R represents a monovalent hydrocarbon group with 1 to 6 carbon atoms. 32 is R 31 or E 2 It indicates one of the following: E 2 ha-R 33 -Z 2 (R 33 This represents a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms, Z 2 indicates a primary to tertiary amino group-containing group. ) indicates a monovalent group. Y indicates a single bond or a divalent group with 1 to 12 carbon atoms. All R 32 R 31 If this is the case, then at least one Y is a divalent group containing an amino group. If all Y are divalent groups that do not contain an amino group, then at least one R 32 is E 2 That is the case. r represents a number greater than or equal to 1, s represents a number greater than or equal to 1, t represents a number between 2 and 100, and u represents a number greater than or equal to 1. p is the same as above, representing a number between 2 and 10. The order of joining the structural units in parentheses is irrelevant, and the joining form can be block-like or random. t C p H 2p O may be the same or different. Also, multiple Rs may be used. 31 , R 32 , E 2 And Y may be the same or different.

[0070] In general formula (3), R 31 Each is a monovalent hydrocarbon group having 1 to 6 carbon atoms, and each is independently preferably an alkyl group having 1 to 6 carbon atoms, or a phenyl group, more preferably a methyl group or an ethyl group, and even more preferably a methyl group.

[0071] In general formula (3), R 32 is R 31 or E 2 It indicates one of the following: E 2 ha-R 33 -Z 2 (R 33 ) represents a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms. ) represents a monovalent group. R 33 It is preferably a divalent hydrocarbon group having 1 to 20 carbon atoms, more preferably an alkylene group having 1 to 20 carbon atoms, even more preferably a linear or branched alkylene group having 1 to 6 carbon atoms, and still more preferably a methylene group, ethylene group, trimethylene group, propylene group, tetramethylene group, or hexamethylene group, and still more preferably a trimethylene group or a propylene group.

[0072] Z 2 These are primary to tertiary amino group-containing groups, and -N(R 34 )2, -NR 34 (CH2) q N(R 34 )2, or -NR 34 (CH2) q N(R35 )CO-R 36 It is preferable that the amino group-containing group is represented by . Here, R 34 and R 35 Each of these independently represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, preferably a hydrogen atom or a methyl group. 36 represents an alkyl group having 1 to 3 carbon atoms. q represents a number between 1 and 6, preferably between 2 and 4.

[0073] In general formula (3), preferred E 2 The group is -(CH2)3-NH2, -(CH2)3-N(CH3)2, -(CH2)3-NH-(CH2)2-NH2, or -(CH2)2-NH-(CH2)2-N(CH3)2, and more preferably -(CH2)3-NH2 or -(CH2)3-NH-(CH2)2-NH2.

[0074] In general formula (3), Y is a single bond or a divalent group having 1 to 12 carbon atoms, and the divalent group having 1 to 12 carbon atoms is a divalent group containing an alkylene group having 1 to 6 carbon atoms, an alkylene oxy group having 1 to 6 carbon atoms, or an amino group, -R 37 -O-CH2-CH(OH)-CH2-N(R 38 )-R 39 A divalent group represented by -O- is preferred. Here, R 37 and R 39 Each of these independently represents an alkylene group having 1 to 6 carbon atoms, preferably an alkylene group having 2 to 4 carbon atoms, and more preferably a propylene group. 38 This represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms.

[0075] In Y of general formula (3), the alkylene group having 1 to 6 carbon atoms and the alkylene oxy group having 1 to 6 carbon atoms are preferably an ethylene group, a propylene group, a trimethylene group, an n-butylene group (tetramethylene group), or an isobutylene group, with the n-butylene group or isobutylene group being more preferred. The isobutylene group referred to here includes -CH(CH3)CH2CH2-, -CH2CH(CH3)CH2-, and -CH2CH2CH(CH3)-.

[0076] In general formula (3), r is a number greater than or equal to 1, s is a number greater than or equal to 1, t is a number between 2 and 100, and u is a number greater than or equal to 1. Preferably, r is a number between 1 and 1000, more preferably between 2 and 200. Preferably, s is a number between 1 and 100, t is a number between 4 and 80, more preferably between 10 and 50, and u is a number between 1 and 300, more preferably between 1 and 150.

[0077] In general formula (3), p represents a number between 2 and 10, preferably between 2 and 6, and more preferably between 2 and 4.

[0078] Component (B2-2) is more preferably one or more selected from the group consisting of aminopolyether-modified silicones having a structure represented by the following general formula (3-1) and aminopolyether-modified silicones having a structure represented by the following general formula (3-2). Even more preferably, it is one or more selected from the group consisting of aminopolyether-modified silicones having a structure represented by the following general formula (3-1) and aminopolyether-modified silicones having a structure represented by the following general formula (3-2), and even more preferably, it is aminopolyether-modified silicone having a structure represented by the following general formula (3-1). [ka] In equation (3-1), r, s, t, and u are the same as described above. [ka] In formula (3-2), R 38 r, s, and u are the same as described above. v represents a number between 0 and 50, preferably between 2 and 50, and w represents a number between 2 and 100. v+w is a number between 2 and 100, preferably between 4 and 80, more preferably between 10 and 50.

[0079] Component (B2-2) can be used individually or in combination of two or more components. As component (B2-2), commercially available amino polyether-modified silicones can also be used. For example, examples of amino polyether-modified silicones having a structure represented by general formula (3-1) include DOWSIL SS-3588 Fluid (80% by mass ethanol solution of (bis-isobutyl PEG-15 / amodimethicone) copolymer), DOWSIL SILSTYLE 104 ((bis-isobutyl PEG-14 / amodimethicone) copolymer), DOWSIL SILSTYLE 201 ((bis-isobutyl PEG-14 / amodimethicone) copolymer), and DOWSIL SILSTYLE 401 ((bis-isobutyl PEG / PPG-20 / 35 / amodimethicone) copolymer) (all manufactured by Dow Toray Industries, Inc.). Furthermore, examples of aminopolyether-modified silicones having a structure represented by general formula (3-2) include Silsoft A+ (PEG-40 / PPG-8 methylaminopropyl / hydroxypropyl dimethicone copolymer) (manufactured by Momentive Performance Materials).

[0080] Component (B) can be one or more of the above. In particular, from the viewpoint of improving the persistence of the treatment effect on keratin material or fibers for headwear products and improving the feel, component (B) is preferably one or more selected from the group consisting of amino-modified silicone represented by general formula (1) and amino polyether-modified silicone (B2-2) having repeating units represented by general formula (3), more preferably one or more selected from the group consisting of amino-modified silicone represented by general formula (1) and amino polyether-modified silicone having a structure represented by general formula (3-1), and even more preferably amino polyether-modified silicone having a structure represented by general formula (3-1). Furthermore, from the viewpoint of ease of removing the film by step (II) and improving the quick-drying properties and feel of the keratin substance or fibers for headwear products after step (II), component (B) preferably comprises one or more selected from the group consisting of biscetearyl amodimethicone and amino polyether-modified silicone (B2), more preferably comprises one or more selected from the group consisting of biscetearyl amodimethicone and amino polyether-modified silicone (B2-2) having repeating units represented by the general formula (3), even more preferably comprises one or more selected from the group consisting of biscetearyl amodimethicone and amino polyether-modified silicone having a structure represented by the general formula (3-1), and even more preferably comprises one or more selected from the group consisting of biscetearyl amodimethicone and amino polyether-modified silicone having a structure represented by the general formula (3-1).

[0081] (Content) The content of component (A) in the first agent is preferably 0.05% by mass or more, more preferably 0.1% by mass or more, even more preferably 0.5% by mass or more, even more preferably 1% by mass or more, even more preferably 2% by mass or more, even more preferably 3% by mass or more, and even more preferably 5% by mass or more, from the viewpoint of improving film formation in step (I) and the persistence of the treatment effect of the keratin substance or the fibers for headwear products, and from the viewpoint of improving the quick-drying properties and feel of the keratin substance or the fibers for headwear products after step (II). Furthermore, the content of component (A) in the first agent is preferably 0.05% by mass or more and 30% by mass or less, more preferably 0.1% by mass or more and 25% by mass or less, even more preferably 0.5% by mass or more and 25% by mass or less, even more preferably 1% by mass or more and 25% by mass or less, even more preferably 2% by mass or more and 25% by mass or less, even more preferably 3% by mass or more and 23% by mass or less, and even more preferably 5% by mass or more and 23% by mass or less.

[0082] The content of component (B) in the first agent is preferably 0.01% by mass or more, more preferably 0.02% by mass or more, even more preferably 0.03% by mass or more, and even more preferably 0.05% by mass or more, from the viewpoint of enhancing the persistence of the treatment effect of the keratin substance or fibers for headwear products by step (I) and improving the feel, and from the viewpoint of the ease of removing the film by step (II) and improving the quick-drying properties and feel of the keratin substance or fibers for headwear products after step (II), it is preferably 30% by mass or less, more preferably 25% by mass or less, even more preferably 20% by mass or less, even more preferably 15% by mass or less, even more preferably 10% by mass or less, even more preferably 5% by mass or less, even more preferably 3% by mass or less, and even more preferably 2% by mass or less. Furthermore, the content of component (B) in the first agent is preferably 0.01% by mass or more and 30% by mass or less, more preferably 0.02% by mass or more and 25% by mass or less, even more preferably 0.03% by mass or more and 20% by mass or less, even more preferably 0.03% by mass or more and 15% by mass or less, even more preferably 0.05% by mass or more and 10% by mass or less, even more preferably 0.05% by mass or more and 5% by mass or less, even more preferably 0.05% by mass or more and 3% by mass or less, and even more preferably 0.05% by mass or more and 2% by mass or less.

[0083] The total content of components (A) and (B) in the first agent is preferably 0.06% by mass or more, more preferably 0.1% by mass or more, even more preferably 0.5% by mass or more, even more preferably 1% by mass or more, even more preferably 2% by mass or more, and even more preferably 5% by mass or more, from the viewpoint of improving film formation in step (I) and the persistence of the treatment effect of keratin material or fibers for headwear products, from the viewpoint of ease of removal of the film in step (II), and even more preferably 0.06% by mass or more, more preferably 0.1% by mass or more, even more preferably 0.5% by mass or more, even more preferably 1% by mass or more, even more preferably 2% by mass or more, and even more preferably 5% by mass or more. Furthermore, from the viewpoint of ease of application to keratin material or fibers for headwear products, it is preferably 50% by mass or less, more preferably 45% by mass or less, even more preferably 40% by mass or less, even more preferably 30% by mass or less, and even more preferably 25% by mass or less. Furthermore, the total content of component (A) and component (B) in the first agent is preferably 0.06% by mass or more and 50% by mass or less, more preferably 0.1% by mass or more and 45% by mass or less, even more preferably 0.5% by mass or more and 40% by mass or less, even more preferably 1% by mass or more and 30% by mass or less, even more preferably 2% by mass or more and 25% by mass or less, and even more preferably 5% by mass or more and 25% by mass or less.

[0084] Furthermore, the ratio of the mass content of component (B) to component (A) in the first agent [(B) / (A)] is preferably 0.005 or more, more preferably 0.010 or more, from the viewpoint of improving film formation in step (I) and the persistence of the treatment effect of keratin material or fibers for headwear products, from the viewpoint of film removal in step (II), and from the viewpoint of improving the quick-drying properties and feel of the keratin material or fibers for headwear products after step (II). Furthermore, from the viewpoint of film removal in step (II) and improving the quick-drying properties and feel of the keratin material or fibers for headwear products after step (II), it is preferably 50 or less, more preferably 30 or less, even more preferably 20 or less, even more preferably 10 or less, even more preferably 5 or less, even more preferably 3 or less, even more preferably 1 or less, and even more preferably 0.8 or less. Furthermore, the ratio of the mass content of component (B) to component (A) in the first agent [(B) / (A)] is preferably 0.005 to 50, more preferably 0.010 to 50, even more preferably 0.010 to 30, even more preferably 0.010 to 20, even more preferably 0.010 to 10, even more preferably 0.010 to 5, even more preferably 0.010 to 3, even more preferably 0.010 to 1, and even more preferably 0.010 to 0.8.

