JP5923236B2 - Powder hairdressing agent - Google Patents

Description

  The present invention relates to a powder hairdressing agent.

  Emulsified compositions containing oils such as solid oil and liquid oil, typified by hair wax, are widely used as hair styling agents capable of re-shaping hair once prepared. However, since a large amount of oil is blended in the hair wax, there is a problem that the feeling of stickiness during hair styling and after hair styling stands out. In addition, there is a problem that after hair styling, the oily and unnatural texture becomes glaring.

  In the past, attempts have been made to blend various powders in order to reduce the stickiness caused by oil. Specifically, an oil preparation having a specific melting point, a hairdressing cosmetic containing spherical organic powder (see Patent Document 1), a liquid oil having a specific viscosity, a higher alcohol or a higher fatty acid, and a water-insoluble powder for cosmetics. An emulsified hair cosmetic containing a body, a surfactant, and water (see Patent Document 2), solid waxes and / or solid waxes, a specific sterol, a nonionic surfactant, and a solid powder A hair styling composition containing a body (see Patent Document 3) has been proposed.

  However, these trials can reduce the stickiness due to the oil to some extent, but there is a problem that the texture is inferior to the natural texture and becomes a greasy oily unnatural texture. Moreover, there exists a problem that it is inferior also to re-hair-setting.

  Also, attempts have been made to reduce the greasy oily unnatural texture by blending various powders, and to impart a natural texture and a matte texture. Specifically, it contains a hair styling (see Patent Document 4) containing fine particle nylon powder having a specific average particle size, an oil-swelling clay mineral, a liquid oil at 25 ° C., and a water-insoluble powder. Hair styling (see Patent Document 5) and the like have been proposed.

  However, these trials can give a natural texture and matte texture to some extent, but it is difficult to reduce the sticky feeling due to oil, resulting in inferior re-hairing properties.

  Thus, although the conventional hair wax has the effect which was excellent in the re-hairing property, there exists a problem that it is inferior to a sticky feeling and a natural texture. Therefore, it is a new dosage form that does not exist in the past and replaces an emulsified composition containing oil such as solid oil or liquid oil, represented by hair wax, etc. There has been a demand for the development of a hair styling agent that can impart a texture and also enables re-styling.

JP 2001-294518 A JP 2004-231615 A JP 2007-332132 A JP 2001-253810 A JP 2003-26550 A

  The present invention has been made in view of the above-described conventional technology, and it is possible to style hair without a sticky feeling, to give a natural texture, and to re-hair, and a new dosage form that has not been found in the past. It is an object to provide a hair styling agent.

  The present inventor has intensively studied to develop a hair styling agent of a new dosage form that has not been heretofore, and when a powder containing a hydrophobic powder, water, and a film-forming polymer is directly applied to the hair, Surprisingly, it has been found that hair can be styled without a sticky feeling, a natural texture can be imparted, and the hair style once set not only lasts, but also can be restyled.

That is, the present invention
[1] A powdered hair styling agent comprising a hydrophobic powder, water, and a film-forming polymer, wherein the hydrophobic powder is trimethylsiloxylated silicic anhydride, silicone oil-treated silicic anhydride and The hydrophobic powder is at least one hydrophobic silicic acid selected from the group of octylsiloxylated silicic acid, and the specific surface area of the hydrophobic powder according to the BET method is 50 m ² / g or more, A powder hair styling agent having a content of 10-30% by mass, a water content of 50% by mass or more, and a content of the film-forming polymer of 0.03-0.5% by mass, and [2] a film The powder hairdressing agent according to [1], wherein the forming polymer is at least one selected from the group of an anionic film forming polymer, a nonionic film forming polymer, and an amphoteric film forming polymer.

  The powdered hair styling agent of the present invention is a hair styling agent of a new dosage form that has not been conventionally used, and can significantly reduce the feeling of stickiness during and after styling, and gives a natural texture after styling. There is an effect that can be. In addition, the hair style that has been set once has not only excellent hair styling properties, but also has the effect of being able to re-hair.

  The powdered hairdressing agent of the present invention contains a hydrophobic powder, water, and a film-forming polymer. More specifically, it is composed of a water-containing powder having a hydrophobic powder, which will be described later, water, and a film-forming polymer as constituent components.

