JP2005053821A - Hair cosmetic and article for hair cosmetic - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prepare a hair cosmetic and to provide an article for the hair cosmetic, which have no pungent odor and reduce a poor touch feel caused by a mixture compounded with monoethanolamine. <P>SOLUTION: The article for the hair cosmetic is obtained by mixing 3.0 g of an α-olefin oligomer with 5.0 g of oleyl alcohol, 6.0 g of POE (polyoxyethylene) (5) oleyl ether, 0.5 g of stearyltrimethylammonium chloride and 3.0 g of monoethanolamine to prepare 100 g of the total weight of a first agent of an oxidation hair dye, preparing a second agent of oxidation hair dye consisting essentially of hydrogen peroxide, and combining the first agent with the second agent. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to hair cosmetics and hair cosmetics such as hair dyes and hair bleaching agents.

  Conventionally, as a hair cosmetic product, a two-component type oxidative hair dye product comprising an oxidative hair dye first agent containing an oxidative dye and an oxidative hair dye second agent containing an oxidant has been widely used. Yes. In this oxidative hair coloring product, when used, the hair dye first agent and the hair dye second agent are mixed and applied to the hair. Then, the oxidative dye contained in the oxidative hair dye first agent penetrates into the hair and is polymerized by the action of the oxidant contained in the oxidative hair dye second agent to produce a pigment. To settle. That is, this oxidative hair coloring product can be dyed by fixing the pigment produced by polymerization of the oxidative dye to the hair.

In addition, as a hair cosmetic product, a two-component hair bleaching product that does not contain a dye in the first agent has also been used.
In order to promote the action of the oxidizing agent, an alkaline agent such as ammonia or monoethanolamine is blended in the first agent in these hair cosmetic products (see Patent Document 1).
JP-A-10-45547 Example 1

  However, when ammonia is used as the alkaline agent, there is a problem that an irritating odor is generated. In addition, when monoethanolamine is used as an alkaline agent, hair that has been dyed or decolored may have a poor touch during shampooing (decreased moistness, reduced sensation, and softness). there were.

  This invention is made | formed in view of the above point, and it aims at providing the hair cosmetics and hair cosmetics which have few irritating odors and can reduce the poor touch by monoethanolamine mixing | blending.

(1) The invention of claim 1
The gist of the present invention is a hair cosmetic comprising an α-olefin oligomer and monoethanolamine.

  The hair cosmetic composition of the present invention contains an α-olefin oligomer, so that even if it contains monoethanolamine, poor touch feeling (decreased moist feeling, reduced vine feeling, reduced softness) does not occur during shampooing. Play. That is, by containing the α-olefin oligomer, the hair can be given a moist feeling, a sensation, and a softness.

  In addition, the hair cosmetic composition of the present invention contains monoethanolamine to swell the hair, for example, the effect of facilitating penetration of dyes and oxidizing agents contained in the hair cosmetic composition into the hair, and the action of the oxidizing agent. The effect which promotes can be show | played.

  Furthermore, since the hair cosmetic composition of the present invention contains monoethanolamine as an alkaline agent, ammonia may not be blended or may be blended in a small amount. Therefore, there is an effect that the irritating odor can be reduced.

The α-olefin oligomer is a hydrocarbon having a side chain obtained by hydrogenating a mixture of linear aliphatic α-olefin low polymers (3 to 7 mers). This α-olefin oligomer has a structure represented by Chemical Formula 1. Incidentally, R represents in formula 1 is a C _n H _{2n + 1, n} is an integer of 1 to 5.

The blending amount of the α-olefin oligomer is preferably 0.1 to 5% by weight, more preferably 0.5 to 4% by weight, and most preferably 1 to 3% by weight.
The blending amount of the monoethanolamine is preferably 0.1 to 5% by weight, more preferably 0.3 to 4.5% by weight, and most preferably 0.5 to 4% by weight.