[0085] (Coloring agent) The first agent may further contain a coloring agent depending on the type of keratin substance or fiber for headwear products to be treated and its intended use. When the first agent is a hair dye, the coloring agent may be a pigment or a dye, and from the viewpoint of ease of application and removal, a pigment is preferred. The pigment used in the first agent can be any pigment commonly used in makeup cosmetics, hair dye compositions, etc., such as white inorganic pigments such as titanium dioxide, zinc oxide, cerium oxide, and barium sulfate; colored inorganic pigments such as yellow iron oxide, black iron oxide, iron oxide, carbon black, chromium oxide, chromium hydroxide, Prussian blue, and ultramarine blue; luminous powders such as titanium dioxide-coated mica, titanium dioxide-coated bismuth oxychloride, iron oxide-coated titanium mica, iron oxide mica, Prussian blue-treated titanium mica, carmine-treated titanium mica, bismuth oxychloride, and fish scale foil; Red No. 201, Red No. 202, Red Examples include organic pigments such as Color 205, Red 226, Red 228, Orange 203, Orange 204, Blue 404, and Yellow 401; lake pigments such as zirconium, barium, or aluminum lake, such as Red 3, Red 104, Red 106, Orange 205, Yellow 4, Yellow 5, Green 3, and Blue 1; and composite pigments such as titanium dioxide-coated titanium mica, zinc oxide-coated titanium mica, barium sulfate-coated titanium mica, titanium dioxide-containing silicon dioxide, and zinc oxide-containing silicon dioxide. One or more of these can be used. Furthermore, pigments whose surfaces have been treated with various surface treatment agents may also be used. The surface treatment is not particularly limited, and various surface treatments can be performed in advance, such as fluorine compound treatment, silicone treatment, silicone resin treatment, pendant treatment, silane coupling agent treatment, titanium coupling agent treatment, oil treatment, metal soap treatment, N-acylated lysine treatment, polyethylene glycol treatment, PVA treatment, polyacrylic acid treatment, hyaluronic acid treatment, alginic acid treatment, inorganic compound treatment, plasma treatment, mechanochemical treatment, etc.

[0086] Examples of dyes used in the first agent include direct dyes and oxidation dyes. Examples of direct dyes include acid dyes, nitro dyes, disperse dyes, basic dyes, and direct dyes described in Japanese Patent Publication No. 2003-342139. Examples of acid dyes include Blue No. 1, Violet No. 401, Black No. 401, Orange No. 205, Red No. 227, Red No. 106, Yellow No. 203, and Acid Orange No. 3. Examples of nitro dyes include 2-nitroparaphenylenediamine, 2-amino-6-chloro-4-nitrophenol, 3-nitro-p-hydroxyethylaminophenol, 4-nitroorthophenylenediamine, 4-amino-3-nitrophenol, 4-hydroxypropylamino-3-nitrophenol, HC Blue No. 2, HC Orange No. 1, HC Red No. 1, HC Yellow No. 2, HC Yellow No. 4, HC Yellow No. 5, HC Red No. 3, and N,N-bis-(2-hydroxyethyl)-2-nitroparaphenylenediamine. Examples of disperse dyes include Disperse Violet No. 1, Disperse Blue No. 1, and Disperse Black No. 9. Examples of basic dyes include basic blue 99, basic brown 16, basic brown 17, basic red 76, basic red 51, basic yellow 57, basic yellow 87, and basic orange 31. One or more of these direct dyes can be used.

[0087] Examples of oxidation dyes include dyes composed of a precursor and a coupler. Precursors in oxidative dyes include, for example, paraphenylenediamine, toluene-2,5-diamine, 2-chloro-paraphenylenediamine, N-methoxyethyl-paraphenylenediamine, N,N-bis(2-hydroxyethyl)paraphenylenediamine, 2-(2-hydroxyethyl)paraphenylenediamine, 2,6-dimethylparaphenylenediamine, 4,4'-diaminodiphenylamine, 1,3-bis(N-(2-hydroxyethyl)-N-(4-aminophenyl)amino)-2-propanol, PEG-3,3,2'-paraphenylenediamine, para-aminophenol, para-methylaminophenol, and 3-methyl-4-aminophenol. Examples include one or more selected from the group consisting of 4-aminomethacresol, 2-aminomethyl-4-aminophenol, 2-(2-hydroxyethylaminomethyl)-4-aminophenol, orthoaminophenol, 2-amino-5-methylphenol, 2-amino-6-methylphenol, 2-amino-5-acetamidophenol, 3,4-diaminobenzoic acid, 5-aminosalicylic acid, 2,4,5,6-tetraaminopyrimidine, 2,5,6-triamino-4-hydroxypyrimidine, 4,5-diamino-1-(4'-chlorobenzyl)pyrazole, 1-hydroxyethyl-4,5-diaminopyrazole, and salts thereof.

[0088] Couplers in oxidation dyes include, for example, metaphenylenediamine, 2,4-diaminophenoxyethanol, 2-amino-4-(2-hydroxyethylamino)anisole [=2-amino-4-(β-hydroxyethyl)aminoanisole], 2,4-diamino-5-methylphenethole, 2,4-diamino-5-(2-hydroxyethoxy)toluene, 2,4-dimethoxy-1,3-diaminobenzene, 2,6-bis(2-hydroxyethylamino)toluene, and 2,4-diamino-5-toluene. Olotrenuclein, 1,3-bis(2,4-diaminophenoxy)propane, metaaminophenol, 2-methyl-5-aminophenol [=5-amino-o-cresol], 2-methyl-5-(2-hydroxyethylamino)phenol, 2,4-dichloro-3-aminophenol, 2-chloro-3-amino-6-methylphenol, 2-methyl-4-chloro-5-aminophenol, N-cyclopentyl-methaminophenol, 2-methyl-4-methoxy-5-(2-hydroxyethylamino)pheno 1-Naphthol, 2-methyl-4-fluoro-5-aminophenol, resorcinol, 2-methylresorcinol, 4-chlororesorcinol, 1-naphthol, 1,5-dihydroxynaphthalene, 1,7-dihydroxynaphthalene, 2,7-dihydroxynaphthalene, 2-isopropyl-5-methylphenol, 4-hydroxyindole, 5-hydroxyindole, 6-hydroxyindole, 7-hydroxyindole, 6-hydroxybenzomorpholine, 3,4-methylenedioxyphenol, 2-bromo-4, Examples include one or more selected from the group consisting of 5-methylenedioxyphenol, 3,4-methylenedioxyaniline, 1-(2-hydroxyethyl)amino-3,4-methylenedioxybenzene, 2,6-dihydroxy-3,4-dimethylpyridine, 2,6-dimethoxy-3,5-diaminopyridine, 2,3-diamino-6-methoxypyridine, 2-methylamino-3-amino-6-methoxypyridine, 2-amino-3-hydroxypyridine, 2,6-diaminopyridine, and salts thereof.

[0089] If the first agent contains a coloring agent, the content of the coloring agent in the first agent is preferably 0.01% by mass or more, more preferably 0.05% by mass or more, and even more preferably 0.1% by mass or more, from the viewpoint of imparting the desired coloring properties, and preferably 50% by mass or less, and more preferably 30% by mass or less, from the viewpoint of dispersibility in the first agent, economic efficiency, and maintaining a good feel. Furthermore, the content of the coloring agent in the first agent is preferably 0.01% by mass or more and 50% by mass or less, more preferably 0.05% by mass or more and 30% by mass or less, and even more preferably 0.1% by mass or more and 30% by mass or less.

[0090] (Component (E): Organopolysiloxanes other than components (A) and (B)) From the viewpoint of further improving the persistence of the treatment effect on keratin substances or fibers for headwear products, the first agent may further contain an organopolysiloxane other than components (A) and (B) as component (E). The degree of polymerization of component (E) is preferably 100 or more, more preferably 150 or more, even more preferably 250 or more, even more preferably 300 or more, even more preferably 320 or more, and even more preferably 350 or more, from the viewpoint of further improving the persistence of the treatment effect of keratin material or fibers for headwear products. Furthermore, from the viewpoint of further improving the persistence of the treatment effect of keratin material or fibers for headwear products, and from the viewpoint of availability, it is preferably 4,300 or less, more preferably 4,200 or less, even more preferably 4,000 or less, even more preferably 3,800 or less, even more preferably 3,700 or less, and even more preferably 3,650 or less. Furthermore, the degree of polymerization of component (E) is preferably 100 to 4,300, more preferably 150 to 4,200, even more preferably 250 to 4,200, even more preferably 300 to 4,000, even more preferably 320 to 3,800, even more preferably 320 to 3,700, and even more preferably 350 to 3,650.

[0091] More specifically, component (E) is preferably an organopolysiloxane represented by the following general formula (4). [ka] (In the formula, R 41 Each of these independently represents a hydrocarbon group having 1 to 6 carbon atoms, and R 42 Each of these independently represents a hydroxyl group, an alkoxy group having 1 to 6 carbon atoms, or a hydrocarbon group having 1 to 6 carbon atoms. 43 This represents a hydrocarbon group with 1 to 6 carbon atoms. E n indicates the degree of polymerization and is a number greater than or equal to 100. E Individual R 43 They may be the same or different.

[0092] In general formula (4), R 41 The hydrocarbon group in this compound may be either an aliphatic or aromatic group, such as an alkyl group, an alkenyl group, or a phenyl group. The alkyl group and alkenyl group may be either linear or branched. Among the above, R 41 Preferably, it is an alkyl group or phenyl group having 1 to 6 carbon atoms, more preferably an alkyl group or phenyl group having 1 to 3 carbon atoms, even more preferably a methyl group or a phenyl group, and even more preferably a methyl group.

[0093] In general formula (4), R 42 Each of these independently represents a hydroxyl group, an alkoxy group having 1 to 6 carbon atoms, or a hydrocarbon group having 1 to 6 carbon atoms. R 42 Examples of alkoxy groups in this context include methoxy, ethoxy, propoxy, and butoxy groups. R 42 The hydrocarbon group in R 41 It is the same as, preferably an alkyl group or phenyl group having 1 to 6 carbon atoms, more preferably an alkyl group or phenyl group having 1 to 3 carbon atoms, even more preferably a methyl group or phenyl group, and even more preferably a methyl group. R 42From the viewpoint of further improving the persistence of the treatment effect on keratin substances or fibers for headwear products, the group is preferably a hydroxyl group, an alkyl group having 1 to 6 carbon atoms, or a phenyl group; more preferably a hydroxyl group, an alkyl group having 1 to 3 carbon atoms, or a phenyl group; even more preferably a hydroxyl group, a methyl group, or a phenyl group; and even more preferably a methyl group.

[0094] In general formula (4), R 43 This represents a hydrocarbon group with 1 to 6 carbon atoms. R 43 The hydrocarbon group in R 41 It is the same as, preferably an alkyl group or phenyl group having 1 to 6 carbon atoms, more preferably an alkyl group or phenyl group having 1 to 3 carbon atoms, even more preferably a methyl group or phenyl group, and even more preferably a methyl group.

[0095] In general formula (4), n E n represents the degree of polymerization, and from the viewpoint of further improving the persistence of the treatment effect of keratin material or fibers for headwear products, it is preferably 100 or more, more preferably 150 or more, even more preferably 250 or more, even more preferably 300 or more, even more preferably 320 or more, and even more preferably 350 or more. Also, from the viewpoint of further improving the persistence of the treatment effect of keratin material or fibers for headwear products, and from the viewpoint of availability, it is preferably 4,300 or less, more preferably 4,200 or less, even more preferably 4,000 or less, even more preferably 3,800 or less, even more preferably 3,700 or less, and even more preferably 3,650 or less. And n in general formula (4) E Preferably, it is 100 to 4,300, more preferably 150 to 4,200, even more preferably 250 to 4,200, even more preferably 300 to 4,000, even more preferably 320 to 3,800, even more preferably 320 to 3,700, and even more preferably 350 to 3,650.

[0096] The viscosity of component (E) at 25°C is preferably 120 mm, from the viewpoint of further improving the persistence of the treatment effect on keratin materials or fibers for headwear products. 2 / s or more, more preferably 200mm 2 / s or more, more preferably 500mm 2 / s or more, more preferably 700mm 2 / s or more, more preferably 800mm 2 / s or more, more preferably 1,000 mm 2 It is 100 million mm² or more. Furthermore, from the viewpoint of further improving the durability of the treatment effect of keratin material or fibers for headwear products, and from the viewpoint of availability, it is preferably 100 million mm². 2 / s or less, more preferably 80 million mm 2 / s or less, more preferably 50 million mm 2 / s or less, more preferably 40 million mm 2 / s or less, more preferably 35 million mm 2 / s or less, more preferably 30 million mm 2 / s or less, more preferably 25 million mm 2 It is less than or equal to / s. Furthermore, the viscosity of component (E) at 25°C is preferably 120 mm². 2 / s or more 10,000,000 mm 2 / s or less, more preferably 200mm 2 / s or more 80 million mm 2 / s or less, more preferably 500mm 2 / s or more 80 million mm 2 / s or less, more preferably 700mm 2 / s or more 80 million mm 2 / s or less, more preferably 700mm 2 / s or more 50 million mm 2 / s or less, more preferably 800mm 2 / s or more 40 million mm 2 / s or less, more preferably 800mm 2 / s or more 35 million mm 2 / s or less, more preferably 800mm 2 / s or more 30 million mm2 / s or less, more preferably 1,000 mm 2 / s or more 25 million mm 2 It is less than or equal to / s. The viscosity values ​​above were measured at 25°C in accordance with JIS Z8803:2011 "Method for Measuring the Viscosity of Liquids," and can be measured using an appropriate viscometer from among capillary tube viscometers, falling ball viscometers, rotary viscometers, and vibrating viscometers. Furthermore, if the viscosity exceeds the normal measurement range of the viscometer, it can be determined from a diluted solution of component (E) using the method described below. Prepare a toluene solution of component (E) at a concentration of 1 g / 100 mL, and determine the specific viscosity ηsp (25°C) using the following formula (1). Next, substitute this into Huggins' relation shown in formula (2) to determine the intrinsic viscosity [η]. Furthermore, substitute [η] into A. Kolorlov's formula shown in formula (3) to determine the molecular weight M. Finally, substitute M into A.J. Barry's formula shown in formula (4) to determine the viscosity η of component (B) (see, for example, Shin-Etsu Chemical Co., Ltd., Silicone Oil KF-96 Performance Test Results 4.2). ηsp = (η / η0) - 1 (1) (where η0 is the viscosity of toluene, and η is the viscosity of the solution) ηsp = [η] + K'[η] 2 (2) (However, the K':Huggins constant used is that described in Nakamuta, Nichika, 77588

[1956] .) [η] = 0.215 × 10 -4 M 0.65 (3) logη = 1.00 + 0.0123M 0.5 (4)

[0097] A commercially available dimethylpolysiloxane used as component (E) is KF-96-1,000cs (viscosity 1,000 mm²). 2 / s), KF-96H-10,000 cs (viscosity 10,000 mm 2 / s), KF-96H-100,000 cs (viscosity 100,000 mm 2 / s), KF-96H-300,000 cs (viscosity 300,000 mm 2 / s), KF-96H-500,000 cs (viscosity 500,000 mm2 / s), X-21-5686 (viscosity 3 million mm 2 / s), X-25-9074 (viscosity 30 million mm 2 / s) (above, manufactured by Shin-Etsu Chemical Co., Ltd.), Silsoft B3020 (viscosity 20 million mm 2 / s) (above, manufactured by Momentive Performance Materials Inc.), etc. can be mentioned. As commercially available products of dimethiconol used as component (E), X-21-5613 (20 mass% - low viscosity dimethylpolysiloxane solution), X-21-5666 (30 mass% - cyclopentasiloxane solution), X-21-5847, X-21-5849 (above, manufactured by Shin-Etsu Chemical Co., Ltd.), etc. can be mentioned.

