Multi-ingredient hair cosmetics

Abstract

To provide combinational hair cosmetics that can improve both smoothness and softness of finished hair.SOLUTION: Combinational hair cosmetics contain: an A agent that contains a phosphoric anionic surfactant and a higher alcohol, and does not contain a cationic surfactant or contains a cationic surfactant in an amount of 0.1 mass% or less; and a B agent that contains a cationic surfactant and a higher alcohol.SELECTED DRAWING: None

Description

[Technical Field]

[0001] The present invention relates to a multi-component hair cosmetic composition that can improve both smoothness and softness of finished hair. [Background technology]

[0002] With regard to hair cosmetics such as hair treatments, not only single-component products but also multi-component products that combine multiple components with different formulations are known, and attempts have been made to ensure various effects that cannot be achieved with single-component hair cosmetics, for example (Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2014-114237 Summary of the Invention [Problem to be solved by the invention]

[0004] The present invention aims to provide a multi-component hair cosmetic composition that can improve both smoothness and softness of finished hair. [Means for solving the problem]

[0005] The multi-component hair cosmetic composition of the present invention is characterized by comprising: component A, which contains a phosphate-based anionic surfactant and a higher alcohol, and which does not contain a cationic surfactant or contains a cationic surfactant in an amount of 0.1 mass% or less; and component B, which contains a cationic surfactant and a higher alcohol. [Effects of the Invention]

[0006] According to the present invention, it is possible to provide a multi-component hair cosmetic composition that can improve both smoothness and softness of finished hair. DETAILED DESCRIPTION OF THE INVENTION

[0007] Hereinafter, the present invention will be described based on an embodiment of the present invention (hereinafter referred to as the present embodiment).

[0008] The multi-component hair cosmetic composition of this embodiment comprises an agent A containing a phosphate-based anionic surfactant and a higher alcohol, and containing no cationic surfactant or containing 0.1% by mass or less of the cationic surfactant, and an agent B containing a cationic surfactant and a higher alcohol.

[0009] In the case of the multi-component hair cosmetic composition of this embodiment, for example, by applying agent A to wet hair after washing and then subsequently applying agent B without rinsing it off, or by applying agent B and subsequently applying agent A without rinsing it off, and then rinsing it off before drying, the phosphate-based anionic surfactant in agent A and the cationic surfactant in agent B will act synergistically to improve the finished hair's smoothness (the hair feels evenly smooth from the roots to the ends when you run your hand through it) and softness (the hair feels soft when you run your hand through it).

[0010] Furthermore, the multi-component hair cosmetic composition of this embodiment, which contains components A and B, also improves the smoothness of hair when it is rinsed after application (the hair becomes more slippery when rinsed with water, and the feel of the hair surface is less rough).

[0011] [Agent A] Component A in the multi-component hair cosmetic composition of this embodiment contains a phosphate-based anionic surfactant and a higher alcohol.

[0012] The phosphate-based anionic surfactant in Agent A is an anionic surfactant having a phosphate group.

[0013] Examples of the phosphate-based anionic surfactant include those represented by the following general formulas (1) to (3).

[0014] [ka]

[0015] In the above general formula (1), R 1 represents a saturated or unsaturated, linear or branched hydrocarbon group having 8 to 24 carbon atoms, and R 2 represents a saturated or unsaturated linear hydrocarbon group having 8 to 24 carbon atoms, hydrogen, sodium, or potassium, and R 3 represents hydrogen, sodium or potassium.

[0016] [ka]

[0017] In the above general formula (2), R 4 represents a saturated or unsaturated, linear or branched hydrocarbon group having 8 to 24 carbon atoms, and n represents 5 to 20. The value of n is the average number of moles of ethylene oxide added.

[0018] [ka]

[0019] In the above general formula (3), R 5 represents a saturated or unsaturated, linear or branched hydrocarbon group having from 8 to 24 carbon atoms, x represents from 5 to 20, and y represents from 5 to 20. Note that x and y are the average number of moles of propylene oxide and ethylene oxide added, respectively.

[0020] Examples of the phosphate-based anionic surfactant represented by the general formula (1) include phosphate-based anionic surfactants having one or two saturated or unsaturated, linear or branched hydrocarbon groups having from 8 to 24 carbon atoms.

[0021] Examples of the phosphate-based anionic surfactant having one saturated or unsaturated, linear or branched hydrocarbon group having from 8 to 24 carbon atoms include lauryl phosphate, sodium lauryl phosphate, disodium lauryl phosphate, potassium lauryl phosphate, and potassium cetyl phosphate.

[0022] Examples of the phosphate-based anionic surfactants having two saturated or unsaturated, linear or branched hydrocarbon groups having from 8 to 24 carbon atoms include dicetyl phosphate and dioleyl phosphate.

[0023] Examples of the phosphate-based anionic surfactants represented by the general formula (2) include polyoxyethylene cetyl ether phosphates (ceteth-10 phosphate, ceteth-20 phosphate, etc.), polyoxyethylene oleyl ether phosphates (oleth-3 phosphate, oleth-5 phosphate, oleth-10 phosphate, etc.), and polyoxyethylene stearyl ether phosphates (steareth-10 phosphate, etc.).

[0024] Examples of the phosphate-based anionic surfactant represented by the above general formula (3) include polyoxyethylene polyoxypropylene cetyl ether phosphate (PPG-5 ceteth-10 phosphate, etc.).

[0025] In the agent A, only one type of phosphate-based anionic surfactant may be used, or two or more types may be used in combination.

