Multi-drug hair treatment agent

Abstract

To provide multi-agent type hair treatment agents that have excellent compatibility with each hair treatment agent, and to provide multi-agent type hair treatment agents that have excellent hair moisturizing and smoothness from rinsing to finishing.SOLUTION: Provided is a multi-agent type hair treatment agent comprising a first agent and a second agent, the first agent being a non-aqueous composition containing ingredients (A) to (C): (A) a silicone oil; (B) a hydrocarbon oil that is liquid at 25°C; (C) an ester oil that is liquid at 25°C, the second agent being an oil-in-water emulsified composition containing ingredients (D) and (E): (D) a cationic surfactant; and (E) a higher alcohol with 16 or more carbon atoms, and the second agent being applied after application of the first agent to the hair.SELECTED DRAWING: None

Description

[Technical Field]

[0001] The present invention relates to a multi-component hair treatment agent and a hair treatment method. [Background technology]

[0002] Traditionally, hair treatments such as hair conditioners and hair treatments have been widely used to repair hair damaged by physical processes such as hair irons and hair dryers, or chemical processes such as hair coloring. These hair treatments contain cationic surfactants and cationic polymers, but when used alone, there are limitations on the types and amounts of ingredients that can be included, making it difficult to achieve both moisturizing and suppleness. On the other hand, oil-based (non-aqueous) hair oils can be used to impart moisturizing and suppleness to hair, but because they are non-aqueous formulations, they have issues such as an unsatisfactory feel when rinsing and concerns about stickiness after use due to excess oil remaining in the hair.

[0003] For this reason, instead of using a single hair treatment agent, multi-agent hair treatment agents have been proposed in which multiple hair treatment agents are applied separately to the hair. As a technology for increasing hair softness, there is a multi-component hair treatment agent that includes at least two components, a first component and a second component, that are applied sequentially to the hair and that is used for hair rinse, hair treatment, or hair conditioning, wherein the first component contains at least a cationic polymer and a polyhydric alcohol, and the second component contains at least a silicone oil, a higher alcohol, and a cationic surfactant (for example, Patent Document 1). [Prior art documents] [Patent documents]

[0004] [Patent Document 1] Japanese Patent Application Laid-Open No. 2013-40153 Summary of the Invention [Problem to be solved by the invention]

[0005] However, although the multi-component hair treatment composition described in Patent Document 1 leaves hair with excellent softness and bounciness after treatment, it sometimes does not leave hair with an excellent moist feeling after treatment or smoothness when rinsing.

[0006] Furthermore, although multi-component hair treatment compositions impart usability such as hair softness compared to the use of a single component, the ease with which each hair treatment composition is absorbed into the hair varies depending on the combination of hair treatment compositions that are applied separately, and as a result, there has been a problem in that the full effect expected of a multi-component hair treatment composition cannot be obtained.

[0007] The present invention aims to provide a multi-component hair treatment agent in which each hair treatment agent is easily absorbed into the hair, and a multi-component hair treatment agent that leaves hair feeling moist and smooth from the time of rinsing to after finishing. [Means for solving the problem]

[0008] In view of this situation, the present inventors attempted to apply to hair an oil-in-water emulsion composition containing silicone oil, an ester oil that is liquid at 25°C, and a hydrocarbon oil, emulsified with a cationic surfactant, but the moist feeling, suppleness, and non-stickiness of the finished hair were insufficient. Next, we attempted to create a multi-component hair treatment in which we applied an oil-in-water emulsion composition containing a cationic surfactant as a first agent, and then applied a non-aqueous composition as a second agent to improve the moist feeling, suppleness, etc. of the finished hair.However, the first and second agents did not blend well with the hair, and as a result, the moist feeling and non-stickiness of the finished hair were still insufficient in some cases. Furthermore, the inventors investigated methods of applying multi-component hair treatments, and tried a multi-component hair treatment in which a first-component non-aqueous composition containing component (A) silicone oil, component (B) hydrocarbon oil that is liquid at 25°C, and component (C) ester oil that is liquid at 25°C was applied to hair, and then a second-component oil-in-water emulsion composition containing component (D) cationic surfactant and component (E) higher alcohol having 16 or more carbon atoms was applied on top of it.They found that this improved the compatibility of the first and second components with hair, and that the hair was left with excellent moisturized and smooth feel from the time of rinsing until after finishing, thereby completing the present invention.

[0009] That is, the present invention provides the following [1] to

[10] . [1] A multi-component hair treatment agent comprising a first agent and a second agent, The first agent contains components (A) to (C); (A) Silicone oil (B) Hydrocarbon oil that is liquid at 25°C (C) Ester oil that is liquid at 25°C and a non-aqueous composition comprising: The second agent is composed of components (D) and (E); (D) Cationic surfactant (E) Higher alcohols with 16 or more carbon atoms An oil-in-water emulsion composition comprising: A multi-component hair treatment composition in which the first component is applied to the hair and then the second component is applied. [2] The multi-component hair treatment composition according to [1], wherein the component (A) comprises two or more compounds having different kinematic viscosities at 25°C. [3] The multi-component hair treatment composition according to [1] or [2], wherein the component (B) is a volatile hydrocarbon oil. [4] The multi-component hair treatment agent according to any one of [1] to [3], wherein the total content of component (A) and component (B) in the first agent [(A) + (B)] is 60 to 90 mass%. [5] The multi-component hair treatment composition according to any one of [1] to [4], wherein component (C) is an ester of a fatty acid having 8 to 22 carbon atoms and a monohydric alcohol having 2 to 22 carbon atoms, and at least one of the fatty acid and the monohydric alcohol is an ester having a branched chain or a double bond. [6] The multi-component hair treatment composition according to any one of [1] to [5], wherein the component (D) is one or more selected from the group consisting of component (d-1) a single-chain cationic surfactant and component (d-2) a double-chain cationic surfactant. [7] The multi-component hair treatment composition according to any one of [1] to [6], wherein the second component also contains one or more of the components (A) to (C) of the first component. [8] The multi-component hair treatment agent according to any one of [1] to [7], wherein the mass ratio [(B) / (D)] of component (D) in the second agent to component (B) in the first agent is 2 to 700. [9] The multi-component hair treatment agent according to any one of [1] to [8], wherein the mass ratio of component (A) in the first agent to component (B) in the first agent [(A) / (B)] is 0.3 to 8.0.