[0098] From the viewpoint of further improving the persistence of the treatment effect on keratin substances or fibers for headgear products, component (E) is preferably at least one selected from the group consisting of dimethylpolysiloxane, methylphenylpolysiloxane, and dimethiconol having a degree of polymerization within the above range, and more preferably dimethylpolysiloxane having a degree of polymerization within the above range.

[0099] When the first agent contains component (E), the content of component (E) in the first agent is preferably 0.1 mass% or more, more preferably 0.3 mass% or more, still more preferably 0.5 mass% or more, even more preferably 1 mass% or more, and preferably 30 mass% or less, more preferably 25 mass% or less, still more preferably 20 mass% or less, even more preferably 15 mass% or less, even more preferably 10 mass% or less, from the viewpoint of further improving the persistence of the treatment effect on keratin substances or fibers for headgear products. And the content of component (E) in the first agent is preferably 0.1 mass% or more and 30 mass% or less, more preferably 0.3 mass% or more and 25 mass% or less, still more preferably 0.5 mass% or more and 20 mass% or less, even more preferably 1 mass% or more and 15 mass% or less, even more preferably 1 mass% or more and 10 mass% or less.

[0100] (Solvent) From the perspective of dissolving or dispersing the component (A), component (B), and other components, and from the perspective of adjusting the viscosity to be easily applicable to keratin substances or fibers for headgear products, it is preferable to further contain a solvent. Examples of the solvent include alcohol solvents, ether solvents, ketone solvents, ester solvents, hydrocarbon solvents, silicone solvents, etc., and they can be appropriately selected according to the dosage form. From the perspective of easy drying after application to keratin substances or fibers for headgear products, it is preferable to contain a volatile solvent. Among the volatile solvents, examples of alcohol solvents include ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, benzyl alcohol, etc.; examples of ether solvents include diethyl ether, tetrahydrofuran, etc.; examples of ketone solvents include acetone, methyl ethyl ketone, etc.; examples of ester solvents include methyl acetate, ethyl acetate, butyl acetate, isobutyl acetate, etc.; examples of hydrocarbon solvents include light fluid isoparaffin (mainly composed of isoparaffin with 8 to 16 carbon atoms), pentane, isopentane, hexane, isohexane, heptane, isoheptane, decane, isodecane, dodecane, isododecane, tridecane, isotridecane, tetradecane, isotetradecane, etc.; examples of silicone solvents include cyclic silicones such as decamethylcyclopentasiloxane, dimethylpolysiloxane with a viscosity of 4 mm 2 / s or less at 25°C, alkyltrimethicones such as methyltrimethicone, etc., and one or more of these can be used. From the perspective of the solubility of the component (A) and component (B), and from the perspective of easy drying after applying the first agent to keratin substances or fibers for headgear products, the solvent preferably includes one or more selected from the group consisting of ethanol, 1-propanol, 2-propanol, dimethylpolysiloxane with a viscosity of 4 mm 2 / s or less at 25°C, methyltrimethicone, pentane, isopentane, hexane, isohexane, heptane, isoheptane, decane, isodecane, dodecane, isododecane, tridecane, isotridecane, tetradecane, isotetradecane, and light fluid isoparaffin.2 It is more preferable to include one or more selected from the group consisting of dimethylpolysiloxane, methyl trimethicone, isodecane, isododecane, isotetradecane, and light liquid isoparaffin with a viscosity of 1 / s or less, and even more preferable to include one or more selected from the group consisting of isodecane, isododecane, isotetradecane, and light liquid isoparaffin.

[0101] If the first agent contains a solvent, the solvent content in the first agent is preferably 40% by mass or more, more preferably 50% by mass or more, even more preferably 60% by mass or more, and also preferably 99.94% by mass or less, and more preferably 98% by mass or less, from the viewpoint of adjusting the viscosity of the first agent to one that is easily applicable to keratin material or fibers for headwear products.

[0102] In addition to the aforementioned components, the first agent may contain components commonly used in cosmetic compositions, such as functional powders other than colorants, oils other than the aforementioned components, antioxidants, fragrances, pigments, dyes, preservatives, thickeners, pH adjusters, blood circulation promoters, cooling agents, antiperspirants, bactericides, skin activators, moisturizers, cooling agents, etc.

[0103] The first agent preferably has a low water content from the viewpoint of improving film formation in step (I) and the persistence of the treatment effect on keratin material or fibers for headwear products, from the viewpoint of ease of removing the film in step (II), and from the viewpoint of improving the quick-drying properties and feel of the keratin material or fibers for headwear products after step (II). The water content is preferably 10% by mass or less, more preferably less than 5% by mass, and even more preferably less than 2% by mass in the first agent.

[0104] The first agent preferably contains a low amount of solid oil from the viewpoint of improving film formation in step (I) and the persistence of the treatment effect on keratin material or fibers for headwear products, from the viewpoint of ease of removing the film in step (II), and from the viewpoint of improving the quick-drying properties and feel of keratin material or fibers for headwear products after step (II). The solid oil is an oil that is solid at 25°C and includes paraffinic waxes such as solid paraffin, polyolefin waxes such as polyethylene wax, and beeswax. Its content in the first agent is preferably less than 50% by mass, more preferably less than 20% by mass, even more preferably less than 10% by mass, even more preferably less than 5% by mass, and even more preferably less than 1% by mass.

[0105] The first agent is preferably low in content of non-volatile liquid oils other than components (B) and (E) from the viewpoint of improving film formation in step (I) and the persistence of the treatment effect on keratin substances or fibers for headwear products, from the viewpoint of ease of removing the film in step (II), and from the viewpoint of improving the quick-drying properties and feel of the keratin substances or fibers for headwear products after step (II).Non-volatile liquid oils are oils that have a boiling point above 260°C at normal pressure and are liquid at 25°C, such as non-volatile hydrocarbon oils such as liquid isoparaffin; non-volatile liquid silicones other than components (B) and (E); glyceryl trioctanoate, glyceryl tri-2-ethylhexanoate (triethylhexanoin), tri(caprylic / capric acid) glyceryl, avocado oil, olive oil, sesame oil, rice bran oil, safflower oil, soybean oil, corn oil, rapeseed oil, castor oil, cottonseed oil, mink oil, etc. Ricerides; fatty acids such as oleic acid and isostearic acid; isopropyl myristate, butyl myristate, isopropyl palmitate, ethyl oleate, ethyl linoleate, isopropyl linoleate, cetyl caprylate, hexyl laurate, decyl myristate, decyl oleate, oleyl oleate, isostearyl laurate, isotridecyl myristate, isocetyl myristate, isostearyl myristate, octyldodecyl myristate, octyl palmitate, palmitate Socetyl, Isostearyl Palmitate, Isodecyl Oleate, Isopropyl Isostearate, Cetyl 2-Ethylhexanoate, Stearyl 2-Ethylhexanoate, Propylene Glycol Dicaprate, Propylene Glycol Dioleate, Isononyl Isononanoate, Diisopropyl Sebacate, Propylene Glycol Isostearate, Ethylhexyl Paramethoxycinnamate, Ethoxyethyl Paramethoxycinnamate, Isopropyl Paramethoxycinnamate / Diisopropyl Cinnamate Examples of mixtures include ester oils such as methylbis(trimethylsiloxy)silylisopentyl trimethoxycinnamate, amyl paradimethylaminobenzoate, 2-ethylhexyl paradimethylaminobenzoate, ethylene glycol salicylate, 2-ethylhexyl salicylate, benzyl salicylate, homomenthyl salicylate, octocrylene, and dimethyldiethylbenzalmalonate; and branched or unsaturated higher alcohols such as 2-octyldodecanol, isostearyl alcohol, and oleyl alcohol. The content of these is preferably less than 50% by mass, more preferably less than 40% by mass, even more preferably less than 30% by mass, even more preferably less than 20% by mass, and even more preferably less than 10% by mass in the first agent.

[0106] The first agent is preferably low in content of volatile cyclic silicones such as decamethylcyclopentasiloxane, from the viewpoint of drying speed after application. This is because volatile cyclic silicones have a slower evaporation time than other volatile oils, and tend to increase the drying time after application to keratin materials or fibers for headwear products. The content of volatile cyclic silicones in the first agent is preferably less than 5% by mass, more preferably less than 2% by mass, even more preferably less than 1% by mass, even more preferably less than 0.5% by mass, even more preferably less than 0.1% by mass, and even more preferably 0% by mass.

[0107] The first agent preferably has a low polyhydric alcohol content from the viewpoint of improving film formation in step (I) and the persistence of the treatment effect on keratin material or fibers for headwear products, from the viewpoint of ease of film removal in step (II), and from the viewpoint of improving the quick-drying properties and feel of keratin material or fibers for headwear products after step (II). Examples of such polyhydric alcohols include polyhydric alcohols having a boiling point of more than 260°C at atmospheric pressure, such as propylene glycol and glycerin. The content of such polyhydric alcohol in the first agent is preferably less than 5% by mass, more preferably less than 2% by mass, even more preferably less than 1% by mass, even more preferably less than 0.5% by mass, and even more preferably less than 0.1% by mass.

[0108] The method for manufacturing the first component is not particularly limited and can be manufactured according to conventional methods.

[0109] (Dosage form, etc.) The dosage form of the first agent is not particularly limited and can be in the form of a liquid, paste, cream, gel, foam, spray, wax, etc., depending on the product form. Furthermore, the first agent is preferably a non-aqueous composition from the viewpoint of improving film-forming properties in step (I) and the persistence of the treatment effect of the keratin substance or fibers for headwear products, from the viewpoint of ease of removing the film in step (II), and from the viewpoint of improving the quick-drying properties and feel of the keratin substance or fibers for headwear products after step (II). Here, a non-aqueous composition means a composition in which the water content is less than 1% by mass, preferably less than 0.5% by mass, and more preferably less than 0.1% by mass.

[0110] The dosage form of the first agent may be an aerosol. An example of an aerosol formulation containing the first agent is a formulation in which the first agent, which is an aerosol concentrate, and a propellant are filled into an aerosol container. The composition of the first agent as an aerosol concentrate and its preferred range are the same as described above.

[0111] Examples of propellants used in aerosol formulations include ethane, propane, n-butane, isobutane, isopentane, and mixtures thereof, such as liquefied petroleum gas (LPG); ethers such as dimethyl ether; compressed gases such as nitrogen and carbon dioxide; and one or more of these can be used. In aerosol formulations, the ratio of the first component, which is the aerosol concentrate, to the propellant varies depending on the type of propellant. However, from the viewpoint of aerosol performance, the mass ratio of the first component to the propellant is preferably in the range of 1:0.01 to 1:10, and more preferably in the range of 1:0.05 to 1:7.5. When the propellant is LPG, the mass ratio of the first agent to LPG is more preferably 1:0.5 to 1:5; when the propellant is dimethyl ether, the mass ratio of the first agent to dimethyl ether is more preferably 1:0.1 to 1:5; and when the propellant is carbon dioxide, the mass ratio of the first agent to carbon dioxide is more preferably 1:0.1 to 1:0.5.

[0112] Examples of aerosol containers used for aerosol formulations include known pressure-resistant containers made of metal, plastic, etc., and double-walled containers in which an inner bag is housed inside a pressure-resistant container. In double-walled containers, it is preferable to fill the inner bag with the aerosol concentrate and fill the space between the pressure-resistant container and the inner bag with the propellant.