[0026] In addition, as the phosphate-based anionic surfactant to be blended in agent A, from the viewpoint of further improving the softness of the finished product, it is preferable to use one or more types selected from the phosphate-based anionic surfactants represented by the above general formula (1) and the phosphate-based anionic surfactants represented by the above general formula (2).

[0027] The amount of the phosphate anionic surfactant in Agent A is preferably 0.5% by mass or more, and more preferably 1% by mass or more, from the viewpoint of further improving the smoothness and softness of the finished hair when Agents A and B are used in combination. The amount of the phosphate anionic surfactant in Agent A is preferably 5% by mass or less, and more preferably 3% by mass or less, from the viewpoint of further improving the smoothness of the hair when it is rinsed after application.

[0028] Examples of higher alcohols that can be incorporated into Agent A include saturated or unsaturated, linear or branched alcohols having 12 to 22 carbon atoms, such as myristyl alcohol, cetanol, isocetyl alcohol, stearyl alcohol, isostearyl alcohol, behenyl alcohol, octyldodecanol, and oleyl alcohol. Agent A may contain only one of these higher alcohols, or two or more of them may be used in combination.

[0029] The amount of higher alcohol in component A is not particularly limited, but is, for example, 1% by mass or more and 15% by mass or less.

[0030] When Agent A is formulated as a cream, which is a more suitable formulation, the amount of higher alcohol in Agent A is preferably 2% by mass or more, and more preferably 4% by mass or more. When Agent A is formulated as a cream, the amount of higher alcohol in Agent A is preferably 10% by mass or less, and more preferably 8% by mass or less.

[0031] If the amount of cationic surfactant in Agent A is high, the smoothness and softness of the finished hair tend to decrease. Therefore, Agent A does not contain a cationic surfactant, or if a cationic surfactant is contained, its amount is 0.1% by mass or less. In view of the above tendency, it is preferable that Agent A does not contain a cationic surfactant. Examples of cationic surfactants that can be blended in Agent A include one or more of the various cationic surfactants that can be blended in Agent B, which will be described later.

[0032] When a cationic surfactant is blended into Agent A, the blending amount is preferably 0.05% by mass or less, and more preferably 0.01% by mass or less, from the viewpoint of further enhancing the smoothness and softness of the finished hair.

[0033] Water may be blended into Agent A. The blending amount of water in Agent A is, for example, 75% by mass or more and 95% by mass or less.

[0034] In addition to the above components, Agent A may optionally contain various components that are typically incorporated into hair cosmetics. Examples of such optional components include anionic surfactants other than phosphate-based anionic surfactants, nonionic surfactants, polyhydric alcohols, lower alcohols, sugars, oils and fats, ester oils, fatty acids, hydrocarbons, waxes, silicones, synthetic polymers, semi-synthetic polymers, natural polymers, proteins or hydrolysates thereof, amino acids, animal and plant extracts, substances derived from microorganisms, inorganic compounds, fragrances, preservatives, sequestering agents, ultraviolet absorbers, coloring materials, dyes, and pigments.

[0035] For example, when Agent A is in the form of a cream, which is a suitable formulation, it is preferable to incorporate a nonionic surfactant from the viewpoint of enhancing emulsion stability. Examples of nonionic surfactants include polyoxyethylene alkyl ethers, polyoxyethylene polyoxypropylene alkyl ethers, polyoxyethylene fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene hydrogenated castor oil, polyoxyethylene sorbitol tetrafatty acid esters, glycerin fatty acid esters, alkyl glucosides, sorbitan fatty acid esters, polyglycerin fatty acid esters, polyoxyethylene glycerin fatty acid esters, sucrose fatty acid esters, and alkyl alkanolamides. The amount of nonionic surfactant in Agent A is, for example, 0.1% by mass or more and 5% by mass or less.

[0036] Furthermore, from the viewpoint of enhancing softness and ensuring a moist feel when hair treated with the multi-component hair cosmetic composition of this embodiment is finished, it is preferable that ester oil be blended into Agent A. Examples of ester oils include esters of linear fatty acids and lower alcohols such as isopropyl myristate, esters of linear fatty acids and higher linear alcohols such as cetyl palmitate and cetyl caprylate, esters of linear fatty acids and branched alcohols such as 2-ethylhexyl palmitate, esters of branched fatty acids and lower alcohols such as isopropyl isostearate, esters of branched fatty acids and higher linear alcohols such as cetyl ethylhexanoate, esters of fatty acids and polyhydric alcohols such as propylene glycol dicaprylate, esters of branched fatty acids and branched alcohols such as 2-ethylhexyl isononanoate, and esters of dicarboxylic acids and lower alcohols such as diisopropyl adipate. The amount of ester oil blended in Agent A is, for example, 0.1% by mass or more and 5% by mass or less.

[0037] Furthermore, from the viewpoint of enhancing the gloss of hair treated with the multi-component hair cosmetic composition of this embodiment, it is preferable that the composition contains a protein or a hydrolyzate thereof. Known proteins or hydrolyzates thereof may be used, with hydrolyzed keratin being more preferred. The amount of protein or hydrolyzate thereof in Agent A is, for example, 0.1% by mass or more and 0.5% by mass or less.

[0038] The pH of agent A is, for example, from 5 to 8. The pH of agents A, B, and other agents referred to in this specification is a value measured at 25°C using a known pH meter.

[0039] Agent A can be in the form of, for example, a liquid, lotion, cream, gel, etc. From the viewpoint of ease of application to hair, agent A is preferably in the form of a cream. Agent A is, for example, an oil-in-water emulsion.