  The hydrophobic powder is a powder whose surface has been subjected to a hydrophobic treatment with a treatment agent described later. The powder to be used is not particularly limited as long as it can be hydrophobized, and examples thereof include silicic anhydride and aluminum oxide (alumina).

  The treatment agent used for the hydrophobization treatment is not particularly limited. Specifically, methyltrichlorosilane, dimethyldichlorosilane, trimethylchlorosilane, hexamethyldisilazane, methyltrialkoxysilane, dimethyldialkoxysilane, trimethylalkoxysilane, Ethyltrichlorosilane, propyltrichlorosilane, hexyltrichlorosilane, long-chain alkyltrichlorosilane, ethyltrialkoxysilane, propyltrialkoxysilane, hexyltrialkoxysilane, long-chain alkyltrialkoxysilane, methacrylsilane, fluoroalkylsilane, perfluoroalkylsilane Organic silyl compounds such as: dimethylpolysiloxane (silicone oil), methylphenylpolysiloxane, methylhydrogenpolysiloxane Sun, like silicone compounds such as amino-modified silicone. The hydrophobizing method is not particularly limited as long as it can be hydrophobized using a known method, and examples thereof include a liquid phase method, a gas phase method, and an autoclave method.

  Specific hydrophobic powders include, for example, dimethylsiloxylated silicic anhydride, trimethylsiloxylated silicic anhydride, octylsiloxylated silicic anhydride, silicone oil-treated silicic anhydride, methacrylsiloxylated silicic anhydride And hydrophobized silicic anhydrides such as hydrophobized alumina such as octylsilane-treated alumina. One of these hydrophobic powders may be used alone, or two or more thereof may be used in appropriate combination.

In addition, the hydrophobic powder used in the present invention preferably has a specific surface area by the BET method of 50 m ² / g or more, more preferably 100 m ² from the viewpoint of styling and imparting a natural texture. / G or more. The reason is that when the specific surface area is less than 50 m ² / g, the familiarity with the hair is deteriorated, a sufficient hair styling effect cannot be obtained, and the re-hair styling property is inferior.

Commercially available products can be used as they are for hydrophobic powders such as hydrophobized silicic anhydride and hydrophobized alumina. Specifically, as commercially available products of dimethylsiloxylated silicic anhydride, for example, AEROSIL R972 (specific surface area 110 ± 20 m ² / g), R974 (specific surface area 170 ± 20 m ² / g), R9200 (specific surface area 170) (± 20 m ² / g) (trade name, all manufactured by Nippon Aerosil Co., Ltd.).

Examples of commercially available products of trimethylsiloxyl silicic acid anhydride, for example, AEROSIL RX200 (specific surface area ^{140 ± 25m 2 / g),} R8200 ( specific surface area ^{160 ± 25m 2 / g),} RX300 ( specific surface area 210 ± ^20m 2 / g ), R812 (specific surface area 260 ± 30 m ² / g), R812S (specific surface area 220 ± 25 m ² / g) (trade name, both manufactured by Nippon Aerosil Co., Ltd.); VM-2270 Aerogel Fine particles (specific surface area 700 ± 100 m ²⁾ / G) (trade name, manufactured by Toray Dow Corning).

Examples of commercially available products of octylsiloxylated silicic anhydride include AEROSIL R805 (specific surface area 150 ± 25 m ² / g) (trade name, manufactured by Nippon Aerosil Co., Ltd.).

Examples of commercially available silicone oil-treated silicic acid anhydride include AEROSIL R202 (specific surface area 100 ± 20 m ² / g), RY200 (specific surface area 100 ± 20 m ² / g), RY200S (specific surface area 80 ± 15 m ² / g). , RY300 (specific surface area 125 ± 15 m ² / g) (trade name, all manufactured by Nippon Aerosil Co., Ltd.) and the like.

As a commercial item of methacrylsiloxylated silicic acid anhydride, AEROSIL R711 (specific surface area 150 ± 25 m ² / g) (trade name, manufactured by Nippon Aerosil Co., Ltd.) and the like can be exemplified.

Examples of commercially available products of octylsilane-treated alumina include AEROXIDE Alu C805 (specific surface area 100 ± 15 m ² / g) (trade name, manufactured by Nippon Aerosil Co., Ltd.).