[0113] The first agent is preferably a cosmetic composition, such as a skin cosmetic composition, a cosmetic composition for eyebrows or eyelashes, a hair cosmetic composition, or a nail cosmetic composition. The hair cosmetic composition can also be applied to fibers for headwear products. Examples of skin cosmetic compositions include various types of skin cosmetic compositions, such as those for makeup, makeup base, skincare, and sunscreen. Examples of cosmetic compositions for eyebrows or eyelashes include mascara, mascara primer, mascara topcoat, and eyebrow mascara. Examples of hair cosmetic compositions include conditioning agent compositions, treatment agent compositions (including leave-in types), styling agent compositions, hair dye compositions, and hair growth agent compositions. Examples of nail cosmetic compositions include various types of nail cosmetic compositions such as nail polish, nail base coat, and nail top coat. Among the above, from the viewpoint of forming a film, the first agent is preferably a hair cosmetic composition, more preferably a conditioning agent composition, a treatment agent composition, a styling agent composition, or a hair dye composition, and even more preferably a hair dye composition.

[0114] Furthermore, from the viewpoint of forming a film, the first agent is preferably a so-called leave-on formulation that is applied to keratin material or fibers for headwear products by coating or other means and used without washing.

[0115] (Method of application of the first agent) When applying the first agent in step (I), the keratin substance or the fiber for the headdress product may be in either a dry state or a wet state. However, from the viewpoint of obtaining the effects of the present invention, it is preferable to apply the first agent to the keratin substance or the fiber for the headdress product in a dry state. The application method of the first agent can be appropriately selected according to the dosage form of the first agent and the like, and examples thereof include coating, casting, spraying, and the like. From the viewpoint of uniform coating property, it is preferable to temporarily dissolve or disperse the first agent before applying it to the keratin substance or the fiber for the headdress product and then apply it to the surface of the keratin substance or the fiber for the headdress product. As the means for temporarily dissolving or dispersing, thermodynamic means such as heating, physical means such as mechanically applying shear stress, or chemical means such as adding a compatible solvent can be arbitrarily used. From the viewpoint of user convenience, it is preferably uniformly dissolved or dispersed by physical means such as stirring or shaking.

[0116] In step (I), the application amount of the first agent to the keratin substance or the fiber for the headdress product is not particularly limited. However, when applying it to the skin or nails, it is usually in the range of 0.1 mg or more and 1000 mg or less per 1 cm 2 of the skin or nails. When applying it to the eyebrows, eyelashes, hair or the fiber for the headdress product, it is usually in the range of 0.005 g or more and 1 g or less per 1 g of the eyebrows, eyelashes, hair or the fiber for the headdress product.

[0117] (Drying step) In step (I), from the viewpoint of forming a film by applying the first agent to the keratin substance or the fiber for the headdress product, it is preferable to include a step of drying after applying the first agent. Also, from the viewpoint of maintaining the treatment effect, it is preferable not to wash away the first agent after drying. The drying time at this time is not particularly limited as long as the film is substantially formed on the surface of the keratin substance or the fiber for the headdress product after applying the first agent, and it is appropriately adjusted according to the application amount and the area of the application site. However, it is preferably 4 minutes or less, more preferably 2 minutes or less.

[0118] The drying method after applying the first agent to keratin material or fibers for headwear products may be natural drying. When the object to which the present invention is applied is hair or fibers for headwear products, from the viewpoint of quickly forming a film, the first agent may be applied to the hair and then dried using a device such as a hood, hair dryer, or straightener. When using the aforementioned device, it is preferable to dry the hair or hair accessory fibers at a temperature of 40°C to 220°C to minimize heat damage. More preferably, drying is done using a hood or hair dryer, with a drying temperature of preferably 40°C to 110°C, and more preferably 50°C to 90°C. The drying time by the device is not particularly limited as long as the film is substantially formed on the surface of the hair or hair accessory fibers, and can be adjusted as appropriate depending on the quantity and quality of the hair or hair accessory fibers, but can be in the range of, for example, 10 seconds to 120 minutes. After drying, you may brush the hair or hair accessory fibers to separate them.

[0119] The keratin material or fibers for headwear products treated in step (I) using the above method exhibits high durability of the treatment effect and a good feel after treatment.

[0120] <Process (II)> Step (II) is a step in which the second agent is applied to the keratin material or fiber for headwear products that has formed a film in step (I) to remove the film, and the second agent contains component (C): an oil. The components contained in the second agent used in step (II) will be described below.

[0121] (Ingredients (C): Oils) The second agent contains an oil as component (C). The inclusion of component (C) in the second agent allows for easy removal of the film formed using the first agent in step (I). Furthermore, the quick-drying properties and feel of the keratin material or fibers for headwear products after the film removal are also improved.

[0122] The component (C) used in the second agent is preferably a liquid oil at 25°C, from the viewpoint of ease of application to keratin material or fibers for headwear products. From the viewpoint of ease of removal of the film in step (II), and improvement of the quick-drying properties and feel of the keratin material or fibers for headwear products after step (II), the viscosity of component (C) at 25°C is preferably 300 mPa·s or less, more preferably 200 mPa·s or less, even more preferably 180 mPa·s or less, even more preferably 100 mPa·s or less, even more preferably 50 mPa·s or less, and even more preferably 40 mPa·s or less. Furthermore, from the viewpoint of improving the applicability to keratin material or fibers for headwear products, it is preferably 1 mPa·s or more. The viscosity of component (C) at 25°C can be measured using a rotational viscometer, specifically by the method described in the examples.

[0123] Component (C) can be either a volatile oil or a non-volatile oil. Examples of volatile oils include the volatile solvents exemplified in the first agent. For example, hydrocarbon solvents such as light liquid isoparaffins (mainly composed of isoparaffins with 8 to 16 carbon atoms), pentane, isopentane, hexane, isohexane, heptane, isoheptane, decane, isodecane, dodecane, isododecane, tridecane, isotridecane, tetradecane, and isotetradecane; cyclic silicones such as decamethylcyclopentasiloxane, with a viscosity of 4 mm at 25°C. 2 Examples of solvents that can be used include: silicone-based solvents such as alkyl trimethicones like dimethylpolysiloxane and methyl trimethicone with a solvent content of 0.50 or less; ester-based solvents such as methyl acetate, ethyl acetate, butyl acetate, and isobutyl acetate; alcohol-based solvents such as ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, and benzyl alcohol; ether-based solvents such as diethyl ether and tetrahydrofuran; and ketone-based solvents such as acetone and methyl ethyl ketone. One or more of these can be used. Among the above, from the viewpoint of ease of removal of the film by process (II) and improvement of the quick-drying properties and feel of the keratin substance or fibers for headwear products after process (II), one or more selected from the group consisting of hydrocarbon solvents and silicone solvents are preferred, and light liquid isoparaffin, isododecane, and a viscosity of 4 mm at 25°C. 2 One or more selected from the group consisting of dimethylpolysiloxanes with a duration of / s or less is more preferable.

[0124] Examples of non-volatile oil agents include the non-volatile liquid oil agents exemplified in the first agent. For example, non-volatile hydrocarbon oils such as liquid isoparaffin; with a viscosity of 5 mm at 25°C. 2 / s or more 50mm 2Non-volatile liquid silicones other than components (B) and (E), such as dimethylpolysiloxane with a se-saturation ratio of / s; Triglycerides such as glyceryl trioctanoate, glyceryl tri-2-ethylhexanoate (triethylhexanoin), glyceryl tri(caprylic / capric acid), avocado oil, olive oil, sesame oil, rice bran oil, safflower oil, soybean oil, corn oil, rapeseed oil, castor oil, cottonseed oil, mink oil; Fatty acids such as oleic acid and isostearic acid; Isopropyl myristate, butyl myristate Isopropyl palmitate, ethyl oleate, ethyl linoleate, isopropyl linoleate, cetyl caprylate, hexyl laurate, decyl myristate, decyl oleate, oleyl oleate, isostearyl laurate, isotridecyl myristate, isocetyl myristate, isostearyl myristate, octyldodecyl myristate, octyl palmitate, isocetyl palmitate, isostearyl palmitate, isodecyl oleate, isostearate Examples of ester oils include propyl, cetyl 2-ethylhexanoate, stearyl 2-ethylhexanoate, propylene glycol dicaprate, propylene glycol dioleate, isononyl isononanoate, diisopropyl sebacate, propylene glycol isostearate, 2-ethylhexyl paramethoxycinnamate, 2-ethoxyethyl paramethoxycinnamate, isopropyl paramethoxycinnamate / diisopropyl cinnamic acid ester mixture, methylbis(trimethylsiloxy)silylisopentyl trimethoxycinnamate, amyl paradimethylaminobenzoate, 2-ethylhexyl paradimethylaminobenzoate, ethylene glycol salicylate, 2-ethylhexyl salicylate, benzyl salicylate, homomentyl salicylate, octocrylene, dimethyldiethylbenzalmalonate, and other ester oils; branched or unsaturated higher alcohols such as 2-octyldodecanol, isostearyl alcohol, and oleyl alcohol; and one or more of these can be used. Among the above, from the viewpoint of ease of removing the film in step (II) and the quick-drying properties and improved feel of the keratin material or fibers for headwear products after step (II), one or more selected from the group consisting of non-volatile hydrocarbon oils, non-volatile liquid silicones, triglycerides, and ester oils is preferred, and one or more selected from the group consisting of non-volatile hydrocarbon oils, non-volatile liquid silicones, and triglycerides is more preferred, and liquid isoparaffin with a viscosity of 5 mm at 25°C 2 / s or more 50mm 2 One or more selected from the group consisting of dimethylpolysiloxanes with a seismic intensity of / s or less and triethylhexanoin are more preferable.

[0125] From the viewpoint of ease of removing the film in step (II), and from the viewpoint of improving the quick-drying properties and feel of the keratin material or fibers for headwear products after step (II), component (C) is more preferably a light liquid isoparaffin, isododecane, with a viscosity of 50 mm at 25°C. 2 One or more selected from the group consisting of dimethylpolysiloxane, liquid isoparaffin, and triethylhexanoin with a viscosity of 50 mmHg or less at 25°C, more preferably light liquid isoparaffin, isododecane, and a viscosity of 50 mmHg or less at 25°C. 2 It is one or more substances selected from the group consisting of dimethylpolysiloxanes with a seismic intensity of / s or less, and triethylhexanoin.

[0126] (Ingredient (D): Surfactant) From the viewpoint of further improving the removal of the film by step (II), it is preferable that the second agent further contains a surfactant as component (D). Examples of such surfactants include cationic surfactants, anionic surfactants, amphoteric surfactants, and nonionic surfactants, and one or more of these can be used.

[0127] ≪Cationic surfactants≫ Cationic surfactants include one or more selected from the group consisting of (i) alkyltrimethylammonium salts, (ii) alkoxyalkyltrimethylammonium salts, (iii) dialkyldimethylammonium salts, (iv) alkylamidealkyltrimethylammonium salts, (v) alkyldimethylamine and its salts, (vi) alkoxyalkyldimethylamine and its salts, and (vii) alkylamidealkyldimethylamine and its salts.

[0128] Anionic surfactants Anionic surfactants include one or more selected from the group consisting of alkylbenzene sulfonates, alkyl or alkenyl ether sulfates, alkyl or alkenyl sulfates, polyoxyethylene alkyl ether sulfates, alkyl sulfonates, α-olefin sulfonates, saturated or unsaturated fatty acid salts, alkyl or alkenyl ether carboxylates, α-sulfo fatty acid salts, N-acyl amino acids, phosphate mono or diesters, and sulfosuccinate esters. Examples of counterions for the anionic group in anionic surfactants include alkali metal ions such as sodium ions and potassium ions; alkaline earth metal ions such as calcium ions and magnesium ions; ammonium ions; and alkanolammonium (e.g., monoethanolammonium, diethanolammonium, triethanolammonium, triisopropanolammonium, etc.) which have 1 to 3 alkanol groups with 2 or 3 carbon atoms. Among the above, one or more anionic surfactants selected from the group consisting of alkyl sulfates, alkyl ether sulfates, and alkyl ether carboxylates are preferred, with alkyl ether sulfates being more preferred. Examples of alkyl ether sulfates include polyoxyethylene alkyl ether sulfates such as sodium laureth sulfate and ammonium laureth sulfate, and examples of alkyl ether carboxylates include polyoxyethylene alkyl ether acetates such as sodium laureth acetate.

[0129] <<Amphoteric surfactants>> Examples of amphoteric surfactants include betaine-type surfactants, amine oxide-type surfactants, and amino acid-type surfactants. Among these, betaine-type surfactants are preferred.

[0130] Examples of betaine-type surfactants include carboxybetaine types such as alkyldimethylaminoacetic acid betaine and fatty acid amidopropyl betaine; sulfobetaine types such as alkyl sulfobetaine and alkyl hydroxysulfobetaine; imidazoline-based betaine types; and phosphobetaine types.