[0040] When agent A is in the form of a cream, which is a suitable dosage form, its viscosity is, for example, 3,000 mPa s or more and 20,000 mPa s or less. The viscosities of agents A, B, and other agents referred to in this specification are values ​​measured after 60 seconds at 25°C using a B-type viscometer with a rotor selected according to the viscosity.

[0041] [Agent B] Component B in the multi-component hair cosmetic composition of this embodiment contains a cationic surfactant and a higher alcohol.

[0042] Examples of cationic surfactants to be incorporated into Agent B include quaternary ammonium salts having a saturated or unsaturated, linear or branched hydrocarbon chain with 12 to 22 carbon atoms, and tertiary amine salts having a saturated or unsaturated, linear or branched hydrocarbon group with 12 to 22 carbon atoms. Examples of the above salts include halogen salts and alkyl sulfates.

[0043] Examples of quaternary ammonium salts having a saturated or unsaturated, linear or branched hydrocarbon group having from 12 to 22 carbon atoms include mono-long-chain alkyl quaternary ammonium salts (stearyltrimethylammonium chloride, cetyltrimethylammonium chloride, behenyltrimethylammonium chloride, etc.), di-long-chain alkyl quaternary ammonium salts (dicocyldimethylammonium chloride, etc.), and ethylene oxide (EO) adduct quaternary ammonium salts.

[0044] Examples of tertiary amine salts having a saturated or unsaturated, linear or branched hydrocarbon group having from 12 to 22 carbon atoms include fatty acid amidoamines, polyoxyethylene alkylamines (such as polyoxyethylene oleylamine), and polyoxyethylene fatty acid amides.

[0045] In the agent B, only one type of cationic surfactant may be used, or two or more types may be used in combination.

[0046] The amount of cationic surfactant in Agent B is preferably 0.5% by mass or more, and more preferably 1% by mass or more, from the viewpoint of further improving the smoothness and softness of hair when finished by using Agents A and B in combination. The amount of cationic surfactant in Agent B is preferably 5% by mass or less, and more preferably 3% by mass or less, from the viewpoint of further improving the smoothness of hair when rinsed after application.

[0047] Examples of higher alcohols to be added to component B include saturated or unsaturated, linear or branched alcohols having 12 to 22 carbon atoms. The higher alcohols to be added to component A, as exemplified above, can be used. Component B may contain only one type of higher alcohol, or two or more types may be used in combination.

[0048] The amount of higher alcohol in component B is not particularly limited, but is, for example, 1% by mass or more and 15% by mass or less.

[0049] When Agent B is formulated as a cream, which is a more suitable formulation, the blending amount of higher alcohol in Agent B is preferably 1% by mass or more, and more preferably 2% by mass or more. When Agent B is formulated as a cream, the blending amount of higher alcohol is preferably 9% by mass or less, and more preferably 7% by mass or less.

[0050] Water may be blended into Agent B. The blending amount of water in Agent B is, for example, 70% by mass or more and 90% by mass or less.

[0051] The phosphate-based anionic surfactant may or may not be blended in Agent B, but if blended, the blending amount is preferably less than 0.5 mass%. The phosphate-based anionic surfactant refers to the phosphate-based anionic surfactant blended in Agent A exemplified above.

[0052] In addition to the above components, Agent B may optionally contain various components that are commonly used in hair cosmetics. Examples of such optional components include nonionic surfactants, polyhydric alcohols, lower alcohols, sugars, fats and oils, ester oils, fatty acids, hydrocarbons, waxes, silicones, synthetic polymers, semi-synthetic polymers, natural polymers, proteins or hydrolysates thereof, amino acids, animal and plant extracts, substances derived from microorganisms, inorganic compounds, fragrances, preservatives, sequestering agents, ultraviolet absorbers, coloring materials, dyes, and pigments.

[0053] To enhance the smoothness of hair treated with the multi-component hair cosmetic composition of this embodiment, it is preferable that silicone be blended into Agent B. Examples of silicones include one or more of methylphenylpolysiloxane, decamethyltrisiloxane, methylpolysiloxane, highly polymerized methylpolysiloxane, decamethylcyclopentasiloxane, dimethiconol, highly polymerized dimethiconol, polyoxyethylene-methylpolysiloxane copolymer, aminoethylaminopropylsiloxane-dimethylsiloxane copolymer, aminoethylaminopropylmethylsiloxane-dimethylsiloxane copolymer, trimethylsiloxysilicate, methylhydrogenpolysiloxane, caprylyl methicone, and lauryl dimethicone. The amount of silicone in Agent B is, for example, 0.5% by mass to 15% by mass.

[0054] From the viewpoint of further improving the softness of the finished hair, it is preferable that Agent B contains one or more ester oils. As the ester oil, those exemplified above as the ester oils that can be contained in Agent A can be used. When ester oil is contained in Agent B, the amount of the ester oil contained is, for example, 0.1% by mass or more and 5% by mass or less.

[0055] The pH of agent B is, for example, 3 or more and 6 or less.

[0056] Component B can be in the form of, for example, a liquid, lotion, cream, gel, etc. Component B is preferably in the form of a cream from the viewpoint of ease of application to hair. Agent B is, for example, an oil-in-water emulsion.

[0057] When agent B is in the form of a cream, which is a suitable dosage form, its viscosity is, for example, 5,000 mPa·s or more and 30,000 mPa·s or less.

[0058] [Configuration of multi-component hair cosmetic composition] The multi-component hair cosmetic composition according to this embodiment may be composed of only components A and B, but may also contain one or more other treatment agents as needed.

[0059] (Pretreatment agent) For example, a multi-component hair cosmetic composition may include components A and B, as well as a pretreatment component to be used before the components A and B are used.

[0060] The pretreatment agent may be a mixture of a cationic surfactant and a higher alcohol.