[10] A hair treatment method comprising the following steps (1) to (3): Step (1) is a step of applying a first agent to hair, The first agent contains components (A) to (C); (A) Silicone oil (B) Hydrocarbon oil that is liquid at 25°C (C) Ester oil that is liquid at 25°C and a non-aqueous composition comprising: Step (2) is a step of applying a second agent to hair, The second agent is composed of components (D) and (E); (D) Cationic surfactant (E) Higher alcohols with 16 or more carbon atoms an oil-in-water emulsion composition comprising Step (3) is a step of applying the first agent to the hair, then applying the second agent on top, and then rinsing it off. [Effects of the Invention]

[0010] The present invention provides excellent compatibility of each hair treatment agent with hair, and excellent moisturizing and smoothness of hair from the time of rinsing to after finishing. Furthermore, the multi-component hair treatment agent of the present invention also provides excellent suppleness and non-stickiness of hair after finishing. DETAILED DESCRIPTION OF THE INVENTION

[0011] Hereinafter, embodiments of the present invention will be described. However, the present invention is not limited to the following embodiments. In this specification, the term "X to Y" indicating a range includes X and Y and means "at least X and at most Y."

[0012] [First agent: non-aqueous composition] The non-aqueous composition of the present invention refers to a composition in which oil (oily agent) is the continuous phase or a composition in which oil (oily agent) is the continuous phase. As long as oil is the continuous phase, it is not particularly limited, and may contain an aqueous component such as water or ethanol. From the viewpoint of formulation stability of the first agent and moist feeling of hair, the content is preferably 1% by mass (hereinafter simply abbreviated as "%") or less, more preferably 0.5% or less, and even more preferably 0.1% or less.

[0013] (Component (A) Silicone oil) The silicone oil component (A) of the first agent of the present invention is not particularly limited as long as it is one typically used in cosmetics, and silicone oils that are liquid at 25°C are preferred. Specific examples include linear silicone oils such as dimethylpolysiloxane and methylphenylpolysiloxane, cyclic silicone oils such as octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane, and modified silicone oils such as amino-modified polysiloxane, fatty acid-modified polysiloxane, higher alcohol-modified polysiloxane, and alkyl-modified polysiloxane. One or more of these may be used. In the present invention, linear silicone oil, cyclic silicone oil, and amino-modified polysiloxane are preferred, and linear silicone oil is more preferred. The use of dimethicone as the linear silicone oil is preferred because it significantly enhances the moist feeling and non-stickiness of the finished hair.

[0014] The content of component (A) in the first agent of the invention is not particularly limited, but is preferably 20% or more, more preferably 30% or more, from the viewpoint of ease of application to hair, and even more preferably 40% or more, from the viewpoint of smoothness during rinsing and moist feeling of hair after finishing. The content of component (A) is preferably 80% or less, more preferably 70%, and even more preferably 60% or less, from the viewpoint of excellent moist feeling and non-stickiness of hair after finishing.

[0015] In the present invention, from the viewpoint of achieving the effects of the present invention more favorably, it is preferable that component (A) contains two or more types of silicone oils having different kinematic viscosities at 25° C. Among these silicone oils with different kinematic viscosities, component (a-1) has a kinematic viscosity of 6000 mm at 25° C. 2 / s or more, and component (a-2) a silicone oil having a kinematic viscosity at 25°C of 5000 mm 2 From the viewpoint of non-stickiness, the component (a-1) is preferably a silicone oil having a viscosity of 100,000 to 10,000,000 mm / s or less. 2 / s is more preferable, and 500,000 to 2,000,000 mm2 From the viewpoint of the ease with which the first agent is absorbed into the hair, the component (a-2) is preferably 5 to 100 mm / s. 2 / s is more preferable, and 6 to 20 mm 2 It is even more preferable that the kinematic viscosity is 1 / s. In the present invention, the kinematic viscosity is a value measured at 25°C according to the ASTM D445 measurement method.

[0016] Furthermore, the proportions of component (a-1) and component (a-2) in component (A) are not particularly limited, but from the viewpoint of improving compatibility with hair and moisturizing feeling after finishing, the content mass ratio [(a-2) / (a-1)] is preferably 1.0 to 10, more preferably 2.0 to 8.0, and even more preferably 2.0 to 6.0.

[0017] (Component (B) Hydrocarbon oil that is liquid at 25°C) The hydrocarbon oil that is liquid at 25°C (component (B)) of the first agent of the present invention is an oil agent composed only of carbon and hydrogen atoms, and examples include linear, branched, and volatile hydrocarbon oils. Here, "liquid at 25°C" refers to one that has a viscosity of 7000 mPa s or less when measured with a Brookfield viscometer (rotor No. 2) at 25°C and 1 atmosphere.

[0018] In the present invention, from the viewpoint of the ease with which the first agent blends with hair, a volatile hydrocarbon oil is preferred. Here, "volatile" refers to a boiling point of 300°C or less at 1 atmosphere. Volatile hydrocarbon oils having a boiling point of 300°C or less at 1 atmosphere are not particularly limited as long as they are those commonly used in cosmetics, but examples include isoparaffinic hydrocarbons, hydrogenated polyisobutene, isododecane, isotetradecane, and isohexadecane. Examples of commercially available products of these include IP Solvent 1620 and IP Solvent 2028 (both manufactured by Idemitsu Kosan Co., Ltd.). These can be used singly or in combination of two or more types.

[0019] The content of component (B) in the first agent of the present invention is not particularly limited, but is preferably 10% or more, more preferably 20% or more, from the viewpoint of the ease with which the first agent blends with the hair, and more preferably 30% or more, from the viewpoint of non-stickiness of the finished hair. The content of component (B) is preferably 70% or less, more preferably 60% or less, and even more preferably 50% or less, particularly from the viewpoint of improving the moist feeling of the finished hair.