[0131] Examples of alkyldimethylaminoacetic acid betaines include those having an alkyl group with 8 to 22 carbon atoms, more preferably 10 to 20 carbon atoms, and specific examples include lauryldimethylaminoacetic acid betaine and stearyldimethylaminoacetic acid betaine. Fatty acid amidopropyl betaines preferably have acyl groups with 8 to 18 carbon atoms, more preferably 10 to 16 carbon atoms. Specific examples include lauric acid amidopropyl betaine (lauramidopropyl betaine), palm kernel oil fatty acid amidopropyl betaine, and coconut oil fatty acid amidopropyl betaine (cocamidopropyl betaine).

[0132] Examples of alkyl sulfobetaines include alkyl sulfobetaines having an alkyl group with 8 to 22 carbon atoms, more preferably 10 to 18 carbon atoms. Specific examples of alkyl sulfobetaines include lauryl dimethyl sulfoethyl betaine, lauryl dimethyl sulfopropyl betaine, myristyl dimethyl sulfoethyl betaine, myristyl dimethyl sulfopropyl betaine, stearyl dimethyl sulfoethyl betaine, stearyl dimethyl sulfopropyl betaine, and coconut oil fatty acid dimethyl sulfopropyl betaine.

[0133] Examples of alkylhydroxysulfobetaines include alkyl groups having 8 to 22 carbon atoms, more preferably 10 to 18 carbon atoms, and alkylhydroxysulfobetaines having at least one hydroxyl group. Specific examples of alkylhydroxysulfobetaines include lauryldimethylsulfo(hydroxyethyl)betaine, lauryldimethylsulfo(hydroxypropyl)betaine [laurylhydroxysulfobetaine], myristyldimethylsulfo(hydroxyethyl)betaine, myristyldimethylsulfo(hydroxypropyl)betaine, stearyldimethylsulfo(hydroxypropyl)betaine, bis-(2-hydroxy-ethyl)sulfoethylbetaine, and laurylbis-(2-hydroxy-ethyl)sulfopropylbetaine. Among these, lauryldimethylsulfo(hydroxypropyl)betaine [laurylhydroxysulfobetaine], represented by the following formula, is preferred. [ka]

[0134] Examples of imidazoline-based betaine types include 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, with sodium cocoamphoacetate being a specific example. Examples of phosphobetaine types include laurylhydroxyphosphobetaine.

[0135] Among the above, the amphoteric surfactant is more preferably one or more selected from the group consisting of carboxybetaine type, sulfobetaine type and imidazoline betaine type, even more preferably one or more selected from the group consisting of alkyldimethylaminoacetic acid betaine, fatty acid amidopropyl betaine, alkyl sulfobetaine, alkyl hydroxysulfobetaine and 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, even more preferably alkyl hydroxysulfobetaine, and even more preferably lauryldimethylsulfo(hydroxypropyl)betaine [lauryl hydroxysulfobetaine].

[0136] Nonionic surfactants Examples of nonionic surfactants include polyoxyethylene alkyl ethers, polyoxyethylene alkenyl ethers, sucrose fatty acid esters, polyoxyethylene fatty acid esters, polyglyceryl alkyl ethers, fatty acid polyglyceryls, alkyl glucosides, polyoxyethylene alkylamines, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and polyoxyethylene hydrogenated castor oil, and one or more of these can be used.

[0137] Of the nonionic surfactants mentioned above, the alkyl groups in polyoxyethylene alkyl ethers, polyglyceryl alkyl ethers, alkyl glucosides, and polyoxyethylene alkylamines, the alkenyl groups in polyoxyethylene alkenyl ethers, and the fatty acids in sucrose fatty acid esters, polyoxyethylene fatty acid esters, fatty acid polyglyceryls, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and polyoxyethylene fatty acid esters are preferably having 8 to 22 carbon atoms, more preferably 10 to 22 carbon atoms, and even more preferably 12 to 22 carbon atoms.

[0138] Of the nonionic surfactants mentioned above, the average number of moles of ethylene oxide added (hereinafter referred to as "average number of moles of EO added") in polyoxyethylene alkyl ethers, polyoxyethylene alkenyl ethers, polyoxyethylene fatty acid esters, polyoxyethylene alkylamines, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and polyoxyethylene hydrogenated castor oil is preferably 2 or more, more preferably 3 or more, even more preferably 5 or more, and also preferably 150 or less, more preferably 80 or less, and even more preferably 60 or less, from the viewpoint of further improving the removalability of the film by step (II). Note that the average number of moles of EO added is a number average value.

[0139] Among the nonionic surfactants mentioned above, from the viewpoint of further improving the film removal efficiency in step (II), one or more selected from the group consisting of polyoxyethylene alkyl ethers, polyoxyethylene alkenyl ethers, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, and polyoxyethylene sorbitan fatty acid esters are preferred, one or more selected from the group consisting of polyoxyethylene sorbitan fatty acid esters and polyoxyethylene sorbitan fatty acid esters are more preferred, and polyoxyethylene sorbitan fatty acid esters are even more preferred. The preferred number of carbon atoms for these alkyl groups, alkenyl groups, or fatty acids is 8 to 22, more preferably 10 to 22, and even more preferably 12 to 22.

[0140] Specific examples of polyoxyethylene alkyl ethers include polyoxyethylene lauryl ether, polyoxyethylene myristyl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, and polyoxyethylene behenyl ether. Specific examples of polyoxyethylene alkenyl ethers include polyoxyethylene oleyl ethers. Specific examples of sorbitan fatty acid esters include sorbitan monolaurate and sorbitan monooleate. Specific examples of polyoxyethylene sorbitan fatty acid esters include polyoxyethylene sorbitan monolaurate, polyoxyethylene sorbitan monooleate, and polyoxyethylene coconut oil fatty acid sorbitan. Specific examples of polyoxyethylene sorbitan fatty acid esters include mono-, di-, tri-, or tetra-laurate polyoxyethylene sorbitan, mono-, di-, tri-, or tetra-oleate polyoxyethylene sorbitan, mono-, di-, tri-, or tetra-stearate polyoxyethylene sorbitan, and the like.

[0141] Component (D) can be used individually or in combination of two or more components. Among the above, from the viewpoint of ease of removing the film by step (II) and improvement of the quick-drying properties and feel of the keratin substance or fibers for headwear products after step (II), component (D) is preferably one or more selected from the group consisting of anionic surfactants, amphoteric surfactants, and nonionic surfactants, more preferably one or more selected from the group consisting of polyoxyethylene alkyl ether sulfates, alkyl hydroxysulfobetaines, and polyoxyethylene sorbitan fatty acid esters, and even more preferably one or more selected from the group consisting of sodium laureth sulfate, lauryl hydroxysulfobetaine, and mono-, di-, tri-, or tetra-oleate polyoxyethylene sorbitan.

[0142] (Content) The content of component (C) in the second agent is preferably 20% by mass or more, more preferably 30% by mass or more, even more preferably 40% by mass or more, even more preferably 50% by mass or more, even more preferably 70% by mass or more, even more preferably 80% by mass or more, even more preferably 90% by mass or more, and also 100% by mass or less, from the viewpoint of ease of removal of the film by step (II) and improvement of the quick-drying properties and feel of the keratin substance or fibers for headwear products after step (II).

[0143] If the second agent contains component (D), the content of component (D) in the second agent is preferably 0.1% by mass or more, more preferably 0.5% by mass or more, even more preferably 1% by mass or more, even more preferably 5% by mass or more, and even more preferably 10% by mass or more, from the viewpoint of improving the removeability of the film by step (II), and from the viewpoint of improving the quick-drying properties and feel of the keratin substance or fibers for headwear products after step (II), it is preferably 70% by mass or less, more preferably 60% by mass or less, and even more preferably 50% by mass or less. Furthermore, the content of component (D) in the second agent is preferably 0.1% by mass or more and 70% by mass or less, more preferably 0.5% by mass or more and 60% by mass or less, even more preferably 1% by mass or more and 50% by mass or less, even more preferably 5% by mass or more and 50% by mass or less, and even more preferably 10% by mass or more and 50% by mass or less.

[0144] The total content of components (C) and (D) in the second agent is preferably 30% by mass or more, more preferably 50% by mass or more, even more preferably 60% by mass or more, even more preferably 70% by mass or more, even more preferably 80% by mass or more, even more preferably 90% by mass or more, even more preferably 95% by mass or more, even more preferably 98% by mass or more, and also 100% by mass or less, from the viewpoint of ease of removal of the film by step (II) and improvement of the quick-drying properties and feel of the keratin substance or fibers for headwear products after step (II).

[0145] Furthermore, the ratio of the mass content of component (D) to component (C) in the second agent [(D) / (C)] is preferably 0.005 or more, more preferably 0.010 or more, and also preferably 10 or less, more preferably 5 or less, even more preferably 3 or less, even more preferably 2 or less, even more preferably 1.5 or less, and even more preferably 1.2 or less. The ratio of the mass content of component (D) to component (C) in the second agent [(D) / (C)] is preferably 0.005 or more and 10 or less, more preferably 0.010 or more and 5 or less, even more preferably 0.010 or more and 3 or less, even more preferably 0.010 or more and 2 or less, even more preferably 0.010 or more and 1.5 or less, and even more preferably 0.010 or more and 1.2 or less.

[0146] In addition to components (C) and (D) mentioned above, the second agent may appropriately contain polyhydric alcohols, colorants, antioxidants, fragrances, preservatives, thickeners, pH adjusters, disinfectants, humectants, cooling agents, etc.

[0147] (Dosage form, etc.) The dosage form of the second agent is not particularly limited and can be in the form of a liquid, paste, cream, gel, foam, spray, wax, etc., depending on the product form. Furthermore, the second agent is preferably non-aqueous from the viewpoint of ease of removal of the film in step (II) and improvement of the quick-drying properties and feel of the keratin substance or fibers for headwear products after step (II). That is, the water content in the second agent is less than 1% by mass, preferably less than 0.5% by mass, and more preferably less than 0.1% by mass. Also, similar to the first agent, the dosage form of the second agent may be an aerosol. An aerosol formulation containing the second agent is a formulation in which the second agent, which is an aerosol concentrate, and a propellant are filled into an aerosol container, and the preferred embodiment is the same as that described for the first agent.

[0148] (Method of administering the second drug) In step (II), the keratin material or fiber for headwear products to which the second agent is applied may be in either a dry or wet state. However, from the viewpoint of obtaining the effects of the present invention, it is preferable to apply the second agent to the keratin material or fiber for headwear products in a dry state. The method of applying the second agent can be appropriately selected depending on the dosage form of the second agent, and examples include coating, casting, spraying, etc.

[0149] In step (II), there are no particular restrictions on the amount of the second agent applied to keratin material or fibers for headwear products, however, when applied to skin or nails, it is usually applied to 1 cm of skin or nail. 2 Preferably, the amount is in the range of 0.0005g to 5g per gram, and more preferably in the range of 0.001g to 3g per gram. Furthermore, when applied to eyebrows, eyelashes, hair, or fibers for headwear products, the amount is usually in the range of 0.005g to 10g per gram of eyebrows, eyelashes, hair, or fibers for headwear products, and more preferably in the range of 0.01g to 5g per gram.

[0150] In step (II), from the viewpoint of ease of removing the film produced in step (II), and from the viewpoint of improving the quick-drying properties and feel of the keratin material or fibers for headwear products after step (II), it is more preferable to apply the second agent and the cleaning agent to the keratin material or fibers for headwear products after the film formation in step (I). The cleansing agent can be any cleansing agent other than the second agent used in step (II), and may be a commercially available cleansing agent for keratin substances. Examples of commercially available cleansing agents include shampoos and cleansing agents for skin, eyelashes, eyebrows, or nails. The cleaning agent is preferably a cleaning agent mainly composed of water, and more preferably a cleaning agent containing a surfactant and water, with water as the main component. Examples of surfactants include the various surfactants exemplified as component (D) in the second agent. The surfactant content in the detergent is preferably 0.01% by mass or more and 50% by mass or less, more preferably 0.1% by mass or more and 40% by mass or less, and even more preferably 1% by mass or more and 30% by mass or less, from the viewpoint of improving the quick-drying properties and feel of the keratin material or fibers for headwear products after step (II). The water content in the detergent is preferably 50% by mass or more, more preferably 60% by mass or more, even more preferably 70% by mass or more, preferably 99.99% by mass or less, more preferably 99.9% by mass or less, and even more preferably 99% by mass or less, from the viewpoint of improving the quick-drying properties and feel of the keratin material or fibers for headwear products after step (II).

[0151] When the object to which the present invention applies is hair or fibers for headwear products, the cleansing agent used in step (II) may be, for example, a shampoo containing at least an anionic surfactant and water. An example of an anionic surfactant contained in the shampoo may be the anionic surfactant exemplified as component (D) in the second agent. The content of the anionic surfactant in the shampoo can be selected to be in the range of 0.01% by mass or more and 40% by mass or less, preferably 0.1% by mass or more and 30% by mass or less, and more preferably 1% by mass or more and 20% by mass or less, and the water content can be selected to be in the range of 60% by mass or more and 99.99% by mass or less, preferably 70% by mass or more and 99% by mass or less, and more preferably 70% by mass or more and 99% by mass or less.

