KR20060127749A - Conditioning composition and hair cosmetic containing the same - Google Patents

Abstract

A composition for hair conditioner is provided to show excellent stability and good feeling of use, and have excellent conditioning effect and long term stability without including a cationic surfactant, thereby capable of providing cosmetic having excellent conditioning effect on hair. The composition comprises polyvinylpyrrolidone and at least one compound selected from the group consisting of fatty acid and high alcohol. The composition further contains at least one compound selected from the group consisting of multivalent alcohol and hydrophilic surfactant. The hair cosmetics containing the conditioning composition is provided.

Description

Conditioning composition and hair cosmetic containing same TECHNICAL TECHNOLOGY {CONDITIONING COMPOSITION AND HAIR COSMETIC CONTAINING THE SAME}

The present invention relates to a conditioning composition and a cosmetic using the same.

In recent years, hair dyes and permanents have been widely used regardless of age or sex, and hair dyes such as acid hair dyes and oxidized hair dyes, permanent wave agents, etc., cause hair loss such as stiffness and stiffness, and hair splits. It is a factor that causes damage to the hair, such as losing or breaking the hair.

For this reason, mix | blending a conditioning component in formulations, such as a hair dye and a permanent wave agent, is performed generally. For example, a hair treatment containing a specific polyhalogenodimethyldiarylammonium acrylamide copolymer, a higher alcohol, a surfactant, a reducing agent or an oxidizing agent, smoothing the perm hair without stickiness, and giving a wave effect and a hair treatment effect. The composition for this is proposed (Unexamined-Japanese-Patent No. 2002-60323).

In addition, in the cosmetics for shampoos, rinses, treatments and the like, hair conditioners and the like are expected to have a conditioning effect for making damaged hair look beautiful. It has been disclosed that the use of cationic polymers or cationic surfactants based on cationic cellulose as the conditioning component improves the conditioning effect. [FRAGRANCE JOURNAL, Vol. 31, No. 10, P14 to P20 (2003). )]

However, in such conventional conditioning compositions, when a cationic polymer is used, there is a drawback such as feeling the stiffness caused by so-called buildup, in which the polymer adhered to the hair gradually accumulates in the hair, and a cationic surfactant is used. When used, since the biodegradability is low, the load to an environment is large, and when mix | blending in a large amount, there existed a problem which was undesirable in terms of stability.

In addition, when a polymer such as the polyhalogenodimethyldiarylammonium acrylamide copolymer or cationized cellulose is used, the emulsification power of the emulsion is relatively small, so that the emulsion stability is poor and the conditioning composition tends to change over time.

Accordingly, the present invention provides a conditioning composition having excellent stability, good feeling, no stiffness due to buildup, etc., and excellent conditioning effect even when conventionally formulated with no cationic surfactant, and excellent hair stability over time. It aims at providing the cosmetics for hair used.

That is, the present invention is a conditioning composition, characterized in that it contains at least one kind of oil selected from the group consisting of fatty acids and higher alcohols and polyvinylpyrrolidone.

The conditioning composition of the present invention also preferably contains at least one compound selected from the group consisting of trivalent or higher polyhydric alcohols and hydrophilic surfactants.

And the hair cosmetics of this invention are cosmetics containing the said conditioning composition.

(Best form for carrying out the invention)

The conditioning composition of the present invention comprises at least one oil selected from the group consisting of fatty acids and higher alcohols and polyvinylpyrrolidone (PVP), and PVP dissolved in oils consisting of fatty acids and higher alcohols is emulsifier. Acts to improve the conditioning effect of the conditioning composition of the present invention.

As the fatty acid and the higher alcohol, those having 6 or more carbon atoms are preferable, and solid or liquid ones can be used at normal temperature, but liquid ones at normal temperature are preferable, and one or two or more of them can be used in combination. If the carbon number of fatty acids or higher alcohols is less than 6, the lipophilic properties are insufficient. If the lipophilic properties of the fatty acid forming the oil phase are insufficient, the conditioning effect is lowered, which is not preferable.

Examples of fatty acids that are liquid at room temperature include straight chain fatty acids such as capronic acid and caprylic acid, branched chain fatty acids such as isopalmitic acid and isostearic acid, and unsaturated fatty acids such as oleic acid, myristic acid and palmitic acid.

Examples of the higher alcohol which is liquid at room temperature include straight chain higher alcohols such as octanol and decanol, branched higher alcohols such as isostearyl alcohol and octyldodecanol, and unsaturated higher alcohols such as oleyl alcohol. .

The blending amount of the fatty acid and the higher alcohol is preferably at least 0.1% by weight, more preferably at least 1% by weight of the conditioning composition in its total amount. If the compounding amount is less than 0.1% by weight, good conditioning effect cannot be obtained. There is no upper limit in particular in the compounding quantity of this fatty acid and higher alcohol, It can mix | blend suitably in consideration of the usability of a conditioning composition, etc.