[0020] The total content of components (A) and (B) in the first agent of the present invention [(A) + (B)] is preferably 50% or more, more preferably 60% or more, and even more preferably 70% or more, from the viewpoint of moist feeling and suppleness of the finished hair. The total content [(A) + (B)] is preferably 95% or less, and more preferably 90% or less, from the viewpoint of moist feeling and suppleness of the finished hair.

[0021] In the first agent of the present invention, the mass ratio of component (A) to component (B) [(A) / (B)] is preferably 0.3 or more, more preferably 0.5 or more, and from the viewpoint of further improving the compatibility of the second agent with hair and the moist feeling of the finished hair, it is even more preferably 1.0 or more. In addition, the mass ratio [(A) / (B)] is preferably 8.0 or less, more preferably 6.0 or less, and from the viewpoint of the compatibility of the second agent with hair, it is even more preferably 5.0 or less.

[0022] (Component (C) Ester oil that is liquid at 25°C) The ester oil, component (C) of the first agent of the present invention, which is liquid at 25°C, is an ester of a straight-chain or branched-chain fatty acid and a straight-chain or branched-chain monohydric or polyhydric alcohol. Here, "liquid at 25°C" refers to an oil having a viscosity of 4000 mPa s or less when measured at 25°C and 1 atmosphere using a Brookfield viscometer (rotor No. 2).

[0023] In the present invention, from the viewpoint of further improving the compatibility of the second agent with hair, an ester of a fatty acid having 8 to 22 carbon atoms and a monohydric alcohol having 2 to 22 carbon atoms is preferred, and an ester in which at least one of the fatty acid or the monohydric alcohol has a branched chain or a double bond is more preferred. The position or number of the branched chain or double bond is not particularly limited, but at least one of the fatty acid and the monohydric alcohol must have a branched chain or a double bond. The fatty acid preferably has 8 to 22 carbon atoms, and more preferably has 9 to 18 carbon atoms. Specific examples of preferred fatty acids include linear fatty acids such as lauric acid, myristic acid, palmitic acid, and stearic acid; branched fatty acids include 2-ethylhexanoic acid, isononanoic acid, isodecanoic acid, isotridecanoic acid, isomyristic acid, isopalmitic acid, and isostearic acid; and preferred fatty acids with double bonds include oleic acid. The monohydric alcohol preferably has 2 to 22 carbon atoms, more preferably has 2 to 18 carbon atoms, and even more preferably has 2 to 12 carbon atoms. Specific preferred examples include ethanol, propanol, isopropanol, butanol, 2-ethylhexanol, and isononyl alcohol.

[0024] In addition, in the present invention, component (C) preferably has a molecular weight of 400 or less, more preferably 350 or less, from the viewpoint of improving the compatibility of each agent with hair and improving the moist feeling and non-stickiness after finishing. Specific examples include isopropyl laurate, isopropyl myristate, isopropyl palmitate, isopropyl stearate, isononyl isononanoate, isotridecyl isononanoate, and ethyl olivate fatty acid. Among these, in the present invention, isopropyl myristate, isononyl isononanoate, or ethyl olivate fatty acid is even more preferable, and it is particularly preferable to contain at least isopropyl myristate. By containing isopropyl myristate, the effects of the present invention can be more suitably exhibited. These can be used alone or in combination of two or more types.

[0025] The content of component (C) in the first agent of the present invention is not particularly limited, but from the viewpoint of the compatibility of the second agent with hair, it is preferably 0.1% or more, more preferably 0.5% or more, and from the viewpoint of improving the compatibility of the second agent with hair and the moist feeling of the finished hair, it is even more preferably 1.0% or more. Furthermore, from the viewpoint of the compatibility of the first agent with hair, the content of component (C) is preferably 20% or less, more preferably 15% or less, and even more preferably 10% or less, particularly from the viewpoint of improving the compatibility of the first agent with hair and the moist feeling of the finished hair.

[0026] In addition to the above components (A) to (C), other additives may be added to the non-aqueous composition of the first agent of the present invention. Examples of other additives include surfactants, emulsifying aids, oils other than components (A) to (C), powders, UV absorbers, gelling agents, anti-fading agents, antioxidants, cosmetic ingredients, aqueous ingredients such as moisturizers, lower alcohols, polyhydric alcohols, etc., which may be appropriately contained within a range that does not impair the effects of the present invention.

[0027] The oil agent is any oil other than components (A) to (C) that is typically used in cosmetics, and examples thereof include fats and oils, fatty acids, fluorinated oils, lanolin derivatives, and fragrances, regardless of their origin (e.g., animal oil, synthetic oil, etc.) or their properties (e.g., semi-solid oil, liquid oil, volatile oil, etc.).

[0028] (Manufacturing method) The method for producing the first agent of the present invention is not particularly limited, and it can be produced by a general method. Specifically, it can be produced by mixing and dissolving components (A) to (C), although there are no particular limitations thereon.

[0029] [Second agent: oil-in-water emulsion composition] The oil-in-water emulsion composition of the present invention refers to one in which oil (oil agent) is dispersed as particles in water, which is a continuous phase. The content of the oil agent in the oil-in-water emulsion composition of the present invention is not particularly limited, but is preferably 0.1 to 40%, more preferably 0.5 to 30%, even more preferably 0.5 to 20%, and particularly preferably 1 to 20%, in order to suitably exhibit effects such as stability and moisturized feeling of hair after finishing according to the present invention.

[0030] (Component (D) Cationic Surfactant) The cationic surfactant (D) in the second agent of the present invention is not particularly limited, and examples thereof include quaternary ammonium salts, tertiary amines, fatty acid amide amines and their neutralization products, ester amines, etc. Furthermore, examples of structures having a hydrophobic group such as fatty acids include mono-long chain alkyl types, di-long chain alkyl types, and ethylene oxide adduct types, etc. Examples of hydrophilic groups exhibiting cationic properties include ammonium salts and benzalkonium salts, and examples of counter ions include chloride ions, bromide ions, methyl sulfate ions, and ethyl sulfate ions.