[0061] Examples of cationic surfactants that can be incorporated into the pretreatment agent include one or more of the cationic surfactants that can be incorporated into the above-mentioned agent B. The amount of cationic surfactant incorporated into the pretreatment agent is, for example, 1.5% by mass or more and 3% by mass or less.

[0062] Examples of higher alcohols that can be incorporated into the pretreatment agent include one or more of the higher alcohols previously exemplified for use in agent A. The amount of higher alcohol incorporated into the pretreatment agent is, for example, 1.5% by mass or more and 5% by mass or less.

[0063] The pretreatment agent may contain water. The amount of water in the pretreatment agent is, for example, 70% by mass or more and 90% by mass or less.

[0064] The pretreatment agent may or may not contain a phosphate-based anionic surfactant, but if it does, the amount is preferably less than 0.5 mass%. The phosphate-based anionic surfactant refers to the phosphate-based anionic surfactant contained in Agent A, as exemplified above.

[0065] In addition to the above components, the pretreatment agent may optionally contain various components that are contained in ordinary hair cosmetics. Examples of such optional components include nonionic surfactants, polyhydric alcohols, lower alcohols, sugars, fats and oils, ester oils, fatty acids, hydrocarbons, waxes, silicones, synthetic polymers, semi-synthetic polymers, natural polymers, proteins or hydrolysates thereof, amino acids, animal and plant extracts, substances derived from microorganisms, inorganic compounds, fragrances, preservatives, sequestering agents, ultraviolet absorbers, coloring materials, dyes, pigments, etc.

[0066] From the viewpoint of further enhancing the softness of the finished hair, it is preferable that the pre-treatment agent contains one or more ester oils. As the ester oil, those exemplified above as the ester oils that can be contained in Agent A can be used. When an ester oil is contained in the pre-treatment agent, the amount of the ester oil contained is, for example, 0.1% by mass or more and 5% by mass or less.

[0067] From the viewpoint of further enhancing the softness of the finished product, the pretreatment agent preferably contains one or more anionic polymers. When the pretreatment agent contains one or more anionic polymers, the amount of the polymers contained therein is not particularly limited, but is, for example, from 0.1% to 8% by mass.

[0068] Examples of the anionic polymer include hydroxypropyl starch phosphate, hyaluronic acid or its salts, acrylates / steareth-20 methacrylate copolymer, etc. From the viewpoint of further enhancing the softness of the finished hair, it is preferable that hydroxypropyl starch phosphate be blended into the pretreatment agent (the preferred blending amount of hydroxypropyl starch phosphate is 4% by mass or more and 6% by mass or less).

[0069] The pretreatment agent may contain one or more silicones, or may contain no silicone. When the pretreatment agent contains silicone, the silicones that can be contained in Agent B, as exemplified above, can be used, and the amount of silicone contained is, for example, 0.1% by mass or more and less than 0.5% by mass.

[0070] The pretreatment agent may be in the form of, for example, a liquid, lotion, cream, gel, etc. From the viewpoint of ease of application to hair, a cream-like pretreatment agent is preferred. The pretreatment agent is, for example, an oil-in-water emulsion.

[0071] The pH of the pretreatment agent is, for example, 3 or more and 8 or less.

[0072] When the pretreatment agent is in the form of a cream, which is a suitable dosage form, its viscosity is, for example, 5,000 mPa·s or more and 30,000 mPa·s or less.

[0073] (Post-treatment agent) Furthermore, multi-component hair cosmetics may include, for example, components A and B, as well as a post-treatment component to be used after the components A and B have been used.

[0074] The post-treatment agent may include a compound containing a cationic surfactant and a higher alcohol.

[0075] Examples of cationic surfactants that can be incorporated into the post-treatment agent include one or more of the cationic surfactants previously exemplified for incorporation into agent B. The amount of cationic surfactant incorporated into the post-treatment agent is, for example, 1.5% by mass or more and 3% by mass or less.

[0076] Examples of higher alcohols that can be incorporated into the post-treatment agent include one or more of the higher alcohols previously exemplified for incorporation into Agent A. The amount of higher alcohol incorporated into the post-treatment agent is, for example, 4% by mass or more and 8% by mass or less.

[0077] The post-treatment agent may contain water. The amount of water in the post-treatment agent is, for example, 70% by mass or more and 90% by mass or less.

[0078] The post-treatment agent may or may not contain a phosphate-based anionic surfactant, but if it does, the amount is preferably less than 0.5 mass%. The phosphate-based anionic surfactant refers to the phosphate-based anionic surfactant contained in Agent A, exemplified above.

[0079] The post-treatment agent may be in the form of, for example, a liquid, lotion, cream, gel, etc. From the viewpoint of ease of application to hair, a cream-like post-treatment agent is preferred. The post-treatment agent is, for example, an oil-in-water emulsion.

[0080] In addition to the above components, the post-treatment agent may optionally contain various components that are incorporated into ordinary hair cosmetics. Examples of such optional components include nonionic surfactants, polyhydric alcohols, lower alcohols, sugars, fats and oils, ester oils, fatty acids, hydrocarbons, waxes, silicones, synthetic polymers, semi-synthetic polymers, natural polymers, proteins or hydrolysates thereof, amino acids, animal and plant extracts, substances derived from microorganisms, inorganic compounds, fragrances, preservatives, sequestering agents, ultraviolet absorbers, coloring materials, dyes, pigments, etc.

[0081] It is preferable that the post-treatment agent contains one or more silicones, as this will improve the smoothness of the finish. The silicones that can be contained in Agent B, as exemplified above, can be used as the silicones.