The dosage form of the hair cosmetic can be, for example, liquid, cream, or jelly.
-When using the hair cosmetics of this invention as a hair dye, an oxidation dye can be mix | blended. Examples of the oxidation dye include a main intermediate and a coupler.

  Specific examples of the main intermediate include at least selected from phenylenediamines, aminophenols, toluylenediamines, diphenylamines, diaminophenylamines, N-phenylphenylenediamines, diaminopyridines and the like and salts thereof. A kind is used. Examples of the salt include hydrochloride, sulfate, acetate and the like.

  Among these, paraphenylenediamine, paratoluylenediamine, N, N-bis (2-hydroxyethyl) -paraphenylenediamine, N-phenyl-paraphenylenediamine, 4,4′-diaminodiphenylamine, 2-chloroparaphenylenediamine N, N-dimethylparaphenylenediamine, paraaminophenol, 2,6-dichloroparaphenylenediamine, paraaminophenylsulfamic acid and their salts are preferred from the viewpoint of hair dyeing power.

  The blending amount of the main intermediate is preferably 0.01 to 15% by weight with respect to the hair cosmetic, and if it is less than 0.01% by weight, a sufficient hair coloring effect cannot be obtained, and even if it exceeds 15% by weight. The effect remains the same and is not economical. Furthermore, 0.1 to 10 weight% is especially preferable, and the more excellent hair dyeing effect is acquired by mix | blending 0.1 weight% or more. On the other hand, when it exceeds 10% by weight, the increase in the hair dyeing effect is reduced.

  Specific examples of couplers include resorcin, pyrogallol, catechol, metaaminophenol, metaphenylenediamine, orthoaminophenol, 2,4-diaminophenol, 1,2,4-benzenetriol, toluene-3,4-diamine, toluene -2,4-diamine, hydroquinone, α-naphthol, 2,6-diaminopyridine, 1,5-dihydroxynaphthalene, 5-aminoorthocresol, diphenylamine, paramethylaminophenol, phloroglucin, 2,4-diaminophenoxyethanol, gallic At least one selected from acids, tannic acid, ethyl gallate, methyl gallate, propyl gallate, pentaploid, 5- (2-hydroxyethylamino) -2-methylphenol, and salts thereof is used. In addition, you may mix | blend suitably what was listed in "a quasi-drug raw material specification" (June 1991 issue, Yakuji Nippo).

  The blending amount of the coupler is preferably 0.01 to 10% by weight. If the amount is less than 0.01% by weight, sufficient dyeability cannot be obtained. . Furthermore, 0.1 to 5 weight% is especially preferable, and the more excellent dyeability is acquired by mix | blending 0.1 weight% or more. On the other hand, when it exceeds 5% by weight, the increase in dyeability is reduced.

In the hair cosmetic of the present invention, as other additive components, oils such as 4-nitro-o-phenylenediamine, 4-nitro-m-phenylenediamine, direct dyes such as yellow 203, jojoba oil, glyceride of olive oil, etc. , Waxes such as beeswax and lanolin, hydrocarbons other than α-olefin oligomers (liquid paraffin, solid paraffin, isoparaffin, squalane, etc.), esters such as isopropyl myristate, octyldodecyl myristate, dimethylpolysiloxane, methyl Silicones such as phenylpolysiloxane, polyether-modified silicone, highly polymerized silicone, amino-modified silicone, fatty acids such as lauric acid, myristic acid and linolenic acid, sugars such as sorbitol and maltose, polyhydric alcohol, batyl alcohol, and Kimyl alcohol Alkyl glyceryl ether such as gum arabic, sodium alginate, xanthan gum, cellulose derivative, natural or synthetic polymer such as cross-linked polyacrylic acid, preservative such as paraben, chelating agent such as EDTA-Na, phenacetin, 8-hydroxyquinoline , Stabilizers such as acetanilide, sodium pyrophosphate, barbituric acid, uric acid, tannic acid, pH adjusters such as phosphoric acid, citric acid, sulfuric acid, acetic acid, lactic acid, tartaric acid, plant extracts, herbal extracts, vitamins, You may mix | blend a fragrance | flavor, a ultraviolet absorber, etc., and at least 1 type chosen from what is listed in "the quasi-drug raw material specification" (June 1991 issue, Yakuji Nippo). The compounding amount of other additive components is determined according to a conventional method for hair cosmetics.
(2) The invention of claim 2
The gist of the hair cosmetic composition according to claim 1, which contains a higher alcohol.