[0152] When a cleaning agent is used in step (II), the cleaning agent may be applied to the keratin material or the fibers for headwear products at any of the following timings: before application of the second agent, simultaneously with application of the second agent, or after application of the second agent. From the viewpoint of ease of removal of the film by step (II) and ease of implementation, it is preferable to apply the cleaning agent after application of the second agent. Specifically, it is preferable to first apply the second agent to the keratin material or the fibers for headwear products and allow it to penetrate, and then apply the cleaning agent and allow it to penetrate without rinsing off the second agent.

[0153] In step (II), there are no particular restrictions on the amount of detergent applied to keratin material or fibers for headwear products, however, when applied to skin or nails, it is usually applied to 1 cm of skin or nail. 2 Preferably, the amount is in the range of 0.0005g to 5g per gram, and more preferably in the range of 0.001g to 3g. When applied to eyebrows, eyelashes, or hair, the amount is usually in the range of 0.005g to 10g per gram of eyebrows, eyelashes, or hair, and more preferably in the range of 0.01g to 5g. Furthermore, when a cleaning agent is used in step (II), the amount of cleaning agent relative to the amount of second agent applied (cleaning agent / second agent) is preferably in the range of 0.01 to 100, and more preferably 0.1 to 10, as a mass ratio, from the viewpoint of film removal efficiency.

[0154] In step (II), it is preferable to apply the second agent (and the detergent if a detergent is used) to the keratin material or the fibers for the headwear product, allow the second agent (and detergent) to penetrate, and then rinse off the second agent (and detergent) with water. This makes it easy to remove the film formed in step (I). From the viewpoint of film removal and work efficiency, the rinsing time with water is preferably 30 seconds to 5 minutes.

[0155] After removing the coating in step (II), the keratin material or fibers for headwear products can be dried in the same manner as after step (I). The keratin material or fibers for headwear products after the film removal process (II) have quick-drying properties and a good feel.

[0156] [Keratin material or fiber treatment kit for headwear products] The present invention further provides a kit for treating keratin materials or fibers for headwear products, comprising: a first agent containing component (A): a silicone film-forming agent that is solid at 25°C; component (B): an organopolysiloxane other than component (A) having a cationic group; and a second agent containing component (C): an oil. The first agent, the second agent, and their preferred embodiments are the same as described above. The kit of the present invention may comprise at least the first and second agents, and may further comprise formulations that do not correspond to either the first or second agent.

[0157] The first agent in the kit of the present invention may consist of two or more compositions. These compositions can be mixed before use to prepare the first agent, which can then be applied to keratin material or fibers for headwear products.

[0158] With regard to the embodiments described above, the present invention discloses the following. <1> A method for processing keratin substances or fibers for headwear products, The aforementioned method, Step (I) A step of applying the first agent to a keratin substance or fiber for headwear products to form a film, Step (II) is a step of applying the second agent to the keratin material or fiber for headwear products on which the film has been formed to remove the film, and so on, The first agent contains component (A): a silicone film-forming agent that is solid at 25°C, and component (B): an organopolysiloxane other than component (A) having a cationic group, and the second agent contains component (C): an oil. <2> The keratin substance is preferably one or more selected from the group consisting of skin, eyebrows, eyelashes, hair, or nails, and more preferably hair. <1> Methods used. <3> The headwear product is one or more selected from the group consisting of hair wigs, hairpieces, weaving, hair extensions, braided hair, hair accessories, and doll hair. <1> or <2> Methods used. <4> The keratin substance or fiber for headwear products is preferably one or more selected from the group consisting of skin, eyebrows, eyelashes, hair, nails, and fiber for headwear products, more preferably one or more selected from the group consisting of hair and fiber for headwear products, and even more preferably hair. <1> ~ <3> The method described in any one of the following cases. <5> The aforementioned component (A) is one or more selected from the group consisting of the following components (A1) and (A2): <1> ~ <4> The method described in any one of the following cases. Component (A1): Average formula (R 1 ) m SiO (4-m) / 2 (In the formula, R 1 R represents a hydrocarbon group or hydroxyl group having 1 to 12 carbon atoms, which may be fluorine-substituted. 1 (These two numbers may be the same or different. m is the mean number, which is greater than or equal to 0 and less than 3.) It is represented as R 1 SiO 3 / 2 T units and SiO are represented by the T units and SiO 4 / 2 A silicone resin containing one or more units selected from the group consisting of Q units represented by Component (A2): Silicone polymer comprising a polysiloxane portion and a portion consisting of non-silicone organic chains. <6> The aforementioned component (A1) includes one or more selected from the group consisting of the following components (A1-1) and (A1-2). <5> Methods used. (A1-1) Expressed by the above average formula, R 1 SiO 3 / 2 Includes T units represented by SiO 4 / 2 Silicone resin that substantially does not contain the Q units represented by (A1-2) Expressed by the above average formula, SiO 4 / 2 The Q units and (R 1 )3SiO 1 / 2 Silicone resin containing M units represented by <7> The aforementioned component (A2) preferably comprises one or more selected from the group consisting of the following components (A2-1) to (A2-4), and more preferably comprises component (A2-1). <5> or <6> Methods used. (A2-1) Acrylic silicone polymer (A2-2) Silicone-modified alicyclic structure-containing polymer (A2-3) Silicone-modified pullulan (A2-4) Polyurea / Urethane Silicone <8> The above component (A1-1) is preferably polysilsesquioxanes, more preferably one or more selected from the group consisting of polymethylsilsesquioxane, polypropylsilsesquioxane, polyphenylsilsesquioxane, polymethylphenylsilsesquioxane, and fluorine-modified alkyldimethylpolysilsesquioxane, even more preferably one or more selected from the group consisting of polymethylsilsesquioxane and polypropylsilsesquioxane, and even more preferably polymethylsilsesquioxane. <6> or <7> Methods used. <9> The aforementioned components (A1-2) are preferably one or more selected from the group consisting of trimethylsiloxysilicate, trifluoropropyldimethyltrimethylsiloxysilicate, and (trimethylsiloxysilicate / dimethiconol) crosspolymer, more preferably one or more selected from the group consisting of trimethylsiloxysilicate and trifluoropropyldimethyltrimethylsiloxysilicate, and even more preferably trimethylsiloxysilicate. <6> or <7> Methods used. <10> The acrylic silicone polymer, which is component (A2-1), is one or more selected from the group consisting of acrylic polymers having a carbosiloxane dendrimer structure in the side chain, acrylic-silicone graft copolymers, and graft copolymers or alternating block copolymers in which structural units consisting of polysiloxane groups and polymers of unsaturated monomers are linked via sulfide bonds. Preferably, it is one or more selected from the group consisting of acrylic polymers having a carbosiloxane dendrimer structure in the side chain and acrylic-silicone graft copolymers. More preferably, it is one or more selected from the group consisting of (acrylates / polytrimethylsiloxy methacrylate) copolymer and (acrylates / dimethicone) copolymer. Even more preferably, it is (acrylates / dimethicone) copolymer. <7> ~ <9> The method described in any one of the following cases.

[0159] <11> The component (A) preferably comprises one or more selected from the group consisting of component (A1), component (A2-1), and component (A2-2), more preferably comprises one or more selected from the group consisting of component (A1) and component (A2-1), even more preferably comprises one or more selected from the group consisting of component (A1-2) and component (A2-1), and even more preferably comprises component (A1-2). <6> ~ <10> The method described in any one of the following cases. <12> The aforementioned component (A) contains both component (A1) and component (A2), <5> ~ <11> The method described in any one of the following cases. <13> The content of component (A1) relative to the total content of component (A2) is preferably 0.50 to 0.90, more preferably 0.50 to 0.85, and even more preferably 0.60 to 0.80, as a mass ratio [(A1) / {(A1)+(A2)}]. <12> Methods used. <14> The aforementioned component (A) contains one or more selected from the group consisting of trimethylsiloxysilicate, phenylpropyldimethylsiloxysilicate, trifluoropropyldimethyltrimethylsiloxysilicate, (trimethylsiloxysilicate / dimethiconol) crosspolymer, polymethylsilsesquioxane, polypropylsilsesquioxane, (acrylates / polytrimethylsiloxy methacrylate) copolymer, (acrylates / dimethicone) copolymer, and (norbornene / tris(trimethylsiloxy)silylnorbornene) copolymer, preferably trimethylsiloxysilicate and phenylpropyldimethylsiloxy It contains one or more selected from the group consisting of silicate, trifluoropropyldimethyltrimethylsiloxysilicate, (trimethylsiloxysilicate / dimethiconol) crosspolymer, polymethylsilsesquioxane, polypropylsilsesquioxane, (acrylates / polytrimethylsiloxymethacrylate) copolymer and (acrylates / dimethicone) copolymer, more preferably one or more selected from the group consisting of trimethylsiloxysilicate and (acrylates / dimethicone) copolymer, even more preferably trimethylsiloxysilicate, and even more preferably trimethylsiloxysilicate. <1> ~ <13> The method described in any one of the following cases. <15> The cationic group of component (B) is a cationic group or a group that can be ionized to become a cationic group, preferably one or more selected from the group consisting of primary amino groups, secondary amino groups, tertiary amino groups, and quaternary ammonium groups, more preferably one or more selected from the group consisting of primary amino groups, secondary amino groups, and tertiary amino groups. <1> ~ <14> The method described in any one of the following cases. <16> The aforementioned component (B) is one or more selected from the group consisting of amino-modified silicone (B1) and amino-polyether-modified silicone (B2). <1> ~ <15> The method described in any one of the following cases. <17> The amino-modified silicone (B1) is a silicone other than component (A) that has an amino group and does not have a polyether moiety, and is preferably a silicone represented by the following general formula (1). <16> Methods used. [ka] (In the formula, R 11 Each of these independently represents a hydrocarbon group having 1 to 6 carbon atoms, and R 12 Each of these independently represents a hydroxyl group, an alkoxy group having 1 to 6 carbon atoms, or a hydrocarbon group having 1 to 22 carbon atoms. 17 n indicates a primary to tertiary amino group-containing group. B1 n is a number greater than or equal to 0. B2 n is a number greater than or equal to 1. B1 +n B2 n indicates the degree of polymerization. B2 Individual R 17 They may be the same or different. <18> The aminopolyether-modified silicone (B2) is a silicone other than component (A) having an amino group and a polyether moiety, and is preferably one or more selected from the group consisting of aminopolyether-modified silicone (B2-1) having a repeating unit represented by the following general formula (2) and aminopolyether-modified silicone (B2-2) having a repeating unit represented by the following general formula (3). <16> or <17> Methods used. [ka] In formula (2), R 21 R represents a monovalent hydrocarbon group with 1 to 6 carbon atoms. 22 is R 21 or E 1 It indicates one of the following: E 1 ha-R 23 -Z 1 (R 23 This represents a divalent hydrocarbon group with 1 to 6 carbon atoms, and Z 1 ) indicates a primary to tertiary amino group-containing group. ) indicates a monovalent group.24 R represents a divalent hydrocarbon group having 1 to 6 carbon atoms, 25 This represents a hydrogen atom or a monovalent hydrocarbon group having 1 to 4 carbon atoms. e represents a number between 1 and 50 (inclusive), f represents a number between 1 and 50 (inclusive), g represents a number between 1 and 50 (inclusive), h represents a number greater than or equal to 1, and j represents a number between 2 and 100 (inclusive). p represents a number between 2 and 10 (inclusive). The order of joining the structural units in parentheses is irrelevant, and the joining form can be block-like or random. j OCs p H 2p They may be the same or different. Also, multiple Rs 21 , R 22 , R 24 , R 25 and E 1 They may be the same or different. [ka] In formula (3), R 31 R represents a monovalent hydrocarbon group with 1 to 6 carbon atoms. 32 is R 31 or E 2 It indicates one of the following: E 2 ha-R 33 -Z 2 (R 33 This represents a single bond or a divalent hydrocarbon group having 1 to 20 carbon atoms, Z 2 indicates a primary to tertiary amino group-containing group. ) indicates a monovalent group. Y indicates a single bond or a divalent group with 1 to 12 carbon atoms. All R 32 R 31 If this is the case, then at least one Y is a divalent group containing an amino group. If all Y are divalent groups that do not contain an amino group, then at least one R 32 is E 2 That is the case. r represents a number greater than or equal to 1, s represents a number greater than or equal to 1, t represents a number between 2 and 100, and u represents a number greater than or equal to 1. p is the same as above, representing a number between 2 and 10. The order of joining the structural units in parentheses is irrelevant, and the joining form can be block-like or random. t C p H 2p O may be the same or different. Also, multiple Rs may be used.31 , R 32 , E 2 And Y may be the same or different. <19> The aforementioned component (B2-1) is represented by the following general formula (2-1): <18> Methods used. [ka] In formula (2-1), E 1 , R 24 , R 25 e, f, and g are the same as above. 29 represents a monovalent hydrocarbon group or trimethylsilyl group having 1 to 4 carbon atoms. k represents a number between 1 and 50, and l represents a number between 0 and 50, preferably between 1 and 50. <20> The component (B2-2) is one or more selected from the group consisting of aminopolyether-modified silicones having a structure represented by the following general formula (3-1) and aminopolyether-modified silicones having a structure represented by the following general formula (3-2), preferably one or more selected from the group consisting of aminopolyether-modified silicones having a structure represented by the following general formula (3-1) and aminopolyether-modified silicones having a structure represented by the following general formula (3-2), more preferably an aminopolyether-modified silicone having a structure represented by the following general formula (3-1). <18> or <19> Methods used. [ka] In equation (3-1), r, s, t, and u are the same as described above. [ka] In formula (3-2), R 38 r, s, and u are the same as described above. v represents a number between 0 and 50, preferably between 2 and 50, and w represents a number between 2 and 100. v+w is a number between 2 and 100, preferably between 4 and 80, more preferably between 10 and 50.