[0082] When silicone is blended into the post-treatment agent, the blending amount is, for example, from 0.5% to 10% by mass (from the perspective of further enhancing the smoothness of the finish, the blending amount of silicone is preferably from 5% to 10% by mass).

[0083] The pH of the post-treatment agent is, for example, 3 or more and 8 or less.

[0084] When the after-treatment agent is in the form of a cream, which is a suitable formulation, its viscosity is, for example, 5,000 mPa·s or more and 30,000 mPa·s or less.

[0085] In the multi-component hair cosmetic composition of this embodiment, the pre-treatment agent or the post-treatment agent may have the same component composition as Agent B.

[0086] The pretreatment agent may contain, for example, a cationic surfactant, a higher alcohol, and an ester oil, and may contain no silicone or less than 0.5% by mass of silicone.

[0087] Furthermore, the post-treatment agent may contain, for example, 0.5% by mass or more of a cationic surfactant, a higher alcohol, and a silicone.

[0088] A specific example of a multi-component hair cosmetic containing a pre-treatment agent or a post-treatment agent is a three-component multi-component hair cosmetic that combines component A with component B(i) containing ester oil along with a cationic surfactant, a higher alcohol, and water, with no silicone or less than 0.5% by mass of silicone, and component B(ii) containing at least 0.5% by mass of silicone along with a cationic surfactant, a higher alcohol, and water. The three-component multi-component hair cosmetic can be used, for example, in the following steps (3-1) to (3-4).

[0089] (3-1) A procedure comprising the steps of: applying agent B(i) to hair as a pretreatment agent; and applying agent A and agent B(ii) to hair in that order, or applying agent B(ii) and agent A to hair in that order. (3-2) A procedure comprising the steps of: applying agent B(ii) to the hair as a pretreatment agent; and applying agent A and agent B(i) to the hair in that order, or applying agent B(i) and agent A to the hair in that order. (3-3) A procedure comprising the steps of: applying agent A and then agent B(ii) to the hair, or applying agent B(ii) and then agent A to the hair; and applying agent B(i) to the hair as a post-treatment agent. (3-4) A procedure comprising the steps of: applying agent A and then agent B(i) to the hair, or applying agent B(i) and then agent A to the hair; and applying agent B(ii) to the hair as a post-treatment agent.

[0090] Further examples of multi-component hair cosmetics containing pre-treatment and post-treatment agents with the same component composition as component B include four-component multi-component hair cosmetics that combine component A with component B(a), which contains a cationic surfactant, a higher alcohol, water, and an ester oil, with no silicone or less than 0.5% by weight of silicone, component B(b), which differs from component B(a) in that at least one of the cationic surfactant, higher alcohol, and ester oil is changed, or only the amounts of the components are changed, and component B(c), which contains a cationic surfactant, higher alcohol, water, and at least 0.5% by weight of silicone. The above four-component multi-component hair cosmetics can be used, for example, according to the procedures shown in (4-1) to (4-6) below.

[0091] (4-1) A procedure comprising the steps of: applying agent B(a) to hair as a pre-treatment agent; applying agents A and B(b) in that order, or applying agents B(b) and A in that order; and applying agent B(c) to hair as a post-treatment agent. (4-2) A procedure comprising the steps of: applying agent B(a) to hair as a pre-treatment agent; applying agents A and B(c) in that order, or applying agents B(c) and A in that order; and applying agent B(b) to hair as a post-treatment agent. (4-3) A procedure comprising the steps of: applying B(b) to the hair as a pre-treatment agent; applying agent A and then agent B(a) to the hair, or applying agent B(a) and then agent A to the hair; and applying agent B(c) to the hair as a post-treatment agent. (4-4) A procedure comprising the steps of: applying B(b) to the hair as a pre-treatment agent; applying agent A and then agent B(c) to the hair in that order, or applying agent B(c) and then agent A to the hair in that order; and applying agent B(a) to the hair as a post-treatment agent. (4-5) A procedure comprising the steps of: applying B(c) to the hair as a pre-treatment agent; applying B(a) and then A to the hair in that order, or applying B(a) and then A to the hair in that order; and applying B(b) to the hair as a post-treatment agent. (4-6) A procedure comprising the steps of: applying B(c) to the hair as a pre-treatment agent; applying B(b) and then A to the hair in that order, or applying B(b) and then A to the hair in that order; and applying B(a) to the hair as a post-treatment agent.

[0092] Furthermore, the multi-component hair cosmetic composition of this embodiment may also contain hair treatment agents other than Agents A and B, as well as the pre-treatment agent and post-treatment agent. There are no particular restrictions on the ingredients of the hair treatment agents other than Agents A and B, the pre-treatment agent, and the post-treatment agent in the multi-component hair cosmetic composition, as long as the effects of the present invention are not impaired, and they can be selected as appropriate.

[0093] Examples of multi-component hair cosmetics of this embodiment include two-component hair cosmetics (containing Agent A and Agent B), three-component hair cosmetics (containing Agent A, Agent B, and a pre-treatment agent or a post-treatment agent), four-component hair cosmetics (containing a pre-treatment agent, Agent A, Agent B, and a post-treatment agent), and five-component hair cosmetics (containing a pre-treatment agent, Agent A, Agent B, a post-treatment agent, and hair treatment agents other than the pre-treatment agent and the post-treatment agent).