  Since the hair cosmetic composition of the present invention contains a higher alcohol, the synergistic effect of this higher alcohol and the α-olefin oligomer suppresses a reduction in moist feeling during shampooing (that is, gives hair a moist feeling). ) And the effect of reducing the irritating odor of hair cosmetics.

  As the higher alcohol, for example, lauryl alcohol, myristyl alcohol, cetyl alcohol, stearyl alcohol, cetostearyl alcohol, aralkyl alcohol, behenyl alcohol, isostearyl alcohol, oleyl alcohol, lanolin alcohol, linoleyl alcohol, linolenyl alcohol, 2-hexyldecanol, 2-octyldodecanol and the like can be mentioned. Of these, higher alcohols having an alkenyl group are preferred. Examples of the higher alcohol having an alkenyl group include oleyl alcohol, lanolin alcohol, linoleyl alcohol, and linolenyl alcohol. Among these, oleyl alcohol is particularly preferable because it has a high effect of suppressing a reduction in moist feeling during hair shampooing.

The blending amount of the higher alcohol is preferably 0.1 to 10% by weight, more preferably 0.2 to 8% by weight, and most preferably 0.5 to 6% by weight.
(3) The invention of claim 3
The gist of the hair cosmetic composition according to claim 2, wherein the higher alcohol has an alkenyl group.

The hair cosmetic composition of the present invention has the effect of suppressing the reduction of moist feeling during shampooing (that is, giving hair a moist feeling) because the higher alcohol contained therein has an alkenyl group. The effect of reducing the irritating odor of the material is even more remarkable.
(4) The invention of claim 4
The gist of the hair cosmetic composition according to any one of claims 1 to 3, further comprising a nonionic surfactant.

By containing the nonionic surfactant, the hair cosmetic of the present invention has an effect that the dispersibility of each component of the hair cosmetic is good.
As the nonionic surfactant, for example, polyoxyethylene (hereinafter referred to as POE) cetyl ether, POE stearyl ether, POE behenyl ether, POE oleyl ether, POE lauryl ether, POE octyldodecyl ether, POE alkyl ( 12-14) Ether type nonionic surfactants such as ether, POE hexyl decyl ether, POE isostearyl ether, POE nonyl phenyl ether, POE octyl phenyl ether, monooleic acid POE sorbitan, monostearic acid POE sorbitan, monostearin Acid POE glycerin, monomyristic acid POE glycerin, tetraoleic acid POE sorbit, hexastearic acid POE sorbit, monolauric acid POE sorbit, POE Ester-type nonionic surfactants such as ruby beeswax, polyethylene glycol monooleate, polyethylene glycol monostearate, polyethylene glycol monolaurate, sorbitan monooleate, sorbitan monostearate, sorbitan monolaurate, decaglyceryl monooleate Agents and the like. Among these, ether type nonionic surfactants having an alkenyl group that imparts a sensation to hair in addition to the above-described action are more preferable.

The amount of the nonionic surfactant is preferably 0.1 to 35% by weight, more preferably 1 to 32% by weight, and most preferably 5 to 30% by weight.
(5) The invention of claim 5
The gist of the hair cosmetic according to claim 4, wherein the nonionic surfactant is an ether type nonionic surfactant having an alkenyl group.

