JP2002193752A - Hair-treating agent - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new hair-treating agent imparting excellent moisture- retaining property, smoothness, softness and elasticity to the hair. SOLUTION: This hair-treating agent is characterized by including (A) one or two or more kinds of wax diesters represented by the following general formula (1) (wherein R1 is a 10-24C straight-chain or branched chain alkyl group; R2 is a 1-31C straight-chain or branched chain alkyl group; R3 is a 1-31C straight-chain or branched chain alkyl group) and (B) one or two or more kinds of non-volatile silicones.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a novel hair treatment agent which imparts excellent moisture retention, smoothness, flexibility and elasticity to hair.

[0002]

2. Description of the Related Art Hair shampoos generally contain both anionic surfactants and amphoteric surfactants and have excellent detergency, but at the same time have the problem of removing oil from hair. . Therefore, there is a problem that repeated washing of the hair deteriorates the feel of the hair and increases the feeling of dryness.

[0003] In order to solve such problems, conventionally, a high molecular weight silicone or the like is blended with a hair treatment agent such as a hair shampoo or a hair rinse to provide a moisturizing, smoothness, flexibility and elasticity to hair. Attempts have been made to provide, but they are not sufficiently satisfactory, and further improvement is currently required.

[0004]

SUMMARY OF THE INVENTION Under such circumstances, an object of the present invention is to provide a novel hair treatment agent which imparts excellent moisture retention, smoothness, flexibility and elasticity to hair. And

[0005]

Means for Solving the Problems The present inventors have conducted intensive studies in order to solve the above-mentioned objects, and as a result, have found that one or more wax diesters having a specific structure and one or more nonvolatile silicones have been used. It has been found that a hair treatment agent containing at least one species as an essential component achieves the object, and has completed the present invention.

That is, the present invention provides a hair treatment agent comprising (A) one or more wax diesters represented by the following general formula (1) and (B) a non-volatile silicone. It is in.

[0007]

Embedded image

(Wherein, R ¹ is a linear or branched alkyl group having 10 to 24 carbon atoms, R ² is a linear or branched alkyl group having 1 to ³¹ carbon atoms, R ³ is a carbon atom having 1 to ³¹ carbon atoms) 1 to 31 linear or branched alkyl groups.)

In the present invention, (B) the nonvolatile silicone is one or more selected from the group consisting of dimethylpolysiloxane, methylphenylpolysiloxane, amino-modified silicone, alkyl-modified silicone and alkoxy-modified silicone. A hair treatment agent characterized in that:

Further, the present invention provides, in addition to the above essential components,
(C) A hair treatment agent characterized by containing one or more selected from the group consisting of cationic polymers, peptide derivatives, and plant-derived materials.

[0011]

Embodiments of the present invention will be described below in detail.

It has been reported that the wax diester of the general formula (1) (A) used in the present invention is present on the surface of hair of cattle, rabbits, cats and the like (T. Nikk).
ari and E. Haahti, Biochim. Biophys. Acta,
164, 294-305 (1968), Nicolaides, HCFu and
MNA Ansari, Lipids, 5, 299-307 (197
0)), and can be obtained by extraction and separation from these natural products. Further, they can be synthesized and used by a known method. For example, α-hydroxy fatty acids, fatty acids, and monohydric alcohols can be used as raw materials and easily produced using an acidic catalyst, an enzyme, or the like. The production method is also described in WO 99/62463.

Further, if necessary, deacidification, decolorization, deodorization and the like can be carried out, and the product can be purified and used. Further, unreacted α-hydroxy fatty acid, fatty acid, alcohol, α-hydroxy fatty acid monoalkyl ester which is an intermediate product, and the like may remain and be mixed.

Specific examples of the wax diester obtained by the above method and the like include 2-palmitoyloxypalmitic acid palmityl ester, 2-acetyloxylaurate ethyl ester, 2-palmitoyloxystearate isopropyl ester and the like. be able to.
Further, 2-isobutyryl derived from long-chain branched fatty acids and long-chain α-hydroxy fatty acids containing a large amount of iso- and anteiso-type obtained from lanolin disclosed in JP-A-6-293614 and the like. Oxy long chain fatty acids (14-25) Long chain branched alcohols (12-31)
Esters, 2-long-chain branched fatty acid (12-31) octyldodecyl oxypalmitate, 2-isobutyryloxypalmitic acid long-chain branched alcohol (12-31) ester, and the like. The hair treatment agent of the present invention includes
One or more of these wax diesters can be used. Among them, R ³ has 11 to 13 carbon atoms.
One is preferred.