[0094] [Method of use of multi-component hair cosmetic composition] The multi-component hair cosmetic composition according to this embodiment can be used, for example, by applying agent A to wet hair and then applying agent B to the hair without rinsing it off (applying agent A over agent), or by applying agent B to wet hair and then applying agent A to the hair without rinsing it off (applying agent B over agent). That is, when using the multi-component hair cosmetic composition according to this embodiment, there are no particular restrictions on the order in which agents A and B are applied to the hair, and either may be applied first (the same applies to multi-component hair cosmetic compositions comprising a pre-treatment agent, a post-treatment agent, or both, and to multi-component hair cosmetic compositions comprising hair treatment agents other than agents A, B, and the pre- and post-treatment agents). It is also possible to apply agent A to the hair, then apply agent B, and then apply agent A again, or to apply agent B to the hair, then apply agent A, and then apply agent B again. The multi-component hair cosmetic composition according to this embodiment is preferably used by applying component A followed by component B, from the viewpoint of further enhancing the smoothness and softness of the finished hair (the same applies to multi-component hair cosmetic compositions containing either a pre-treatment agent, a post-treatment agent, or both, and to multi-component hair cosmetic compositions containing hair treatment agents other than components A, B, pre-treatment agents, and post-treatment agents).

[0095] In the case of a multi-component hair cosmetic composition that also contains a pre-treatment agent, the pre-treatment agent is applied to wet hair before application of agents A and B, and then, without rinsing it off, agents A and B are applied over it. Furthermore, in the case of a multi-component hair cosmetic composition that also contains a post-treatment agent, the post-treatment agent is applied over hair after agents A and B have been applied, without rinsing off agents A and B.

[0096] Furthermore, in multi-component hair cosmetics that also contain hair treatment agents other than Agent A, Agent B, pre-treatment agent, and post-treatment agent, there are no particular restrictions on the order in which the hair treatment agents are applied to the hair, but it is more preferable not to apply the hair treatment agent between Agent A and Agent B (i.e., it is more preferable to apply Agent A and Agent B to the hair consecutively).

[0097] When applying agent A, agent B, a pre-treatment agent, a post-treatment agent, or other hair treatment agents to hair, an appropriate amount can be taken in the palm of one's hand and applied.

[0098] The multi-component hair cosmetic composition of the present embodiment is used, for example, by applying the multi-component hair cosmetic composition to hair, rinsing it off, and then drying it.

[0099] [Uses of multi-ingredient hair cosmetics] The multi-component hair cosmetic composition according to this embodiment can be used as a multi-component hair treatment to be applied to hair after washing with shampoo, and can also be used as a pre-treatment agent, intermediate treatment agent and post-treatment agent for hair transformation treatments such as permanent wave treatment and hair straightening treatment, as well as a pre-treatment agent and post-treatment agent for hair color treatment. [Example]

[0100] The present invention will be described in detail below based on examples. However, the following examples do not limit the present invention. In Table 1 below, the blending amount of each component is shown in % so that the total of Agents A1 to A10 is 100%, and in Table 2, the total of Agents B1 to B3 is 100%, but all of these % are mass %. Furthermore, in these tables, the % indication is omitted, and only the numerical value indicating the blending amount is shown.

[0101] Preparation of agents A1 to A10 Agents A1 to A10 were prepared using dicetyl phosphate, ceteth-10 phosphate, dioleyl phosphate, oleth-5 phosphate, potassium cetyl phosphate (potassium cetyl phosphate), PPG-5 ceteth-10 phosphate, sodium dilauroyl glutamate lysine (sodium dilauroyl glutamate lysine), sodium laureth sulfate, stearyl trimethylammonium chloride, N-[3-alkyl(12,14)oxy-2-hydroxypropyl]-L-arginine hydrochloride, ethanol, cetearyl alcohol, cetyl alcohol, stearyl alcohol, phenoxyethanol, and water, with the compositions shown in Table 1. The pH of agents A1 to A10 was within the range of 5 to 8, and their viscosities were within the range of 3,000 mPa·s to 20,000 mPa·s. Agents A1 to A10 were oil-in-water emulsions and had a cream-like formulation.

[0102] [Table 1]

[0103] In Table 1, the "total 100" in the water column means that the amount of water is added to the total amount of each component other than water that makes up agents A1 to A10 to make up 100%.

[0104] Preparation of B1 to B3 agents Agents B1 to B3 were prepared using behenyltrimethylammonium chloride, stearyltrimethylammonium chloride, dicocoyldimethylammonium chloride, stearyl alcohol, cetyl alcohol, aminoethylaminopropylmethylsiloxane-dimethylsiloxane copolymer, dimethylpolysiloxane, diisopropyl adipate, cetyl palmitate, isopropanol, olive oil, meadowfoam oil, dihydroxypropylarginine HCl, polyoxyethylene sorbitol tetraoleate (60E.O.), hydroxypropyl starch phosphate, phenoxyethanol, fragrance, and water, with the compositions shown in Table 2. The pH of Agents B1 to B3 was within the range of 3 to 6, and their viscosities were within the range of 5,000 mPa·s to 30,000 mPa·s. Agents B1 to B3 were oil-in-water emulsions in cream form.

[0105] [Table 2]

[0106] In Table 2, the "total 100" in the water column means that the amount of water is added to the total amount of each component other than water that makes up agents B1 to B3 to make up 100%.

[0107] Example 1 Agent A1 and agent B3 were combined to obtain a multi-agent hair cosmetic.

[0108] Example 2 Agent B1 and Agent A1 were combined to obtain a multi-component hair cosmetic.

[0109] Comparative Example 1 Agents B1 and B3 were combined to obtain a multi-agent hair cosmetic.

[0110] The multi-component hair cosmetic compositions of Examples 1 and 2 and Comparative Example 1 were evaluated as follows.