  Since the hair cosmetic composition of the present invention contains an ether type nonionic surfactant having an alkenyl group, as a synergistic effect of the ether type nonionic surfactant having the alkenyl group and an α-olefin oligomer, There is an effect that it is possible to impart a vine feel.

-As an ether type nonionic surfactant which has the said alkenyl group, POE oleyl ether etc. are mentioned, for example.
(6) The invention of claim 6
The gist of the hair cosmetic composition according to any one of claims 1 to 5, further comprising a cationic surfactant.

  Since the hair cosmetic composition of the present invention contains a cationic surfactant, as a synergistic effect of the cationic surfactant and the α-olefin oligomer, it is possible to suppress a decrease in softness during shampooing. Play. That is, softness can be given to hair by containing a cationic surfactant.

Examples of the cationic surfactant include lauryl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, alkyl trimethyl ammonium chloride, distearyl dimethyl ammonium chloride, cetyl trimethyl ammonium bromide, stearyl trimethyl ammonium bromide, ethyl lanolin sulfate fatty acid amino acid Examples thereof include propylethyldimethylammonium, stearyltrimethylammonium saccharin, cetyltrimethylammonium saccharin and the like. The amount of the cationic surfactant is preferably 0.1 to 10% by weight, more preferably 0.2 to 8% by weight, and most preferably 0.5 to 6% by weight.
(7) The invention of claim 7
The gist of the hair cosmetic composition according to any one of claims 1 to 6, wherein the blending amount of the α-olefin oligomer is 0.1 to 5% by weight.

Since the blending amount of the α-olefin oligomer is 0.1% by weight or more with respect to the total amount of the hair cosmetic, the hair cosmetic of the present invention has an effect of reducing poor touch due to the monoethanolamine inclusion. Moreover, since the compounding quantity of an alpha olefin oligomer is 5 weight% or less, there exists an effect that the said effect can be acquired economically.
(8) The invention of claim 8
The gist is the hair cosmetic composition according to any one of claims 1 to 7, which is a hair dye or a hair bleaching agent used by mixing with an oxidizing agent.

The hair cosmetic composition of the present invention can be used together with a second agent containing an oxidizing agent as the first agent of a two-pack type hair cosmetic product (hair coloring product, hair decoloring product).
(9) The invention of claim 9
The gist of the hair cosmetic composition according to any one of claims 1 to 8, which is a liquid composition.

Since the hair cosmetic composition of the present invention is a liquid composition, the hair cosmetic composition can be uniformly applied to the entire hair, and thereby the effect can be expressed uniformly.
(10) The invention of claim 10
The gist of the present invention is a hair cosmetic product comprising the first agent comprising the hair cosmetic composition according to any one of claims 1 to 9 and the second agent comprising an oxidizing agent.

Since the hair cosmetic product of this invention is equipped with the hair cosmetics of Claims 1-9 as a 1st agent, there can exist an effect similar to the invention of these Claims 1-9.
-Examples of the hair cosmetics include hair coloring products and hair decoloring products.

  Examples of hair cosmetics and hair cosmetic products according to the present invention (examples) will be described below.

  The components shown in Table 1 were mixed by the corresponding blending amounts to prepare the first hair dye agent (hair cosmetic) of Example 1-1. The dosage form of the first oxidative hair dye is liquid.

Moreover, the following component was mixed by the respectively corresponding compounding quantity, and the oxidative hair dye 2nd agent was prepared.
<Oxidative hair dye second agent> Weight (g) 35% hydrogen peroxide 17.0
Sodium stannate 0.1
EDTA 0.5
Cetanol 1.5
Cetyl isooctanoate 1.0
POE (4) stearyl ether 0.3
POE (20) cetyl ether 0.5
Stearyl trimethyl ammonium saccharin 0.3
Methacryloyloxyethyltrimethylammonium chloride 0.5
Purified water Total amount of 100 g And, the combination of the first oxidation hair dye and the second oxidation hair dye was used as an oxidation hair dye (hair cosmetic article).