[0031] In the present invention, from the viewpoint of smoothness during rinsing and suppleness of hair at the end, component (D) is preferably a single-chain and / or double-chain type, and specific examples thereof include alkyltrimethylammonium chloride, stearyltrimethylammonium chloride, lauryltrimethylammonium chloride, cetyltrimethylammonium chloride, tallow alkyltrimethylammonium chloride, stearyltrimethylammonium bromide, behenyltrimethylammonium bromide, distearyldimethylammonium chloride, dicocoyldimethylammonium chloride, dioctyldimethylammonium chloride, di(POE)oleylmethylammonium chloride (2E.O.), stearyldimethylbenzylammonium chloride, lanolin-derived quaternary ammonium salts, dicocoylethylhydroxyethylmonium methosulfate, distearoylethylhydroxyethylmonium methosulfate, stearic acid diethylaminoethylamide, stearic acid dimethylaminopropylamide, behenic acid amidopropyldimethylhydroxypropylammonium chloride, etc. These may be used alone or in combination of two or more. Among these, from the viewpoint of improving smoothness during rinsing and suppleness of hair at the end, it is preferable to use one or more selected from the group consisting of stearyltrimethylammonium chloride, stearyltrimethylammonium bromide, distearyldimethylammonium chloride, alkyltrimethylammonium chloride, behenyltrimethylammonium bromide, and dicocoyl ethylhydroxyethylmonium methosulfate.

[0032] The content of component (D) in the second agent of the present invention is not particularly limited, but is preferably 0.1% or more, more preferably 0.5% or more, from the viewpoints of smoothness during rinsing and moist feeling of hair after finishing, and is even more preferably 1.0% or more, particularly from the viewpoints of further improving the compatibility of the second agent with hair when applied and the smoothness during rinsing, etc. Furthermore, the content of component (D) is preferably 5.0% or less, more preferably 4.0% or less, from the viewpoints of non-stickiness after finishing, and is even more preferably 3.0% or less, particularly from the viewpoints of further improving the compatibility of the second agent with hair when applied and the smoothness during rinsing, etc.

[0033] In the present invention, from the viewpoint of improving smoothness during rinsing, it is more preferable to use a combination of component (d-1), a single-chain cationic surfactant, and component (d-2), a double-chain cationic surfactant. In the present invention, it is preferable that both component (d-1) and component (d-2) are cationic surfactants composed of ammonium salts. Specifically, component (d-1) is preferably stearyltrimethylammonium chloride, stearyltrimethylammonium bromide, alkyltrimethylammonium chloride, or behenyltrimethylammonium bromide, and more preferably alkyltrimethylammonium chloride or stearyltrimethylammonium chloride. Component (d-2) is preferably distearyldimethylammonium chloride, dicocoyldimethylammonium chloride, or dioctyldimethylammonium chloride, and more preferably distearyldimethylammonium chloride.

[0034] Furthermore, the proportions of component (d-1) and component (d-2) in component (D) are not particularly limited, but from the viewpoint of further improving the familiarity during rinsing, the content mass ratio [(d-1) / (d-2)] is preferably 0.1 to 10, more preferably 0.5 to 6.0, and even more preferably 1.0 to 3.0.

[0035] (Component (E) Higher alcohol with 16 or more carbon atoms) The higher alcohol (E) containing 16 or more carbon atoms in the second agent of the present invention is not particularly limited as long as it is a higher alcohol that can be used in conventional cosmetics, and includes those containing a straight-chain or branched-chain hydrocarbon group. Specific examples include cetyl alcohol, stearyl alcohol, behenyl alcohol, cetostearyl alcohol, lanolin alcohol, hydrogenated lanolin alcohol, oleyl alcohol, 2-octyldodecanol, isostearyl alcohol, and jojoba alcohol. One or more of these may be appropriately selected and used. Those containing a straight-chain hydrocarbon group are particularly preferred, and the use of one or more selected from cetyl alcohol, stearyl alcohol, cetostearyl alcohol, and behenyl alcohol is more preferred, as this allows for the production of a hair cosmetic product that leaves hair with an even more moisturized feel upon application.

[0036] The content of component (E) in the second agent of the present invention is not particularly limited, but from the viewpoint of moist feeling and suppleness of the hair after finishing, it is preferably 0.5% or more, preferably 1.0% or more, and from the viewpoint of improving the moist feeling and non-stickiness of the hair after finishing, it is even more preferably 3.0% or more. Furthermore, from the viewpoint of improving the moist feeling and non-stickiness of the hair after finishing, the content of component (E) is preferably 10% or less, more preferably 8.0% or less, and even more preferably 6.0% or less, from the viewpoint of improving the moist feeling and non-stickiness of the hair after finishing.

[0037] Furthermore, although not particularly limited, the content mass ratio [(B) / (D)] of component (D) in the second agent to component (B) in the first agent is preferably 2 or more, more preferably 4 or more, and even more preferably 10 or more, from the viewpoints of ease of application of the first agent to hair and non-stickiness after finishing, but is not particularly limited, and the content mass ratio [(B) / (D)] is preferably 700 or less, more preferably 400 or less, and even more preferably 200 or less, from the viewpoints of smoothness during rinsing and moist feeling after finishing, etc.

[0038] The second agent of the present invention is an oil-in-water emulsion composition and contains water. The water is used as a dispersion medium for the oil agent and is not particularly limited as long as it is water that is commonly used in cosmetics, but examples thereof include purified water, distilled water, ion-exchanged water, tap water, hot spring water, and deep-sea water. The water content is not particularly limited, but is preferably 10 to 80%, and more preferably 20 to 70%.

[0039] The second agent of the present invention may contain, as appropriate, ingredients other than the essential ingredients of the present invention, to the extent that the effects of the present technology are not impaired, such as oils, surfactants other than component (D), higher alcohols other than component (E), water-soluble polymers, lower alcohols, polyhydric alcohols, powders, resins, deodorants, fresheners, UV absorbers, pH adjusters, chelating agents, plant extracts, amino acids, vitamins, cosmetic ingredients, etc.