The compounding amount of the wax diester (A) used in the present invention is 0.001 to 1% based on the total amount of the hair treating agent.
It is preferably 40% by mass (hereinafter simply referred to as%), more preferably 0.1 to 20%. If the amount is less than 0.001%, the effects of the present invention may not be sufficiently exhibited even when blended,
Even if the content is more than 40%, the effect corresponding to the content may not be obtained in some cases, which is not preferable.

The non-volatile silicone (B) used in the present invention includes, for example, dimethylpolysiloxane, methylphenylpolysiloxane, amino-modified silicone, alkyl-modified silicone, alkoxy-modified silicone, etc., and particularly preferably dimethylpolysiloxane. , Methylphenylpolysiloxane. One or more of these nonvolatile silicones can be used in the hair treatment agent of the present invention.

Among the non-volatile silicone (B) used in the present invention, dimethylpolysiloxane or methylphenylpolysiloxane is not particularly limited.
5,000 mm ² / s or more, especially 100,
It is particularly preferable to blend a compound of 000 mm ² / s or more, since an excellent damage prevention effect can be obtained. The dimethylpolysiloxane may be emulsion-polymerized.

The non-volatile silicone (B) used in the present invention can be used alone or in combination of two or more. The compounding amount thereof is 0.5 to 4 with respect to the total amount of the hair treatment agent.
0% is preferable, and 1 to 30% is more preferable.
If the compounding amount is out of the range of 0.5 to 40% based on the total amount of the hair treatment agent, the effect of the present invention may not be sufficiently exhibited, which is not preferable.

The cationic polymer, peptide derivative and plant-derived raw materials used in the present invention include the following.

Examples of the cationic polymer used in the present invention include a cationized cellulose derivative, a cationized guar gum derivative, a diallyl quaternary ammonium salt polymer, a diallyl quaternary ammonium salt / acrylamide copolymer, and a quaternized polyvinyl. And pyrrolidone. One or more of these cationic polymers can be used in the hair treatment agent of the present invention.

The cationic polymer used in the present invention is
One type or two or more types can be used in combination, and the amount thereof is not particularly limited, but is preferably 0.01 to 10%, more preferably 0.0% to the total amount of the hair treatment agent.
1 to 5%.

Examples of the peptide derivative used in the present invention include natural peptides, synthetic peptides, and protein hydrolysates obtained by partially hydrolyzing proteins (proteins) with acids, alkalis or enzymes. Derivatives such as cationized products, acylated products, alkyl esterified products, and siliconized products of these peptides can also be used. Examples of natural peptides include glutathione,
Examples include bacitracin A, insulin, glucagon, oxytocin, vasopressin, and the like, and examples of synthetic peptides include polyglycine, polylysine, polyglutamic acid, and polyserine.

Examples of the protein serving as the source of the protein hydrolyzate include those derived from animals such as collagen, gelatin, keratin, silk fibroin, sericin, casein, conchiolin, elastin, egg yolk protein and egg white protein of chicken and the like. And soybeans, almonds, wheat, beer lees, corn, rice, plant-derived proteins such as potatoes, and yeasts of the genera Saccharomyces, Candita, Endomycopsis, brewer's yeast, sake yeast Examples include yeast proteins isolated from bacteria, those derived from microorganisms such as mushrooms (basidiomycetes), and proteins isolated from chlorella.

Among these peptide derivatives, protein hydrolysates such as collagen, keratin, conchiolin, silk fibroin, wheat protein, soy protein, etc. obtained from animals or plants are particularly preferred.

The peptide derivative used in the present invention can be used alone or in combination of two or more. The amount of the peptide derivative is not particularly limited, but is preferably 0.0001 to 5% based on the total amount of the hair treatment agent. More preferably, 0.
001 to 1%.

The plant-derived raw materials used in the present invention include, from leaves, stems, flowers and roots of plants, lower alcohols such as water and ethanol, and polyhydric alcohols such as propylene glycol and 1,3-butylene glycol. Extraction of liquid paraffin or soybean oil with oils and fats, plant extracts obtained by techniques such as steam distillation, sap directly collected from plant stems and vines, leaves obtained by pressing plant leaves and fruits, etc. Juice, fruit juice, oil and the like can be mentioned.