  Moreover, the oxidative hair dye 1st agent (hair cosmetics) of Examples 1-2 to 1-13 was prepared by mixing the components shown in Tables 1 to 3 in respective corresponding blending amounts.

  In addition, a second agent for oxidative hair dye was prepared in the same manner as in Example 1-1. And the combination of the hair dye 1st agent and the hair dye 2nd agent of Examples 1-2 to 1-13 was made into the oxidation hair dye (hair cosmetics), respectively.

  In addition, as comparative examples, the components shown in Table 3 were mixed in the corresponding blending amounts to prepare the first hair dye preparations (hair cosmetics) of Comparative Examples 1 and 2, respectively. Moreover, it carried out similarly to the said Example 1-1, and prepared the oxidation hair dye 2nd agent, respectively. And the combination of the hair dye 1st agent and the hair dye 2nd agent was set as the oxidation hair dye goods (hair cosmetic article) of the comparative example 1 and the comparative example 2, respectively.

  In addition, in the oxidation hair dye goods of the comparative example 1, the alpha hair olefin oligomer is not contained in the oxidation hair dye 1st agent, and it is outside the scope of the present invention. Moreover, in the oxidation hair dye goods of the comparative example 2, monoethanolamine is not contained in the oxidation hair dye 1st agent, and it is outside the scope of the present invention.

Next, the experiment conducted in order to confirm the effect of the oxidative hair dyestuff of Examples 1-1 to 1-13 will be described.
(i) Evaluation of irritating odor during hair dyeing work The hair was dyed using the oxidative hair coloring products of Examples 1-1 to 1-13. Specifically, first, the oxidation hair dye first agent and the oxidation hair dye second agent were mixed at a weight ratio of 1: 1 and applied to the paneler's hair. After 20 minutes at room temperature, the hair of each panel was thoroughly washed with hot water at 40 ° C., followed by shampooing and rinsing, followed by drying.

And the expert panelist sensory-evaluated the degree of the irritating odor during said hair dyeing work according to the following reference | standard.
<Irritating odor>
5: There is no irritating odor.
4: There is almost no irritating odor.
3: There is a little pungent odor.
2: There is a slight pungent odor.
1: There is an irritating odor.
(ii) Evaluation of hair dyeing power for hair The hair dyed by the method (i) above was observed, and the hair coloring power was evaluated according to the following criteria.
<Hair dyeing power>
5: Very good with Comparative Example 1 as a control.
4: Comparative example 1 is good as a control.
3: Equivalent to Comparative Example 1 as a control.
2: Slightly poor in comparison with Comparative Example 1.
1: Inferior to Comparative Example 1 as a control.
(iii) Evaluation of moist feeling, vine feeling and softness during shampooing The hair after dyeing was shampooed, and the moist feeling, vine feeling and softness of the hair at that time were subjected to sensory evaluation according to the following criteria.
<Moist feeling>
5: Very moist.
4: It is quite moist.
3: Slightly moist.
2: Not very moist.
1: There is no moist feeling.
<Smooth>
5: Very slippery.
4: There is quite a sense of creep.
3: There is a slight sensation.
2: There is almost no vine feeling and it is a little caught.
1: There is no vine feeling and it catches.
<Softness of hair>
5: Very soft.
4: Pretty soft.
3: Slightly soft.
2: Slightly hard.
1: It is quite hard.

  The evaluation results are shown in Table 4.

  As shown in Table 4, the oxidative hair dye products of Examples 1-1 to 1-13 had an evaluation of 3 to 5 in any evaluation item, and poor shampoo feeling (decreased moist feeling, slippery feeling) It has been confirmed that there is an effect that no reduction or softness) occurs, an effect that no irritating odor is generated, and an effect that hair coloring power is high.