In the present invention, the PVP is dissolved in the oil consisting of the fatty acid and the higher alcohol, thereby improving the adhesion of the oil to the hair, thereby obtaining a good conditioning composition.

As such PVP, the weight average molecular weights are 1000-1500000, Preferably the thing of 5000-500000 is used. If the molecular weight is too low, the water solubility is high, so the conditioning effect is hard to be obtained. If the molecular weight is too high, the slipperiness and the stickiness tend to occur, and the usability decreases. The PVP is commercially available having a K value of about 15 to 100, and these commercially available products can be used. These PVPs may be used by one type, and may be used combining two or more types of PV values of K value.

The blending amount of this PVP is preferably 0.1% to 10% by weight, more preferably 0.2% to 2% by weight of the conditioning composition. If it is less than 0.1% by weight, the conditioning effect of the conditioning composition is insufficient, and if it exceeds 10% by weight, the viscosity of the system is too high, the usability is deteriorated, and slipperiness due to polymerization is also not preferable.

In the conditioning composition of the present invention, not only the oil and PVP but also a trivalent or higher polyhydric alcohol or a hydrophilic surfactant can be blended.

The conditioning composition of the present invention can obtain a good conditioning effect even when the above-mentioned trihydric or higher polyhydric alcohol is not used, but after the gel is formed by interaction of oil with PVP and polyhydric alcohol by containing the polyhydric alcohol. Dispersion of the gel in the aqueous phase can result in better dispersion stability and conditioning effects. Moreover, you may emulsify-disperse other oil components mentioned later. Therefore, by combining and using a trihydric or higher polyhydric alcohol, it is possible to further improve the emulsified state of the conditioning composition and to improve the stability over time.

Examples of the trihydric or higher polyhydric alcohol include glycerin, polyglycerol, sorbitol and the like. In the polyhydric alcohol of less than trivalent, the gel cannot be formed together with the oil, but the polyglycerol may be used for the upper limit of the hydrolysis, so it is not particularly limited, and one or two or more thereof can be used in combination. have.

The blending amount of the trivalent or higher polyhydric alcohol is preferably 0.1% to 30% by weight, more preferably 3% to 20% by weight of the conditioning composition. If it is less than 0.1 weight%, a gel cannot be formed, and when it exceeds 30 weight%, it becomes a sticky feeling. When mix | blending this polyhydric alcohol, it may be added as it is in the structural component of a conditioning composition, and may be added as an aqueous solution. The concentration of the polyhydric alcohol in the case of an aqueous solution is not particularly limited since it depends on the type of the polyhydric alcohol. However, the concentration of the polyhydric alcohol is preferably as high as possible to facilitate gelation.

In addition, by blending a hydrophilic surfactant to the conditioning composition of the present invention, it is possible to blend oil dispersion, particularly solid fatty acids and solid higher alcohols in a gel state, thereby obtaining a smoother feel.

The hydrophilic surfactant may be any of nonionic, anionic, cationic, and amphoteric. In terms of safety, nonionicity is preferable and may be in accordance with market demand.

As the hydrophilic nonionic surfactant, since the HLB is 8 or more, it is generally used in cosmetics, and it does not matter in particular, polyoxyethylene glycerin fatty acid esters, polyglycerol fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyoxyethylene Sorbit fatty acid esters, polyoxyethylene fatty acid esters, sucrose fatty acid esters, polyoxyethylene sterols, hydrogenated sterols, polyoxyethylene fatty acid alcohol ethers, polyoxyethylene cholesterol esters, polyoxyethylene polyoxy Propylene aliphatic alcohol ethers, polyoxyethylene lanolin lanolin alcohols, polyoxyethylene polyoxypropylene block copolymers, polyether modified silicones and the like can be used in combination of one or two or more. In the present invention, the hydrophilic surfactant is preferably added in an amount of 0.1 wt% to 10 wt% based on the total amount of the cosmetic.

In addition, the conditioning composition of the present invention may contain other oils other than the fatty acids and higher alcohols for the purpose of imparting better conditioning effects. As these fractions, any of solid, face and liquid phases can be used at room temperature, and hydrocarbon-based polar oils, non-polar oils, silicone oils and the like can be used.

As these fractions, glycerin trioctanoate, liquid paraffin, dimethylsilicone, amino modified silicone, etc. can be used, for example. Among them, dimethylsilicone and amino-modified silicone are preferred in that the effect of imparting glossiness of the hair is obtained.

In order to improve the conditioning effect, the blending amount of the oil is at least 0.1% by weight, preferably at least 0.5% by weight, and preferably at least 1% by weight in the total amount of the fatty acid and the higher alcohol.