Specific examples of plant-derived raw materials include plant extracts extracted with water, ethanol, and the like, which are obtained from the altea extract obtained from the beetle mallow (Althea offinalis L.) and the peach (Prunus persica Batsch). Peach leaf extract, seaweed extract obtained from brown algae (Phaneophyta), red algae (Phodophyta) or green algae (Chlorophyta), Ransium domesticum Jack var. Duke
And the like.
Also, as those extracted with liquid paraffin, etc.,
Examples include oil-soluble chamomile extract obtained from chamomile (Matricaria chamomilla L.). The one obtained by steam distillation is orange (Citrus
sinensis Osbeck) and rose water obtained from rose (Rosa centifolia L.). On the other hand, luffa (Luffa cylindrica)
Loofer water collected from vines and stems of M. Roemer, and birch sap, which is sap collected from the trunk of European birch (Betula pendula L.). Further, as a product obtained by squeezing a leaf or a fruit of a plant, aloe (Aloe barbadensis) or kidachi aloe (Alo
e arborescens Miller), aloe juice, orange (Citrus aurantium L. var. dulcis L.)
Orange juice, evening primrose (Oneothera tetra)
Evening primrose oil from ptera Cav., sunflower (Heila)
nthus annuus L.) and the like.

The plant-derived raw materials used in the present invention may be used alone or in combination of two or more. The amount of the plant-derived raw materials is not particularly limited.
It is preferably 0.0001 to 5%, more preferably 0.001 to 3% in terms of dry residue.

The hair treatment composition of the present invention may optionally contain, in addition to the above-mentioned components, components commonly used in hair treatment compositions according to the purpose within a range that does not impair the effects of the present invention. be able to. Examples of these components include anionic surfactants such as fatty acid salts, alkyl sulfates, alkyl ether sulfates, olefin sulfonates, sulfosuccinates, phosphate esters, fatty acid diethanolamide, fatty acid isopropanolamide, Nonionic surfactants such as oxyethylene hydrogenated castor oil; amphoteric surfactants such as carboxybetaine, amidobetaine, aminocarboxylic acid, and imidazoline derivatives; cationic surfactants such as stearyltrimethylammonium chloride and distearyldimethylammonium chloride , Higher alcohols, lanolin derivatives, higher fatty acids, polyhydric alcohols such as propylene glycol, glycerin, polyethylene glycol, preservatives, sequestering agents, antioxidants,
pH adjusters, ultraviolet absorbers, dyes, fragrances, and the like are included.

The hair treating agent of the present invention can be produced by a usual method, and depending on the purpose of use, a lower alcohol solution such as ethanol, a lower alcohol aqueous solution, a W / O or O / W emulsion, a suspension, Gel, liquid crystal,
Various forms such as a two-layer type, a multi-layer type, a solid, and an aerosol can be used.

The hair treatment composition of the present invention includes cosmetics, quasi-drugs and pharmaceuticals such as hair shampoos, pre-shampoos, hair rinses, hair treatments, hair lotions, hair tonics, hair liquids, hair creams, hair sprays and the like. Can be used in the form of

[0032]

EXAMPLES Hereinafter, the present invention will be described in detail with reference to examples, but the present invention is not limited to these examples.

Examples 1-2 and Comparative Examples 1-6 (Hair treatment
Agent; hair conditioner) A hair conditioner having the composition shown in Table 1 below was used in a usual manner.
Prepared by And hair with 20 female panelists
-Conditioner once a day for 2 days in the usual way
A comparative sensory evaluation test was carried out. In addition, comparative sensuality
The results of the evaluation test are: moisturizing, smoothness, flexibility, elasticity
In each item, "moist hair" "smooth hair"
Has become softer, and the hair has become softer, and the hair has elasticity.
Table 1 also shows the number of respondents who answered "it has occurred." In addition,
As the component (A), 2-isobutyryloxy long chain fatty acid
(14-25) Long-chain branched alcohol (12-31) S
And dimethylpolysiloxane as component (B).
(3,000,000mm ^Two/ S; 25 ° C)
(C) includes a hydrolyzed conchiolin solution (trade name: Shin
Pearl protein extract [Maruzen Pharmaceutical Co., Ltd.]) was used.

[0034]

[Table 1]

As shown in Table 1, the hair conditioners of Examples 1 and 2, which are the hair treatment agents of the present invention, have all of the various properties as compared with Comparative Examples 1 to 6, which do not satisfy the essential components of the present invention. Was excellent.

Example 3 (Hair treatment agent; hair shampoo) A hair shampoo having the following composition was prepared by a conventional method. Then, sensory evaluation was performed using the same test items as in Example 1, using 10 female panelists in the usual manner. As a result, the hair shampoo of Example 3 did not show any problem such as irritation, and exhibited excellent sensory characteristics in each item of moisturizing property, smoothness, flexibility and elasticity.