[0111] Several hair bundles, each approximately 20 cm long and weighing 5 g, were prepared from the hair of a Japanese woman with a history of oxidative hair dyeing. These hair bundles were washed with an aqueous solution of sodium laureth sulfate and lightly rinsed with tap water.

[0112] After rinsing, 0.5 g of the first agent shown in Table 3 was applied to the wet hair bundle, followed by a second application of 0.5 g of the second agent shown in Table 3. The applied hair bundle was then rinsed with tap water and evaluated for smoothness (the hair felt smooth when rinsed with water and had little roughness on the hair surface). The evaluation was carried out by 10 panelists who routinely evaluate hair cosmetics, who each assigned a score according to the following evaluation criteria.

[0113] (Evaluation standard for smoothness of hair after rinsing) 5 points: Very good, 4 points: better, 3 points: good, 2 points: somewhat bad, 1 point: Bad.

[0114] The average score given by each panelist was calculated and ranked according to the following criteria.

[0115] (Ranking criteria for average evaluation score) ○: Average score is 3.7 points or more, △: Average score is 3 points or more but less than 3.7 points; ×: Average score is less than 3 points.

[0116] Furthermore, each hair bundle evaluated for smoothness upon rinsing was dried with a hair dryer, and the finished smoothness (the uniform smooth feel from the roots to the ends when running your hands through the hair) and softness (the soft feel when running your hands through the hair) were evaluated. Each of the 10 panelists evaluated the hair by scoring it according to the following evaluation criteria.

[0117] (Evaluation criteria for smoothness and softness of hair at the end) 5 points: Very good, 4 points: better, 3 points: good, 2 points: somewhat bad, 1 point: Bad.

[0118] The average score given by each panelist was then calculated, and the average score for the smoothness of the finished hair and the average score for the softness of the finished hair were added together to give an overall evaluation according to the following criteria.

[0119] (Comprehensive evaluation criteria for smoothness of hair at the time of finishing and softness of hair at the time of finishing) ○: The total of both average scores is 7 points or more, ×: The total of both average scores is less than 7 points.

[0120] The results of the above evaluations are shown in Table 3. The numbers in parentheses in the column "Smoothness during rinsing" in Table 3 represent the average scores of each panelist (the same applies to Tables 4 to 8 below).

[0121] [Table 3]

[0122] As shown in Table 3, hair treated with the multi-component hair cosmetic compositions of Examples 1 and 2, which contained Agent A and Agent B, had good smoothness upon rinsing and good overall evaluation results upon finishing. In contrast, hair treated with the multi-component hair cosmetic composition of Comparative Example 1, which contained only Agent B, had poor smoothness upon finishing.

[0123] Furthermore, hair treated with the multi-component hair cosmetic composition of Example 1, in which Agent A and Agent B were used in that order, was smoother upon rinsing and had better smoothness and softness at the end than hair treated with the multi-component hair cosmetic composition of Example 2, in which Agent B and Agent A were used in that order.

[0124] Example 3 Agents B1, A1, and B3 were combined to obtain a multi-component hair cosmetic.

[0125] The multi-component hair cosmetic composition of Example 3 was evaluated for hair smoothness upon rinsing, for hair smoothness and softness upon finish, and for overall hair condition upon finish, in the same manner as the multi-component hair cosmetic composition of Example 1. When applying the multi-component hair cosmetic composition of Example 3 to wet hair strands, 0.5 g of the first agent shown in Tables 4 and 5 was applied, followed by an overcoat of 0.5 g of the second agent shown in Tables 4 and 5, and then by an overcoat of 0.5 g of the third agent shown in Tables 4 and 5.

[0126] The results of each of the above evaluations are shown in Table 4, along with the evaluation results of the multi-component hair cosmetic preparation of Example 1 (two-component hair cosmetic preparation). In Table 4, for ease of comparison, agent A1 of the multi-component hair cosmetic preparation of Example 1 is listed in the "Second Composition" column, and agent B3 of the same preparation is listed in the "Third Composition" column.

[0127] [Table 4]

[0128] The multi-component hair cosmetic composition of Example 3 can be said to contain agent B1 as a pretreatment agent when compared to the multi-component hair cosmetic composition of Example 1. As shown in Table 4, hair treated with the multi-component hair cosmetic composition of Example 3 had good overall evaluation results for smoothness upon rinsing and at the time of finishing, and was more smooth and soft at the time of finishing than hair treated with the multi-component hair cosmetic composition of Example 1.

[0129] The evaluation results of the hair treated with the multi-component hair cosmetic of Example 3 are shown in Table 5, along with the evaluation results of the multi-component hair cosmetic of Example 2 (two-component hair cosmetic).

[0130] [Table 5]

[0131] The multi-component hair cosmetic composition of Example 3 can be said to contain agent B3 as a post-treatment agent when compared with the multi-component hair cosmetic composition of Example 2. As shown in Table 5, hair treated with the multi-component hair cosmetic composition of Example 3 was smoother upon rinsing and had better smoothness and softness at the end than hair treated with the multi-component hair cosmetic composition of Example 2.

[0132] Examples 4 to 6, Comparative Examples 2 to 5 As shown in Table 6, multi-component hair cosmetics of Examples 4 to 6 and Comparative Examples 2 to 5 were obtained in the same manner as in Example 3, except that one of agents A2 to A8 was used instead of agent A1.

[0133] The multi-component hair cosmetics of Examples 4 to 6 and Comparative Examples 2 to 5 were evaluated for hair smoothness upon rinsing, for hair smoothness and softness upon finishing, and for overall hair condition upon finishing, in the same manner as for the multi-component hair cosmetic of Example 3. The results of these evaluations are shown in Table 6, along with the evaluation results for the multi-component hair cosmetic of Example 3.