The conditioning composition of this invention can also mix | blend and use a water-soluble polymer, The viscosity of external water increases by addition of a water-soluble polymer, can improve stability with time, and can also adjust a feeling of use.

Examples of the water-soluble polymers include carboxyvinyl polymer, sodium acrylate, xanthan gum, sodium arginate, sodium carboxymethylcellulose, hydroxyethyl cellulose, and the like. The water-soluble polymer is preferably blended in the conditioning composition at 0.05 wt% to 10 wt%, more preferably at 0.1 wt% to 1 wt%. If it exceeds 10% by weight, it may cause slipperiness and stickiness, resulting in deterioration of the usability.

Although the conditioning composition of this invention can be used for cosmetics of various uses, it can be used especially suitably for hair cosmetics, such as a shampoo, a rinse, a hair dye, a permanent wave agent, a hair dressing agent, a treatment. These cosmetics can of course contain, in addition to the above-mentioned ingredients, moisturizers, bactericides, preservatives, antioxidants, pH adjusters, ultraviolet absorbers, chelating agents, dyes, reducing agents, film forming agents, and the like.

(Example)

Subsequently, the present invention will be described in more detail with reference to Examples, but the present invention is in no way limited thereto.

Table 1 is an example for the rinse prescription according to the invention. In the following Tables 1 to 3, PVP is Daiichi Kogyo Seiyaku Co., Ltd., KRIZAS K-30 (K value = 30), and sucrose fatty acid ester as a hydrophilic surfactant is Daiichi Kogyo Seiyaku Co., Ltd. Merike S-160 was used.

PVP was gradually added to homogenize the mixture while stirring Examples 1 to 5 and Comparative Examples 1 and 2 shown in Table 1 with a homomixer showing oil at 80 ° C according to the blending composition (% by weight) shown in the table. Thereafter, glycerin and sucrose fatty acid ester were added while stirring, and the total amount was adjusted with purified water to prepare a conditioning composition. The stability and conditioning effects over time of each obtained conditioning composition were evaluated according to the following evaluation methods and evaluation criteria.

1. Stability over time

[Assessment Methods]

Each prepared conditioning composition was filled into a glass sample bottle and left at 50 ° C. for 1 month, and then the state of the composition was visually observed.

[Evaluation standard]

(Circle): No change is seen at all.

Δ: Some water separation is recognized.

X: Separation is clearly recognized.

2. Conditioning effect

[Assessment Methods]

Based on the untreated hair not based on the conditioning composition (zero point), after the treatment with each conditioning composition, water washing, the smoothness, moistness, and wave effects of the dried hair were measured by a panel of 10 to 5 points. Sensory evaluation was carried out at the stage, and the following evaluation was performed at this average point.

[Evaluation standard]

(Double-circle): It is excellent in the conditioning effect on average 3 points or more.

(Circle): The conditioning effect is substantially favorable in an average of 2 or more and less than 3 points.

(Triangle | delta): The conditioning effect is slightly unsatisfactory on average 1 or more and less than 2 points.

X: It is a complaint that the conditioning effect is bad in less than an average of 1 point.

Subsequently, the oxidizing hair dye first agent (Example 6, Comparative Example 3) shown in Table 2 and the permanent wave agent first agent (Example 7, Comparative Example 4) shown in Table 3 were prepared in the same manner as the above rinse formulation. It prepared and evaluated according to the said evaluation method and criterion. In addition, evaluation of the conditioning effect evaluated the comparative examples 3 and 4 by the system which does not contain PVP as a reference | standard (0 point) here.

In Tables 1 to 3, the conditioning composition according to the present invention has good hair smoothness, moistness, and wave effects after treatment, and among them, glycerin (polyhydric alcohol) and sucrose fatty acid ester (hydrophilic), as shown in the rinse formulation of Table 1 above. It turns out that Example 4 and Example 5 which used surfactant) together have a more excellent effect. In addition, the stability over time in any embodiment is good, so that the conditioning composition of the present invention can maintain excellent performance for a long time.

Although the conditioning composition of this invention can be used for various cosmetics, ie, it can be used widely as hair cosmetics, such as a shampoo, a rinse, an oxidizing hair dye, an acid hair dye, a permanent wave agent, a hair dressing agent, and a treatment.

The conditioning composition of the present invention has high safety and is preferable in the market, has no stiffness due to buildup, etc., has a conditioning effect without reducing or blending cationic surfactants, and can improve stability over time, and by using the It is possible to provide a cosmetic having an excellent conditioning effect on hair.

Claims (3)

And a polyvinylpyrrolidone and at least one oil selected from the group consisting of fatty acids and higher alcohols. The method of claim 1, A conditioning composition comprising at least one compound selected from the group consisting of trivalent or higher polyhydric alcohols and hydrophilic surfactants. The cosmetic composition for hair containing the conditioning composition of Claim 1 or 2.