[0040] As described above, the second agent of the present invention can contain an oil. Here, the oil can be any oil typically used in cosmetics, regardless of its origin (e.g., animal oil, synthetic oil) or its nature (e.g., semi-solid oil, liquid oil, volatile oil), and examples thereof include hydrocarbon oils, silicone oils, ester oils, fats and oils, fatty acids, fluorinated oils, lanolin derivatives, and fragrances. When applying a hair treatment agent, in order to maximize the effects of the hair treatment agent, its compatibility with the hair upon application is extremely important. In the present invention, containing the same liquid oil as the liquid oil contained in the first agent improves the compatibility of the first and second agents upon application to the hair, and more favorably exhibits the effects of the present invention, such as smoothness upon rinsing and a moist feeling after application, which is preferred. Furthermore, it is more preferable that one or more of the components (A) to (C) of the first agent are also contained in the second agent, and from the viewpoint of further improving smoothness during rinsing and the suppleness and moist feeling of the hair after finishing, it is even more preferable that the second agent also contains component (C) contained in the first agent, and among these, it is particularly preferable that both the first agent and the second agent contain one or more selected from isopropyl myristate, isononyl isononanoate, and ethyl olivate fatty acid.

[0041] The second agent of the present invention can be in various forms such as liquid, gel, emulsion, cream, semi-solid, and solid, among which a liquid to gel form is preferred for achieving the effects of the present invention. Here, liquid to gel means a viscosity measured at 25°C using a Brookfield rotational viscometer of 500,000 mPa s or less, preferably 200,000 mPa s or less, and more preferably 100,000 mPa s or less.

[0042] (Manufacturing method) The method for producing the second agent of the present invention is not particularly limited and can be carried out by a commonly known method, specifically including a dispersion emulsification method, a phase inversion emulsification method, and a phase inversion temperature emulsification method. Any dispersion / emulsification equipment such as a general dispersion equipment may be used as the production equipment. For example, an oil-in-water emulsion composition can be obtained by adding an oil phase in which components (D) and (E) have been heated and dissolved to an aqueous phase, emulsifying and mixing the mixture using a dispersion mixer, and then cooling the mixture.

[0043] [Multiple drugs] In the multi-component hair treatment composition of the present invention, "multi-component" refers to comprising multiple components. "Comprising multiple components" includes multiple components being a set product, and also includes components that are not a set but are indicated to be used in order within a product group.

[0044] The multi-component hair treatment composition of the present invention, which comprises a first agent and a second agent, may also be applied with a third agent and a fourth agent in sequence. The multi-component hair treatment composition of the present invention may also be used on hair after the application of other agents.

[0045] [Hair treatment method] The hair treatment method of the present invention comprises: A hair treatment method comprising the following steps (1) to (3): Step (1) is a step of applying a first agent to hair, The first agent contains components (A) to (C); (A) Silicone oil (B) Hydrocarbon oil that is liquid at 25°C (C) Ester oil that is liquid at 25°C and a non-aqueous composition comprising: Step (2) is a step of applying a second agent to hair, The second agent is composed of components (D) and (E); (D) Cationic surfactant (E) Higher alcohols with 16 or more carbon atoms an oil-in-water emulsion composition comprising Step (3) is a step of applying the first agent to the hair, then applying the second agent on top, and then rinsing it off.

[0046] (Process (1)) Step (1) in the present invention is a step of applying a first agent to hair, The first agent contains components (A) to (C); (A) Silicone oil (B) Hydrocarbon oil that is liquid at 25°C (C) Ester oil that is liquid at 25°C and a non-aqueous composition comprising:

[0047] In step (1) of the present invention, the first agent may be applied to either dry or wet hair, but is preferably applied to wet hair from the viewpoint of spreading the first agent thoroughly over the hair surface, and more preferably to wet hair after washing the hair with a hair wash. Here, the hair wash preferably contains an anionic surfactant as a component from the viewpoint of improving hair strength.

[0048] In step (1) of the present invention, the amount of the first agent applied to the hair is preferably 0.5 to 15 g, more preferably 1 to 10 g. From the viewpoint of improving the compatibility with the hair and the smoothness of the hair surface, the ratio of the mass of the first agent to the dry mass of the hair (mass of first agent / dry mass of hair) is preferably 0.005 to 0.04, more preferably 0.01 to 0.03, and even more preferably 0.015 to 0.02.

[0049] After applying the first agent of the present invention to the hair, it can be blended into the entire hair by using hands such as massaging the first agent into the hair, running a finger through the hair, or tapping the hair, but from the viewpoint of improving the ease of blending into the hair and the smoothness of the hair surface, it is preferable to massage the first agent into the hair.

[0050] In step (1) of the present invention, after the first agent of the present invention has been applied to the entire hair, it may or may not be left for a certain period of time. However, if it is left for a certain period of time, the period of time for leaving it for a certain period of time is preferably within 3 minutes, more preferably within 1 to 3 minutes, and even more preferably within 2 to 3 minutes, from the viewpoint of improving the smoothness of the hair surface, etc.

[0051] After the first agent of the present invention has been applied to the entire hair, it may or may not be rinsed off from the hair before step (2), but it is preferable not to rinse it off from the viewpoint of improving the ease of application to the hair and the smoothness of the hair surface.

[0052] (Process (2)) Step (2) in the present invention is a step of applying a second agent to hair, The second agent is composed of components (D) and (E); (D) Cationic surfactant (E) Higher alcohols with 16 or more carbon atoms The oil-in-water emulsion composition contains:

[0053] The amount of the second agent applied to the hair in step (2) of the present invention is preferably 0.5 to 20 g, more preferably 1 to 15 g. From the viewpoints of improving compatibility with hair, smoothness of the hair surface, and suppleness of the finished hair, the ratio of the mass of the second agent to the dry mass of the hair (mass of second agent / dry mass of hair) is preferably 0.02 to 0.15, more preferably 0.04 to 0.1, and even more preferably 0.06 to 0.08.