  In particular, in Examples 1-1, 1-3, 1-4, 1-5, 1-8, 1-11, 1-12, and 1-13, oleyl alcohol (higher alcohol) was used as the first agent for the oxidative hair dye. ) In the evaluation of moist feeling due to the synergistic effect of the α-olefin oligomer and oleyl alcohol (the evaluation value was 5).

  In Examples 1-1, 1-2, 1-5, 1-7, 1-10, 1-12, 1-13, POE oleyl ether (an ether having an alkenyl group) was used as the first agent for the oxidative hair dye. Type nonionic surfactant), the synergistic effect of the α-olefin oligomer and the POE oleyl ether was particularly excellent in evaluation of vine feeling and hair dyeing power (evaluation value was 5).

  In Example 1-3, since the first hair dye agent contains POE (25) hexyl decyl ether (an ether type nonionic surfactant having no alkenyl group), the α-olefin oligomer and the POE are included. (25) Due to the synergistic effect with hexyl decyl ether, it was excellent in evaluation of vine feeling and hair dyeing power (evaluation value was 4).

  In Examples 1-1, 1-2, 1-3, 1-4, 1-6, 1-10, 1-11, and 1-13, stearyltrimethylammonium chloride (as the first hair dye agent) Since it contains a cationic surfactant), it was particularly excellent in evaluation of softness due to a synergistic effect of the α-olefin oligomer and stearyltrimethylammonium chloride (the evaluation value was 5).

  On the other hand, in the oxidative hair dye product of Comparative Example 1, oleyl alcohol (higher alcohol), POE oleyl ether (an ether type nonionic surfactant having an alkenyl group), and stearyltrimethylammonium chloride are used as the first oxidative hair dye. Although it contains (cationic surfactant) but does not contain an α-olefin oligomer, it was inferior in any evaluation items of moist feeling, vine feeling, and softness (the evaluation value was 2).

  In addition, in the oxidative hair dye product of Comparative Example 2, the first oxidative hair dye agent contains an α-olefin oligomer, oleyl alcohol (higher alcohol), POE oleyl ether (an ether type nonionic surfactant having an alkenyl group). , And stearyltrimethylammonium chloride (cationic surfactant), but does not contain monoethanolamine as the alkaline agent, and the total amount of alkaline agent is ammonia, so it was inferior in the irritating odor evaluation items (evaluation) Value was 2).

Needless to say, the present invention is not limited to the above-described embodiments, and can be implemented in various modes without departing from the scope of the present invention.
For example, in the said Example, what remove | excluded the dye component from the oxidative hair dye 1st agent can be used as the hair bleaching agent 1st agent. Moreover, the thing similar to an oxidative hair dye 2nd agent can be used as a hair bleaching agent 2nd agent. And the combination of those hair bleaching agent 1st agents and hair bleaching agent 2nd agents can be used as hair bleaching goods.

Claims (10)

  A hair cosmetic comprising an α-olefin oligomer and monoethanolamine.   The hair cosmetic according to claim 1, comprising a higher alcohol.   The hair cosmetic according to claim 2, wherein the higher alcohol has an alkenyl group.   The hair cosmetic composition according to any one of claims 1 to 3, further comprising a nonionic surfactant.   The hair cosmetic according to claim 4, wherein the nonionic surfactant is an ether type nonionic surfactant having an alkenyl group.   The hair cosmetic composition according to any one of claims 1 to 5, further comprising a cationic surfactant.   The hair cosmetic composition according to any one of claims 1 to 6, wherein the blending amount of the α-olefin oligomer is 0.1 to 5% by weight.   The hair cosmetic composition according to any one of claims 1 to 7, which is a hair dye or a hair bleaching agent used by mixing with an oxidizing agent.   It is a liquid composition, Hair cosmetics in any one of Claims 1-8 characterized by the above-mentioned.   A hair cosmetic product comprising a first agent comprising the hair cosmetic composition according to any one of claims 1 to 9 and a second agent comprising an oxidizing agent.