Ingredient name (%) Example 3 ------------------------------------------------------------------------------------------ Component (A) 2 - acetyloxy laurate ethyl ester 0.5 component (B) dimethyl polysiloxane ^{1.0 (100,000mm 2 / s; 25} ℃) dimethylpolysiloxane ^{0.5 (10mm 2 / s; 25} ℃) methylphenyl polysiloxane 1.0 (100,000 mm ² / s; 25 ° C.) Component (C) Cationized cellulose derivative 1,0 (trade name: Katinal HC-200 [manufactured by Toho Chemical Industry Co., Ltd.]) Hydrolyzed silk liquid 0.5 (trade name) : Promois Silk 1000 [manufactured by Seiwa Kasei Co., Ltd.]) Wheat hydrolyzate 1.0 (trade name: GLUADIN W20 [manufactured by Henkel]) POE (3) Sodium lauryl ether sulfate 8.0 lauryl sulfate Triethanolamine 10.0 Betaine lauryl dimethylaminoacetate 5.0 Isopropanolamide laurate 3.0 Methyl parahydroxybenzoate 0.2 Perfume 0.4 Purified water Remainder

Example 4 (Hair treatment agent; hair cream) A hair cream having the following composition was prepared by a conventional method. Then, sensory evaluation was performed using the same test items as in Example 1, using 10 female panelists in the usual manner. As a result, the hair cream of Example 4 did not show any problem such as irritation, and exhibited excellent organoleptic properties in each item of moisturizing property, smoothness, flexibility and elasticity.

Ingredient name (%) Example 4 ---------------------------------------------------------------------------------------------------------- Component (A) 2-palmitoyloxypalmitic acid palmityl ester 5.0 2-palmitoyloxystearic acid isopropyl ester 5.0 Component (B) dimethylpolysiloxane 2.0 (100,000 mm ² / s; 25 ° C) Component (C) Peach extract 0.5 (trade name: peach extract [Maruzen Pharmaceutical Co., Ltd.]) Altea extract 0.5 (trade name: Usvenia Oy [Sunrade Co., Ltd.]) ) Polyoxyethylene cetyl ether (7EO) 2.0 Polyoxyethylene hydrogenated castor oil (60EO) 1.5 Liquid paraffin 20.0 Stearyl alcohol 3.0 Propylene glycol 2.5 Perfume 0.2 Purified water residue

Example 5 (Hair treatment agent; hair foam) A hair foam having the following composition was prepared by a conventional method. Then, sensory evaluation was performed using the same test items as in Example 1, using 10 female panelists in the usual manner. As a result, the hair foam of Example 5 did not show any problem such as irritation, and exhibited excellent sensory characteristics in each of the items of moisture retention, smoothness, flexibility and elasticity.

Ingredient name (%) Example 5 ----------------------------------------------------------- (stock solution) Ingredient (A) 2-long-chain branched fatty acid (12-31) oxypalmitic acid 2.0 octyldodecyl component (B) methylphenylpolysiloxane 2.0 (100,000 mm ² / s; 25 ° C.) component (C) quaternary Polyvinylpyrrolidone derivative 2.0 (trade name: GAFQUAT755N (manufactured by ISP)) Aloe extract 0.5 (trade name: aloe extract [manufactured by Novalome]) Ethanol 10.0 Stearyl trimethylammonium chloride 1.0 citric acid Triethyl 3.0 Polyoxyethylene hydrogenated castor oil (80 EO) 0.5 Methyl paraoxybenzoate 0.1 Purified water Residue with the total amount of stock solution as 100 (propellant) Fossil oil and gas 6.0 dimethyl ether 4.0

[0042]

As described above, the present invention which comprises one or more wax diesters, one or more wax esters, and one or more nonvolatile silicones as essential components, It is apparent that the present invention provides a novel hair treatment agent capable of imparting excellent moisture retention, smoothness, flexibility, and elasticity.

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Claims (3)

[Claims] 1. A composition comprising (A) one or more wax diesters represented by the following general formula (1), and (B) one or more nonvolatile silicones except polyether-modified silicones. A hair treatment agent, characterized in that: Embedded image (However, in the formula, R ¹ is a linear or branched alkyl group having 10 to 24 carbon atoms, R ² is a linear or branched alkyl group having 1 to 31 carbon atoms, and R ³ is 1 to ³¹ carbon atoms. A linear or branched alkyl group.) 2. The method according to claim 1, wherein (B) the nonvolatile silicone is one or more selected from the group consisting of dimethylpolysiloxane, methylphenylpolysiloxane, amino-modified silicone, alkyl-modified silicone, and alkoxy-modified silicone. The hair treatment agent according to the above. 3. The hair treatment agent according to claim 1, further comprising (C) one or more selected from the group consisting of a cationic polymer, a peptide derivative, and a plant-derived material.