[0054] After applying the second agent of the present invention to the hair, it can be blended into the entire hair by using hands such as massaging the second agent into the hair, running a finger through the hair, or tapping the hair, but from the viewpoint of improving the ease of blending into the hair, the smoothness of the hair surface, and the suppleness of the hair after finishing, it is preferable to massage the second agent into the hair.

[0055] In step (2) of the present invention, after the second agent of the present invention has been applied to the entire hair, it is preferably left to stand, from the viewpoint of improving the smoothness of the hair surface and the suppleness of the finished hair. The time for leaving the agent to stand is preferably within 3 minutes, more preferably within 1 to 3 minutes, and even more preferably within 2 to 3 minutes, from the viewpoint of further improving the smoothness of the hair surface and the suppleness of the finished hair.

[0056] After step (2) in the present invention, a step of applying other agents to the hair may or may not be included. In the present invention, from the viewpoint of non-stickiness after finishing, it is preferable to rinse without applying other agents.

[0057] (Step (3)) Step (3) in the present invention is a step of applying the first agent to the hair, then applying the second agent thereon, and then rinsing it off.

[0058] In the present invention, step (1) of applying the first agent to the hair after step (2) of applying the second agent to the hair is not considered, because the second agent does not blend well with the hair and the finished hair does not have a satisfactory moist feeling or non-stickiness. [Example]

[0059] The present invention will be described in more detail below with reference to examples, but the present invention is not limited to these examples.

[0060] Examples 1 to 35 and Comparative Examples 1 to 8: Multi-component hair treatment agents (multi-component hair treatments) Samples (non-aqueous compositions: first agent, Working Formulation Examples 1 to 11, first agent, Comparative Formulation Examples 12 to 14; oil-in-water emulsion compositions: second agent, Working Formulation Examples 1 to 9 and 11, second agent, Comparative Formulation Example 10) were prepared using the compositions shown in Tables 1 and 2 and the manufacturing methods described below. The compositions were applied to hair in the combinations and order shown in Tables 3 to 5, and evaluated using the methods described below for ease of application of the first and second agents to hair, smoothness upon rinsing, moisturized feeling of hair at the end, suppleness of hair at the end, and non-stickiness of hair at the end. The results are also shown in Tables 3 to 5.

[0061] Table 1 (First agent: non-aqueous composition) JPEG0007732854000001.jpg53170Note 1 IP Solvent 2028 (Idemitsu Kosan Co., Ltd.)

[0062] Table 2 (Second agent: oil-in-water emulsion composition) JPEG0007732854000002.jpg84170Note 2 CATINAL DC-80 (manufactured by Toho Chemical Co., Ltd.) Note 3: Lipo card 2HP-75 (manufactured by Lion)

[0063] Table 3 JPEG0007732854000003.jpg131170

[0064] Table 4 JPEG0007732854000004.jpg126170

[0065] Table 5 JPEG0007732854000005.jpg120170

[0066] (Manufacturing method) <Hair Oil (Non-Aqueous Composition): First Agent Formulation Examples 1 to 11, First Agent Comparative Formulation Examples 12 to 14> A: Nos. 1 to 9 were mixed and dissolved uniformly and filled into a specified container to obtain a hair oil. <Conditioner (oil-in-water emulsion composition): Second Agent Formulation Examples 1 to 9, 11, Second Agent Comparative Formulation Example 10> A: Nos. 1 to 9 were heated, mixed and dissolved. B: Nos. 10 to 14 were heated, mixed and dissolved. C: A was added to B and emulsified. D: C was cooled to obtain a conditioner.

[0067] [Evaluation method]: <Easy to blend into hair when applying the first agent>, <Easy to blend into hair when applying the second agent>, <Smoothness of hair surface when rinsing>, <Moisturized feeling of hair after finishing>, <Flexibility of hair after finishing>, <Lack of stickiness of hair after finishing> In Examples 1 to 35 and Comparative Examples 1 to 8, the samples shown in Tables 3 to 5 were applied to the hair of 20 cosmetic expert panelists (hair length: 60 cm) in the order shown. In Tables 3 to 5, "○" indicates application to hair, and the number inside the "○" indicates the order of application to hair. In Tables 3 to 5, "-" indicates not application to hair. For example, Example 1 indicates that Non-aqueous Composition Formulation Example-1 was applied to hair as the first agent, followed by application of oil-in-water emulsion composition Formulation Example-1 as the second agent. Example 5 indicates that Non-aqueous Composition Formulation Example-5 was applied to hair as the first agent, followed by application of oil-in-water emulsion composition Formulation Example-1 as the second agent. Comparative Example 1 indicates that Non-aqueous Composition Formulation Example-1 was applied to hair as the first agent, and no second agent was applied to hair. Comparative Example 2 indicates that Oil-in-water emulsion composition Formulation Example-1 was applied to hair as the first agent, and no second agent was applied to hair.

[0068] The masses of the samples used were as follows: First agent: Example formulation, First agent: Comparative formulation: 1.0g Second agent: Example formulation, Second agent: Comparative formulation: 1.0g

[0069] The application methods for each agent were as follows: The first agent was massaged into the hair to spread it over the entire hair, and then left for 3 minutes. The second agent was massaged into the hair to spread it over the entire hair, and then left for 3 minutes.

[0070] Furthermore, whether or not the sample was washed off was determined as follows. When the first and second agents were applied, the first agent was not washed off after application. When the first and second agents were applied, the second agent was washed off after application. When only the first agent was applied without applying the second agent, the first agent was washed off after application.

[0071] The evaluations of the present invention were carried out by 10 cosmetic expert evaluators, who evaluated the ease of application of the first and second agents to hair according to [evaluation standard (A)], the smoothness of hair when rinsing with a shower after application of the second agent according to [evaluation standard (B)], the moist feeling of hair after application of the second agent, rinsing with a shower and drying with a hair dryer according to [evaluation standard (C)], the suppleness of hair after application according to [evaluation standard (D)], and the non-stickiness of hair after application according to [evaluation standard (E)] on a 5-point scale. Each evaluation was then judged according to the following [Evaluation Method 1].