[0160] <21> The component (B) is preferably one or more selected from the group consisting of amino-modified silicone represented by general formula (1) and amino-polyether-modified silicone (B2-2) having repeating units represented by general formula (3), more preferably one or more selected from the group consisting of amino-modified silicone represented by general formula (1) and amino-polyether-modified silicone having a structure represented by general formula (3-1), even more preferably an amino-polyether-modified silicone having a structure represented by general formula (3-1), or preferably biscetearyl amodimethicone and amino-polyether-modified silicone It comprises one or more selected from the group consisting of (B2), more preferably one or more selected from the group consisting of biscetearyl amodimethicone and amino polyether-modified silicones (B2-2) having repeating units represented by the general formula (3), even more preferably one or more selected from the group consisting of biscetearyl amodimethicone and amino polyether-modified silicones having a structure represented by the general formula (3-1), and even more preferably one or more selected from the group consisting of biscetearyl amodimethicone and amino polyether-modified silicones having a structure represented by the general formula (3-1). <17> ~ <20> The method described in any one of the following cases. <22> The content of component (A) in the first agent is preferably 0.05% by mass or more and 30% by mass or less, more preferably 0.1% by mass or more and 25% by mass or less, even more preferably 0.5% by mass or more and 25% by mass or less, even more preferably 1% by mass or more and 25% by mass or less, even more preferably 2% by mass or more and 25% by mass or less, even more preferably 3% by mass or more and 23% by mass or less, and even more preferably 5% by mass or more and 23% by mass or less. <1> ~ <21> The method described in any one of the following cases. <23> The content of component (B) in the first agent is preferably 0.01% by mass or more and 30% by mass or less, more preferably 0.02% by mass or more and 25% by mass or less, even more preferably 0.03% by mass or more and 20% by mass or less, even more preferably 0.03% by mass or more and 15% by mass or less, even more preferably 0.05% by mass or more and 10% by mass or less, even more preferably 0.05% by mass or more and 5% by mass or less, even more preferably 0.05% by mass or more and 3% by mass or less, and even more preferably 0.05% by mass or more and 2% by mass or less. <1> ~ <22> The method described in any one of the following cases. <24> The total content of component (A) and component (B) in the first agent is preferably 0.06% by mass or more and 50% by mass or less, more preferably 0.1% by mass or more and 45% by mass or less, even more preferably 0.5% by mass or more and 40% by mass or less, even more preferably 1% by mass or more and 30% by mass or less, even more preferably 2% by mass or more and 25% by mass or less, and even more preferably 5% by mass or more and 25% by mass or less. <1> ~ <23> The method described in any one of the following cases. <25> The ratio of the mass content of component (B) to component (A) in the first agent [(B) / (A)] is preferably 0.005 to 50, more preferably 0.010 to 50, even more preferably 0.010 to 30, even more preferably 0.010 to 20, even more preferably 0.010 to 10, even more preferably 0.010 to 5, even more preferably 0.010 to 3, even more preferably 0.010 to 1, and even more preferably 0.010 to 0.8. <1> ~ <24> The method described in any one of the following cases. <26> The first agent further contains a coloring agent, preferably a pigment or dye, more preferably a pigment. <1> ~ <25> The method described in any one of the following cases. <27> The coloring agent content in the first agent is preferably 0.01% by mass or more and 50% by mass or less, more preferably 0.05% by mass or more and 30% by mass or less, and even more preferably 0.1% by mass or more and 30% by mass or less. <26> Methods used. <28> The first agent further contains, as component (E), an organopolysiloxane other than components (A) and (B). <1> ~ <27> The method described in any one of the following cases. <29> The degree of polymerization of component (E) is preferably 100 to 4,300, more preferably 150 to 4,200, even more preferably 250 to 4,200, even more preferably 300 to 4,000, even more preferably 320 to 3,800, even more preferably 320 to 3,700, and even more preferably 350 to 3,650. <28> Methods used. <30> The aforementioned component (E) is an organopolysiloxane represented by the following general formula (4). <28> or <29> Methods used. [ka] (In the formula, R 41 Each of these independently represents a hydrocarbon group having 1 to 6 carbon atoms, and R 42 Each of these independently represents a hydroxyl group, an alkoxy group having 1 to 6 carbon atoms, or a hydrocarbon group having 1 to 6 carbon atoms. 43 This represents a hydrocarbon group with 1 to 6 carbon atoms. E n indicates the degree of polymerization and is a number greater than or equal to 100. E Individual R 43 They may be the same or different.

[0161] <31> The viscosity of component (E) at 25°C is preferably 120 mm. 2 / s or more 10,000,000 mm 2 / s or less, more preferably 200mm 2 / s or more 80 million mm 2 / s or less, more preferably 500mm 2 / s or more 80 million mm 2 / s or less, more preferably 700mm 2 / s or more 80 million mm 2 / s or less, more preferably 700mm 2 / s or more 50 million mm 2 / s or less, more preferably 800mm 2 / s or more 40 million mm 2 / s or less, more preferably 800mm 2 / s or more 35 million mm 2 / s or less, more preferably 800mm 2 / s or more 30 million mm 2 / s or less, more preferably 1,000 mm 2 / s or more 25 million mm 2 It is less than or equal to / s. <28> ~ <30> The method described in any one of the following cases. <32> The content of component (E) in the first agent is preferably 0.1% by mass or more and 30% by mass or less, more preferably 0.3% by mass or more and 25% by mass or less, even more preferably 0.5% by mass or more and 20% by mass or less, even more preferably 1% by mass or more and 15% by mass or less, and even more preferably 1% by mass or more and 10% by mass or less. <28> ~ <31> The method described in any one of the following cases. <33> The first agent further contains a solvent, preferably ethanol, 1-propanol, or 2-propanol, with a viscosity of 4 mm at 25°C. 2 A solvent comprising one or more selected from the group consisting of dimethylpolysiloxane, methyl trimethicone, pentane, isopentane, hexane, isohexane, heptane, isoheptane, decane, isodecane, dodecane, isododecane, tridecane, isotridecane, tetradecane, isotetradecane, and light liquid isoparaffin with a viscosity of 4 mm at 25°C or less, more preferably with a viscosity of 4 mm at 25°C. 2 A solvent containing one or more selected from the group consisting of dimethylpolysiloxane, methyl trimethicone, isodecane, isododecane, isotetradecane, and light liquid isoparaffin with a solvent content of / s or less, more preferably a solvent containing one or more selected from the group consisting of isodecane, isododecane, isotetradecane, and light liquid isoparaffin. <1> ~ <32> The method described in any one of the following cases. <34> The solvent content in the first agent is preferably 40% by mass or more and 99.94% by mass or less, more preferably 50% by mass or more and 98% by mass or less, and even more preferably 60% by mass or more and 98% by mass or less. <33> Methods used. <35> The first agent is a non-aqueous composition having a water content of less than 1% by mass, preferably less than 0.5% by mass, and more preferably less than 0.1% by mass. <1> ~ <34> The method described in any one of the following cases. <36> The first agent is a cosmetic composition, preferably a hair cosmetic composition, more preferably a conditioning agent composition, a treatment agent composition, a styling agent composition, or a hair dye composition, and even more preferably a hair dye composition. <1> ~ <35> The method described in any one of the following cases. <37> The first drug is a leave-on preparation. <1> ~ <36> The method described in any one of the following cases. <38> In step (I) above, the first agent is applied to a dry keratin substance or fiber for headwear products. <1> ~ <37> The method described in any one of the following cases. <39> The above step (I) includes a step of applying the first agent to a keratin substance or fiber for headwear products and then drying it, <1> ~ <38> The method described in any one of the following cases. <40> The viscosity of component (C) at 25°C is preferably 300 mPa·s or less, more preferably 200 mPa·s or less, even more preferably 180 mPa·s or less, even more preferably 100 mPa·s or less, even more preferably 50 mPa·s or less, even more preferably 40 mPa·s or less, and preferably 1 mPa·s or more. <1> ~ <39> The method described in any one of the following cases.

[0162] <41> The aforementioned component (C) is preferably a light liquid isoparaffin, isododecane, and has a viscosity of 50 mm at 25°C. 2One or more selected from the group consisting of dimethylpolysiloxane, liquid isoparaffin, and triethylhexanoin with a viscosity of 50 mmHg or less at 25°C, more preferably light liquid isoparaffin, isododecane, and a viscosity of 50 mmHg or less at 25°C. 2 It is one or more selected from the group consisting of dimethylpolysiloxane with a seizure ratio of / s or less and triethylhexanoin. <1> ~ <40> The method described in any one of the following cases. <42> The second agent further contains a surfactant as component (D), <1> ~ <41> The method described in any one of the following cases. <43> The component (D) is preferably one or more selected from the group consisting of anionic surfactants, amphoteric surfactants, and nonionic surfactants; more preferably one or more selected from the group consisting of polyoxyethylene alkyl ether sulfates, alkyl hydroxysulfobetaines, and polyoxyethylene sorbitan fatty acid esters; even more preferably one or more selected from the group consisting of sodium laureth sulfate, lauryl hydroxysulfobetaine, and mono-, di-, tri-, or tetra-oleate polyoxyethylene sorbitan. <42> Methods used. <44> The content of component (C) in the second agent is preferably 20% by mass or more, more preferably 30% by mass or more, even more preferably 40% by mass or more, even more preferably 50% by mass or more, even more preferably 70% by mass or more, even more preferably 80% by mass or more, and even more preferably 90% by mass or more, and also 100% by mass or less. <1> ~ <43> The method described in any one of the following cases. <45> The content of component (D) in the second agent is preferably 0.1% by mass or more and 70% by mass or less, more preferably 0.5% by mass or more and 60% by mass or less, even more preferably 1% by mass or more and 50% by mass or less, even more preferably 5% by mass or more and 50% by mass or less, and even more preferably 10% by mass or more and 50% by mass or less. <42> ~ <44> The method described in any one of the following cases. <46> The total content of component (C) and component (D) in the second agent is preferably 30% by mass or more, more preferably 50% by mass or more, even more preferably 60% by mass or more, even more preferably 70% by mass or more, even more preferably 80% by mass or more, even more preferably 90% by mass or more, even more preferably 95% by mass or more, even more preferably 98% by mass or more, and also 100% by mass or less. <42> ~ <45> The method described in any one of the following cases. <47> The ratio of the mass content of component (D) to component (C) in the second agent [(D) / (C)] is preferably 0.005 to 10, more preferably 0.010 to 5, even more preferably 0.010 to 3, even more preferably 0.010 to 2, even more preferably 0.010 to 1.5, and even more preferably 0.010 to 1.2. <42> ~ <46> The method described in any one of the following cases. <48> In step (II) above, the second agent and the cleaning agent are applied to the keratin substance or fiber for headwear products after film formation in step (I). <1> ~ <47> The method described in any one of the following cases. <49> The aforementioned detergent is preferably a detergent mainly composed of water, and more preferably a detergent containing a surfactant and water, and mainly composed of water. <48> Methods used. <50> The surfactant content in the aforementioned detergent is preferably 0.01% by mass or more and 50% by mass or less, more preferably 0.1% by mass or more and 40% by mass or less, and even more preferably 1% by mass or more and 30% by mass or less. <49> Methods used.

[0163] <51> The water content in the detergent is preferably 50% by mass or more, more preferably 60% by mass or more, even more preferably 70% by mass or more, preferably 99.99% by mass or less, more preferably 99.9% by mass or less, and even more preferably 99% by mass or less. <49> or <50> Methods used. <52> In step (II) above, the cleaning agent is applied before the application of the second agent, simultaneously with the application of the second agent, or after the application of the second agent, preferably after the application of the second agent, to the keratin substance or the fibers for headwear products. <48> ~ <51> The method described in any one of the following cases. <53> A kit for treating keratin materials or fibers for headwear products, comprising: a first agent containing component (A): a silicone film-forming agent that is solid at 25°C, and component (B): an organopolysiloxane other than component (A) having a cationic group, and a second agent containing component (C): an oil. [Examples]

[0164] The present invention will be described below with reference to examples, but the present invention is not limited to the scope of these examples. In these examples, various measurements and evaluations were performed by the following methods.

[0165] <Viscosity> The viscosity of component (C) at 25°C was measured using a TVB-10 viscometer manufactured by Toki Sangyo Co., Ltd. under the following conditions. (Measurement conditions) Rotor: No. 1, Rotation speed: 60 rpm, 60 seconds However, if the measurement result exceeded 180 mPa·s, the rotation speed was changed to 30 rpm.