[0134] [Table 6]

[0135] As shown in Table 6, the hair treated with the multi-component hair cosmetics of Examples 4 to 6 had good smoothness upon rinsing and good overall evaluation results upon finishing, similar to the multi-component hair cosmetics of Example 3.

[0136] In addition, Agents A5 to A8 contain other surfactants instead of the phosphate-based anionic surfactant (Agents A5 and A6 contain an anionic surfactant other than a phosphate-based anionic surfactant, Agent A7 contains a cationic surfactant, and Agent A8 contains an amphoteric surfactant), and hair treated with the multi-component hair cosmetics of Comparative Examples 2 to 5, in which these were used in place of Agent A, was inferior in smoothness upon rinsing, and also inferior in either smoothness upon finishing or softness upon finishing, or both.

[0137] Comparative Examples 6 and 7 Multi-component hair cosmetics of Comparative Examples 6 and 7 were obtained in the same manner as in Example 3, except that agent A9 or A10 was used instead of agent A1.

[0138] The multi-component hair cosmetics of Comparative Examples 6 and 7 were evaluated for hair smoothness upon rinsing, for hair smoothness and softness upon finishing, and for overall hair condition upon finishing in the same manner as for the multi-component hair cosmetic of Example 3. The results of these evaluations are shown in Table 7, along with the evaluation results for the multi-component hair cosmetic of Example 3.

[0139] [Table 7]

[0140] Agents A9 and A10 contain a relatively large amount of cationic surfactant combined with a phosphate-based anionic surfactant. Hair treated with the multi-component hair cosmetics of Comparative Examples 6 and 7, in which these agents were used in place of Agent A, was inferior in smoothness upon rinsing and in smoothness and softness upon finishing compared to hair treated with the multi-component hair cosmetic of Example 3.

[0141] Examples 7 and 8 Multi-component hair cosmetics of Examples 7 and 8 were obtained in the same manner as in Example 3, except that agent B2 or B3 was used instead of agent B1.

[0142] The multi-component hair cosmetics of Examples 7 and 8 were evaluated for hair smoothness upon rinsing, for hair smoothness and softness upon finishing, and for overall hair condition upon finishing, in the same manner as for the multi-component hair cosmetic of Example 3. The results of these evaluations are shown in Table 8, along with the evaluation results for the multi-component hair cosmetic of Example 3.

[0143] [Table 8]

[0144] Agent B2 is a different cationic surfactant from Agent B1, and hair treated with the multi-component hair cosmetic composition of Example 7 using this agent exhibited good smoothness upon rinsing and good overall evaluation results upon finishing, similar to hair treated with the multi-component hair cosmetic composition of Example 3.

[0145] The multi-component hair cosmetic of Example 8 is similar to the multi-component hair cosmetic of Example 1 in that it is composed only of agents A1 and B3, but differs from treatment with the multi-component hair cosmetic of Example 1 in that agent B3 was applied before and after agent A1 was applied to the hair during treatment, and particularly differs from treatment with the multi-component hair cosmetic of Example 3 in that agent B3, which contains silicone, is used as the first agent. Hair treated with the multi-component hair cosmetic of Example 8 showed particularly excellent smoothness at the end compared to treatment with the multi-component hair cosmetic of Example 3, for example.

[0146] Prescription example 1 The multi-component hair cosmetic of Formulation Example 1 uses agent A1 shown in Table 1, agents B1 and B3 shown in Table 2, and agent B4, which has a composition in which 0.5% by mass of water in agent B2 shown in Table 2 has been replaced with only 0.5% by mass of dimethylpolysiloxane, and is used by successively applying appropriate amounts of each agent to hair in the order of agents B1, A1, B4, and B3 without rinsing them off. This multi-component hair cosmetic of Formulation Example 1 contains agent B1 as a pre-treatment agent and agent B3 as a post-treatment agent.

Claims

1. an agent A containing a phosphate-based anionic surfactant and a higher alcohol, and not containing a cationic surfactant, or containing a cationic surfactant in an amount of 0.1% by mass or less; Agent B contains a cationic surfactant and a higher alcohol The present invention is characterized by comprising: The agent A is applied to the hair, and then the agent B is applied, or the agent B is applied to the hair, and then the agent A is applied, The multi-component hair cosmetic is selected from a multi-component hair treatment, a pre-treatment agent for hair transformation treatment, an intermediate treatment agent for hair transformation treatment, a post-treatment agent for hair transformation treatment, a pre-treatment agent for hair color treatment, and a post-treatment agent for hair color treatment.

2. 2. The multi-component hair cosmetic composition according to claim 1, further comprising a pretreatment agent that contains a cationic surfactant and a higher alcohol and is used before applying the agent A and the agent B.

3. Agent A, which contains a phosphate-based anionic surfactant and a higher alcohol, and which does not contain a cationic surfactant or which contains a cationic surfactant in an amount of 0.1 mass% or less; Agent B containing a cationic surfactant and a higher alcohol; A pretreatment agent containing a cationic surfactant and a higher alcohol, which is used before using the agent A and the agent B. The present invention is characterized by comprising: This multi-component hair cosmetic is used by applying the component A to the hair and then applying the component B, or by applying the component B to the hair and then applying the component A.

4. The multi-component hair cosmetic composition according to any one of claims 1 to 3, wherein the content of the cationic surfactant in the component B is 0.5% by mass or more.

5. The multi-component hair cosmetic composition according to any one of claims 1 to 4, which contains a cationic surfactant and a higher alcohol, and further comprises a post-treatment agent to be used after use of the component A and the component B.

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