[0072] [Evaluation criteria (a)] 5-point evaluation criteria: [Score]:[Evaluation result] 5 points: Feels very familiar 4 points: Feels familiar 3 points: Somewhat familiar 2 points: Somewhat difficult to feel familiar 1 point: Not familiar [Evaluation Criteria (b)] 5-point evaluation criteria: [Score]:[Evaluation result] 5 points: Feels very smooth 4 points: Feels smooth 3 points: Somewhat smooth 2 points: Slightly less smooth 1 point: Not smooth [Evaluation criteria (c)] 5-point evaluation criteria: [Score]:[Evaluation result] 5 points: Very moist feeling 4 points: Feels moist 3 points: Slightly moist feeling 2 points: Not very moisturizing 1 point: No moist feeling [Evaluation Criteria (II)] 5-point evaluation criteria: [Score]:[Evaluation result] 5 points: Very supple 4 points: Feels supple 3 points: Somewhat flexible 2 points: Somewhat difficult to feel flexibility 1 point: No flexibility [Evaluation criteria (e)] 5-point evaluation criteria: [Score]:[Evaluation result] 5 points: No stickiness 4 points: Not very sticky 3 points: Slight stickiness but acceptable 2 points: Sticky feeling 1 point: Very sticky [Judgment criteria] [Judgment method 1]: [Average score] ◎: 4.0 or higher ○: 3.0 or more to less than 4.0 △: 2.0 or more to less than 3.0 ×: Less than 2.0

[0073] As is clear from the results in Tables 3 to 5, Examples 1 to 35 were excellent in each of the following categories: "ease of application of the first and second agents to the hair when applied," "smoothness of the hair surface when rinsing," "moist feeling of the hair after finishing," "suppleness of the hair after finishing," and "non-stickiness of the hair after finishing." Comparative Example 1, which did not contain a second agent (oil-in-water emulsion composition), was not satisfactory in terms of "smoothness of the hair surface during rinsing," "softness of the hair after finishing," "moist feeling of the hair after finishing," and "non-stickiness of the hair after finishing." Comparative Example 2, which did not contain a first agent (non-aqueous composition), and Comparative Example 3, which contained the same type of oil as the first agent but did not contain a first agent (non-aqueous composition), were not satisfactory in terms of "softness of the hair after finishing," "moist feeling of the hair after finishing," and "non-stickiness of the hair after finishing." Furthermore, Comparative Examples 4 to 6, which did not contain each of the components (A) to (C) in the first agent, were not satisfactory in terms of "ease of application of the first and second agents to the hair," "moist feeling of the hair after finishing," and "non-stickiness of the hair after finishing." Furthermore, in Comparative Example 7, in which the second agent contained a component other than component (D), satisfactory results were not obtained in terms of "ease of blending into hair when applying the second agent," "smoothness of the hair surface when rinsing," and "moist feeling of hair after finishing." In Comparative Example 8, in which the application order of the first agent, which is a non-aqueous composition, and the second agent, which is an oil-in-water emulsion composition, was reversed, satisfactory results were not obtained in terms of "ease of blending into hair when applying the second agent," "smoothness of the hair surface when rinsing," and "suppleness of hair after finishing."

[0074] Example 36: Multi-drug hair treatment <First Agent: Prescription Example 15 Hair Oil> (Component) (%) 1. Dimethicone (10 million mm at 25°C) 2 / s) 10 2. Dimethicone (100mm at 25℃) 2 / s) 20 3. Dimethicone (10mm at 25℃) 2 / s) 20 4. Light liquid isoparaffin 35 5. Isododecane 5.0 6. Isopropyl myristate 4.0 7. Ethyl oleate 0.1 8. Olive fatty acid ethyl ester 0.1 9. Remaining octyldodecanol 10. Ascorbyl tetradecanoate 0.1 11. BHT 0.05 12.Fragrance 0.5 13. Phenoxyethanol 0.5 14. Baobab oil 0.1 15. Argan oil 0.1 16. Moringa oil 0.1 17. Camellia oil 0.1 <Second Agent: Prescription Example 12 Hair Treatment> (Component) (%) 1. Cetostearyl alcohol 5.0 2. Behenyl alcohol 1.0 3. Glyceryl stearate 0.5 4. Distearyl dimethyl ammonium chloride 0.5 5. Quaternium-33 1.0 6. Dimethicone (100mm at 25℃) 2 / s) 1.0 7. Dimethicone (1 million mm at 25°C) 2 / s) 1.0 8. Dimethicone (10 million mm at 25°C) 2 / s) 1.0 9. Isopropyl myristate 1.0 10. Isononyl isononanoate 1.0 11. Almond oil 0.1 12. EDTA 0.05 13. Remaining purified water 14. Methyl parahydroxybenzoate 0.2 15. Citric acid 0.05 16. Sodium citrate 0.01 17. Stearyltrimethylammonium chloride 1.0 18. Glycerin 5.0 19. Amodimethicone (Note 4) 2.5 20. Diglucosyl gallate 0.05 21. Hydrolyzed soy protein 0.1 22. Hydrolyzed silk 0.1 23. Dipropylene Glycol 1.0 24. Rosemary extract 0.01 25. Acerola extract 0.01 26.Fragrance 0.3 (Note 4) SM8904 Cosmetic Emulsion (manufactured by Toray Dow Corning Co., Ltd.)

[0075] (Manufacturing method) <First Agent: Prescription Example 15 Hair Oil> A: Nos. 1 to 17 were mixed and dissolved uniformly and filled into a specified container to obtain a hair oil. <Second Agent: Prescription Example 12 Hair Treatment> A: Nos. 1 to 11 were heated, mixed and dissolved. B: Nos. 12 to 18 were heated, mixed and dissolved. C: A was added to B and emulsified. D: C was cooled, and Nos. 19 to 26 were added to obtain a hair conditioner.

[0076] (How to use) A Japanese woman (hair length: 60 cm) was given shampoo and rinsed in the shower, after which Formulation Example 15 hair oil was applied as the first agent, massaged into the hair and left for 3 minutes, followed by Formulation Example 12 hair treatment as the second agent, massaged into the hair and left for 3 minutes, after which the hair was rinsed in the shower and dried with a hair dryer.