[0166] <How smooth the hair is to comb through after step (I)> A bundle of 100% human white hair (manufactured by Beaulux Co., Ltd., 10 cm long, 1 g in mass) was washed with plain shampoo of the composition listed below, rinsed with 40°C warm water, and thoroughly dried. 0.2 g of the first agent listed in the table was applied to the bundle with fingers and spread evenly. Then, a hairdryer was used to apply warm air, combing the bundle for 30 seconds, followed by drying for another 60 seconds without combing. After drying, the bundle was combed five more times to create the bundle after the first agent treatment (Step (I)). Regarding the manageability of the hair strands after the above treatment, expert panelists conducted a sensory evaluation according to the following criteria, and calculated the total score for N=2. If the total score is 3 or less, the fingers won't feel smooth. If the total score is 4 or more, the fingers will feel smooth, and if it's 7 or more, the fingers will feel even better. 4: It feels smooth to the touch. 3: I feel it's slightly smoother to the touch. 2: I feel it's slightly difficult to run my fingers through. 1: I feel like it doesn't go through my fingers well.

[0167] (Composition of plain shampoo) Ingredients (mass %) Sodium polyoxyethylene(2) lauryl ether sulfate (*1) 15.5 Lauric acid diethanolamide (*2) 1.5 Tetrasodium edetate salt 0.3 Sodium benzoate 1.43 Refined water residue Total 100.0 *1: 57.4% by mass of Emal 227 (manufactured by Kao Corporation, active ingredient 27% by mass) *2: Aminone L-02 (manufactured by Kao Corporation)

[0168] <Hair's resistance to washing after process (I)> A bundle of 100% human white hair (manufactured by Beaulux Co., Ltd., 10 cm long, 1 g in mass) was washed with plain shampoo of the above composition, rinsed with 40°C warm water, and thoroughly dried. 0.2 g of the first agent listed in the table was applied to the bundle with fingers and spread evenly. Then, a hairdryer was used to apply warm air, combing the bundle for 30 seconds, and then drying for another 60 seconds without combing. After further drying at room temperature for at least two days, each bundle was combed five times to create the bundle after the first agent treatment (Step (I)). The hair bundles after the above processing were color-coded using a colorimeter (Konica Minolta, Inc., CR-400) with a D65 light source in the CIE color system (L). * ,a * ,b * The color was measured using ). Next, the hair bundles treated as described above were washed with 40°C warm water using a plain shampoo of the aforementioned composition, and dried. This process was repeated three times. After washing and drying the hair bundles three times, the color was measured using a colorimeter, and the color difference (ΔE) between the hair bundles treated with the first agent and the color bundles was calculated according to the following formula. * ) was calculated. L * ,a * ,b * Measurements were taken at six different points on the hair strand (one point on the front and one on the back, in the center of each of the three regions obtained by dividing the hair strand lengthwise), and the average value was calculated. ΔE * A smaller value indicates better resistance to washing hair.

number

[0169] <Removability of the coating by process (II)> A bundle of 100% human white hair (manufactured by Beaulux Co., Ltd., 10 cm long, 1 g in mass) was washed with plain shampoo of the above composition, rinsed with 40°C warm water, and thoroughly dried. 0.2 g of the first agent listed in the table was applied to the bundle with fingers and spread evenly. Then, a hairdryer was used to apply warm air, combing the bundle for 30 seconds, followed by drying for another 60 seconds without combing. The bundle was then dried at room temperature for at least two days. Each bundle was combed five times to prepare the bundle after the first agent treatment (Step (I)). The hair bundles after the above treatment were color-coded using a colorimeter (Konica Minolta, Inc., CR-400) on the CIE color system (L * ,a * ,b * The color was measured using ). Next, 1 g of the second agent listed in the table was rubbed into the hair strands after the above treatment with fingers for 30 seconds, then 1 g of plain shampoo with the above composition was rubbed into them with fingers for another 30 seconds, and rinsed with 40°C warm water for 15 seconds (Step (II)). Then, warm air was applied using a hairdryer and the hair was thoroughly dried. The dried hair strands were similarly measured with a colorimeter, and the color difference (ΔE) from the hair strands before treatment with the second agent was calculated as described above. * ) was calculated. ΔE * A higher value indicates better removal of the film formed by the first agent.

[0170] <Hair drying speed after step (II)> Similar to the evaluation of "Removability of the coating by process (II)" described above, after performing up to process (II), the time required for drying was measured when hot air was applied using a hair dryer. After drying for 30 seconds while combing, and then for another 60 seconds without combing, the hair bundles were touched with a finger at 90 seconds and 210 seconds to check whether they were wet or not. A: Dries within 90 seconds B: Dries in under 210 seconds C: Takes over 210 seconds to dry

[0171] <Hair texture after step (II)> Similar to the evaluation of "Removability of the coating by process (II)" described above, the process was carried out until the hair bundles were dried after process (II). Expert panelists performed a sensory evaluation of the obtained hair bundles according to the following criteria, and the total score for N=2 was calculated. If the total score is 3 points or less, it will feel sticky. If the total score is 5 points or more, it will not feel sticky, and if the total score is 6 points or more, it will be even less sticky. 4: Non-sticky 3: Not sticky 2: Feels slightly sticky 1: Sticky

[0172] Examples 1-11, Comparative Examples 1-3 (Hair Treatment and Evaluation) Each component shown in "Part 1" of Table 1 was mixed according to the proportions indicated in the table and combined until uniform to prepare Part 1, a hair dye. The obtained Part 1 and Part 2, isododecane, were evaluated using the method described above. The results are shown in Table 1.

[0173] Examples 12-21, Comparative Example 4 (Hair Treatment and Evaluation) The components listed under "Part 1" in Table 2 were mixed according to the proportions indicated in the table and combined until uniform to prepare Part 1, a hair dye. Similarly, the components listed under "Part 2" in Table 2 were mixed according to the proportions indicated in the table and combined thoroughly to prepare Part 2. The obtained Part 1 and Part 2 were evaluated using the method described above. The results are shown in Table 2. Note that the amounts (mass %) listed in the table all represent the amount of active ingredients.

[0174] [Table 1]

[0175] [Table 2]

[0176] The ingredients listed in the table are as follows: *1: X-21-5595, manufactured by Shin-Etsu Chemical Co., Ltd., isododecane solution of trimethylsiloxysilicate (60% by mass). *2: KP-550, manufactured by Shin-Etsu Chemical Co., Ltd., isododecane solution of (acrylates / dimethicone) copolymer (40% by mass) *3: Aminopropyltriethoxysilane, manufactured by Fujifilm Wako Pure Chemical Industries, Ltd., Aminopropyltriethoxysilane (98%) *4: DOWSIL SS-3588 Fluid, manufactured by Dow Toray Industries, Ltd., an ethanol solution of (bisisobutyl PEG-15 / amodimethicone) copolymer (80% by mass). *5: KF-8005S, manufactured by Shin-Etsu Chemical Co., Ltd., aminoethylaminopropyl dimethicone *6: KF-8015, manufactured by Shin-Etsu Chemical Co., Ltd., aminopropyl dimethicone *7: XF42-B1989, manufactured by Momentive Performance Materials Japan LLC, amodimethicone (aminoethylaminopropylmethylsiloxane / dimethylsiloxane copolymer) *8: Silsoft AX, manufactured by Momentive Performance Materials Japan LLC, biscetearyl amodimethicone *9: RESYN 28-2930, manufactured by Nurion Japan Co., Ltd., (VA / crotonic acid / vinyl neodecanoate) copolymer *10: ISD-CB2, manufactured by Daito Chemical Industries, Ltd., isododecane solution of carbon black (15% by mass). *11: Marcazole R, manufactured by Maruzen Petrochemical Co., Ltd., isododecane *12:99% synthetic alcohol, manufactured by Nippon Synthetic Alcohol Co., Ltd., ethanol *13: Pearlream 3, manufactured by NOF Corporation, hydrogenated polyisobutene *14: KF-96A-6cs, manufactured by Shin-Etsu Chemical Co., Ltd., dimethicone *15: KF-96A-20cs, manufactured by Shin-Etsu Chemical Co., Ltd., dimethicone *16: Excepal TGO, manufactured by Kao Corporation, triethylhexanoin *17: Hycol K-350, manufactured by Kao Corporation, liquid paraffin *18: Emal 125A, manufactured by Kao Corporation, aqueous solution of ammonium laureth sulfate (25% by mass). *19: Anchitol 20HD, manufactured by Kao Corporation, aqueous solution of lauryl hydroxysulfobetaine (30% by mass). *20: Leodol 430V, manufactured by Kao Corporation, sorbeth-30 tetraoleate

[0177] Table 1 shows that, according to the treatment method of the present invention, the hair treatment effect of the first agent in step (I) is long-lasting (resistance to washing), and the feel of the hair after treatment is good. Furthermore, in step (II), the film formed using the first agent in step (I) can be easily removed with the second agent, and it can be seen that both the quick-drying properties and feel of the hair after the film removal in step (II) are excellent. Comparative Example 1 is an example in which a hair dye corresponding to the invention of Patent Document 1 was used as the first agent, but at the stage of treatment with the first agent in step (I), both the persistence of the hair treatment effect (resistance to washing) and the feel of the hair after treatment were inferior. Comparative Example 2 is an example in which a first agent that does not contain component (A) was used, and both the persistence of the hair treatment effect by the first agent in step (I) and the quick drying of the hair after film removal in step (II) were reduced. Comparative Example 3 is an example in which a first agent that does not correspond to component (A) was used, and a liquid silicone compound at 25°C (indicated as component (A') in the table) was used instead, and at the stage of treatment with the first agent in step (I), the persistence of the hair treatment effect (resistance to washing) was inferior. Table 2 shows examples of variations in the composition of the second agent used in step (II). It can be seen that when the viscosity of component (C) at 25°C is low (especially 180 mPa·s or less), the film removal effect by step (II) is high. Furthermore, a comparison between Example 1 and Examples 17-21 shows that using components (C) and (D) in the second agent improves the film removal effect by step (II). However, as shown in Comparative Example 4, when the second agent does not contain component (C), both the film removal effect by step (II) and the quick-drying properties and feel of the hair after film removal in step (II) are reduced. [Industrial applicability]

[0178] According to the present invention, a treatment method is provided that offers high durability of the treatment effect of the treatment agent on keratin material or fibers for headwear products, a good feel after treatment, and the treatment agent can be easily removed from the keratin material or fibers for headwear products, and the keratin material or fibers for headwear products have excellent quick-drying properties and feel after the treatment agent is removed. For example, if the first agent is a hair dye containing a coloring agent, the hair dyed with the hair dye has high resistance to washing, excellent color retention, and a good feel after dyeing. Furthermore, the coloring by the hair dye can be easily reversed by treatment with the second agent, and the hair also has excellent quick-drying properties and feel after the coloring is removed.

Claims

1. 1. A method for treating keratinous materials or fibers for headwear, comprising: The method comprises: Step (I) applying a first agent to a keratin material or a fiber for a headwear product to form a film; Step (II) applying a second agent to the keratinous material or fiber for head accessories on which the film has been formed, and removing the film; The method according to claim 1, wherein the first agent contains component (A): a silicone film-forming agent that is solid at 25°C, and component (B): an organopolysiloxane other than component (A) that has a cationic group, and the second agent contains component (C): an oil agent.

2. The method according to claim 1, wherein in step (II), the second agent and a cleanser are applied to the keratinous material or fibers for headwear after the film formation.

3. The method according to claim 1 or 2, wherein the component (A) is at least one selected from the group consisting of the following components (A1) and (A2): Component (A1): Average formula (R １ ) ｍ SiO （４－ｍ）／２ (In the formula, R １ represents a hydrocarbon group having 1 to 12 carbon atoms which may be substituted with fluorine or a hydroxy group. １ may be the same or different, and m is an average number greater than 0 and less than 3. and R １ SiO ３／２ T units represented by the formula ４／２ A silicone resin containing one or more units selected from the group consisting of Q units represented by Component (A2): A silicone polymer containing a polysiloxane portion and a portion consisting of a non-silicone organic chain.

4. The method according to claim 1 or 2, wherein the component (B) is at least one member selected from the group consisting of an amino-modified silicone (B1) and an aminopolyether-modified silicone (B2).

5. The method according to claim 1 or 2, wherein the ratio of the mass content of the component (B) to the mass content of the component (A) in the first agent [(B) / (A)] is 0.010 or more and 50 or less.

6. The method according to claim 1 or 2, wherein the viscosity of component (C) at 25°C is 300 mPa·s or less.

7. The method of claim 1 or 2, wherein the first part further contains a colorant.

8. The method according to claim 1 or 2, wherein the second agent further contains a surfactant as component (D).

9. 3. The method of claim 1 or 2, wherein the keratinous material is hair.

10. A fiber treatment kit for keratin materials or headwear products, comprising: a first agent containing component (A): a silicone film-forming agent that is solid at 25°C; and component (B): an organopolysiloxane other than component (A) that has a cationic group; and a second agent containing component (C): an oil agent.