[0077] The multi-component hair treatment of Example 36 obtained in the manner described above was excellent in each of the following categories: ease of application of the first component to the hair when the second component was applied, smoothness when rinsing, moist feeling of the hair after finishing, suppleness of the hair after finishing, and non-stickiness of the hair after finishing.

[0078] Example 37: Multi-drug hair treatment <First Agent: Prescription Example 16 Hair Oil> (Component) (%) 1. Dimethicone (10 million mm at 25°C) 2 / s) 10 2. Dimethicone (100mm at 25℃) 2 / s) 20 3. Dimethicone (10mm at 25℃) 2 / s) 20 4. Dimethiconol 5.0 5. Light liquid isoparaffin 35 6. Isododecane 5.0 7. Isopropyl myristate 4.0 8. Ethyl oleate 0.1 9. Olive fatty acid ethyl ester 0.1 10. Remaining octyldodecanol <Second Agent: Prescription Example 13 Hair Treatment> (Component) (%) 1. Cetostearyl alcohol 4.0 2. Behenyl Alcohol 2.0 3. Glyceryl stearate 1.0 4. Distearyl dimethyl ammonium chloride 0.5 5. Quaternium-33 1.0 6. Dimethicone (100mm at 25℃) 2 / s) 5.0 7. Dimethicone (1 million mm at 25°C) 2 / s) 1.0 8. Dimethicone (10 million mm at 25°C) 2 / s) 1.0 9. Hydrogenated Polydecene 1.0 10. Avocado oil 0.1 11. Baobab oil 0.1 12. EDTA 0.05 13. Remaining purified water 14. Methyl parahydroxybenzoate 0.2 15. Citric acid 0.05 16. Sodium citrate 0.01 17. Stearyltrimethylammonium chloride 1.5 18. Diglycerin 1.0 19. Amodimethicone (Note 5) 1.0 20. Diglucosyl gallate 0.05 21. Hydrolyzed soy protein 0.1 22. Tocotrienol 0.1 23. Dipropylene Glycol 1.0 24. Nettle extract 0.01 25. Apple mint extract 0.01 26.Fragrance 0.3 (Note 5) BELSIL ADM 1650 (manufactured by Asahi Kasei Wacker Silicone Co., Ltd.)

[0079] (Manufacturing method) <First Agent: Prescription Example 16 Hair Oil> A: Nos. 1 to 10 were mixed and dissolved uniformly and filled into a specified container to obtain a hair oil. <Second Agent: Prescription Example 13 Hair Treatment> A: Nos. 1 to 11 were heated, mixed and dissolved. B: Nos. 12 to 18 were heated, mixed and dissolved. C: A was added to B and emulsified. D: C was cooled, and Nos. 19 to 26 were added to obtain a hair conditioner.

[0080] (How to use) A Japanese woman (hair length: 60 cm) was given shampoo and rinsed in the shower, after which Formulation Example 16 hair oil was applied as the first agent, massaged into the hair and left for 3 minutes, followed by Formulation Example 13 hair treatment as the second agent, massaged into the hair and left for 3 minutes, after which the hair was rinsed in the shower and dried with a hair dryer.

[0081] The multi-component hair treatment of Example 37 obtained in the manner described above was excellent in each of the following categories: ease of application of the first component to the hair when the second component was applied, smoothness when rinsing, moist feeling of the hair after finishing, suppleness of the hair after finishing, and non-stickiness of the hair after finishing.

Claims

1. A multi-component hair treatment agent comprising a first agent and a second agent, The first agent comprises components (A) to (C); (A) Silicone oil (B) Hydrocarbon oil that is liquid at 25°C (C) Ester oil that is liquid at 25°C and a non-aqueous composition comprising: The second agent is composed of components (D) and (E); (D) Cationic surfactant (E) Higher alcohols having 16 or more carbon atoms An oil-in-water emulsion composition comprising: A multi-component hair treatment composition in which the first component is applied to the hair and then the second component is applied.

2. 2. The multi-component hair treatment composition according to claim 1, wherein the component (A) comprises two or more compounds having different kinematic viscosities at 25°C.

3. 3. The multi-component hair treatment composition according to claim 1, wherein the component (B) is a volatile hydrocarbon oil.

4. The multi-component hair treatment agent according to any one of claims 1 to 3, wherein the total content of component (A) and component (B) in the first agent [(A) + (B)] is 60 to 90% by mass.

5. The multi-component hair treatment agent according to any one of claims 1 to 4, wherein component (C) is an ester of a fatty acid having 8 to 22 carbon atoms and a monohydric alcohol having 2 to 22 carbon atoms, and at least one of the fatty acid and the monohydric alcohol is an ester having a branched chain or a double bond.

6. The multi-component hair treatment composition according to any one of claims 1 to 5, wherein component (D) is one or more surfactants selected from component (d-1) a single-chain cationic surfactant and component (d-2) a double-chain cationic surfactant.

7. The multi-component hair treatment composition according to any one of claims 1 to 6, wherein the second component also contains one or more of the components (A) to (C) of the first component.

8. The multi-component hair treatment agent according to any one of claims 1 to 7, wherein the mass ratio [(B) / (D)] of component (D) in the second agent to component (B) in the first agent is 2 to 700.

9. The multi-component hair treatment agent according to any one of claims 1 to 8, wherein the mass ratio [(A) / (B)] of the content of component (A) in the first agent to the content of component (B) in the first agent is 0.3 to 8.

0.

10. A hair treatment method comprising the following steps (1) to (3): Step (1) is a step of applying a first agent to hair, The first agent comprises components (A) to (C); (A) Silicone oil (B) Hydrocarbon oil that is liquid at 25°C (C) Ester oil that is liquid at 25°C and a non-aqueous composition comprising: Step (2) is a step of applying a second agent to hair, The second agent is composed of components (D) and (E); (D) Cationic surfactant (E) Higher alcohols having 16 or more carbon atoms an oil-in-water emulsion composition comprising Step (3) is a step of applying the first agent to the hair, then applying the second agent thereon, and then rinsing it off.

Images