  In the present invention, among the various hydrophobic powders described above, it is preferable to use hydrophobized silicic anhydride from the viewpoint of enabling hairstyling without stickiness. Further, among various hydrophobized silicic anhydrides, trimethylsiloxylated silicic anhydride, silicone oil-treated silicic anhydride, and silicone oil-treated silicic acid and from the viewpoint of being able to prepare a water-containing powder that can sufficiently exhibit the excellent effects of the present invention. It is more preferable to use at least one selected from the group of octylsiloxylated silicic anhydride.

  The content of the hydrophobic powder is not particularly limited as long as the desired effect is sufficiently imparted. Usually, however, the hair can be styled without stickiness and can be restyled, as well as the natural texture. From the viewpoint of imparting, preferably 1% by mass or more, more preferably 3% by mass or more in the agent. Moreover, from a viewpoint of suppressing the scattering at the time of application | coating, 40 mass% or less is preferable, More preferably, it is 30 mass% or less. From these viewpoints, the content of the hydrophobic powder is preferably 1 to 40% by mass, more preferably 3 to 30% by mass.

  The water contained in the powder hairdressing agent is not particularly limited as long as it can be used as a cosmetic raw material, but purified water is usually used. By making the powdered dosage form containing water in this way, the scattering of the hydrophobic powder during application is suppressed, preventing entry into the eyes, nose and mouth, and precisely where hair is to be applied. Can be applied.

  The content of water is not particularly limited as long as the desired effect is sufficiently imparted, but usually, 50% by mass or more is preferable in the agent from the viewpoint of suppressing scattering during application, and more preferably 60% by mass. % Or more. Moreover, from a viewpoint of setting it as a powdery dosage form, 99 mass% or less is preferable, More preferably, it is 90 mass% or less. From these viewpoints, the content of water is preferably 50 to 99% by mass, more preferably 60 to 90% by mass.

  The present invention comprises a water-containing powder of the above-described hydrophobic powder and water, and the contained water is released by rubbing the water-containing powder on the palm of the hand or on the hair during hair styling. However, by further blending a film-forming polymer, which will be described later, it is possible to exhibit an excellent hair-styling property that the hairstyle once set lasts.

  The film-forming polymer used is not particularly limited as long as it can provide excellent hair styling properties. For example, anionic film-forming polymer, cationic film-forming polymer, amphoteric film-forming polymer, nonionic film-forming polymer Etc. One of these film-forming polymers may be used alone, or two or more thereof may be used in appropriate combination.

  Specific anionic film forming polymers include (meth) acrylic acid alkyl copolymers, (meth) acrylic acid / (meth) acrylic acid alkyl copolymers, acrylic resin alkanolamines, methyl vinyl ether / maleic acid ester copolymers. Polymer, vinyl acetate / crotonic acid copolymer, vinyl acetate / crotonic acid / vinyl neodecanoate copolymer, vinyl acetate / crotonic acid / vinyl propionate copolymer, vinyl acetate / monobutyl ester maleate / isoborolyl Acrylate copolymer, acrylic acid / alkyl acrylate ester / alkyl acrylamide copolymer, polyvinylpyrrolidone / acrylate / (meth) acrylic acid copolymer, (styrene / alkyl acrylate) copolymer, (styrene / acrylic amide) ) Copolymer, urethane-acrylic Copolymers, and the like can be exemplified sodium polystyrene sulfonate. In the present specification, “(meth) acryl” means both “acryl” and “methacryl”.

  Specific examples of the cationic film-forming polymer include vinylpyrrolidone / N, N-dimethylaminoethyl methacrylic acid copolymer diethyl sulfate, O- [2-hydroxy-3- (trimethylammonio) propyl] hydroxyethylcellulose chloride. , Vinyl imidazolium trichloride / vinyl pyrrolidone copolymer, hydroxyethyl cellulose / dimethyl diallylammonium chloride, polyvinyl pyrrolidone / alkylamino acrylate / vinyl caprolactam copolymer, methyl vinyl imidazolium chloride / vinyl pyrrolidone copolymer, (vinyl pyrrolidone / Examples thereof include (dimethylaminopropyl methacrylamide / lauryl dimethylaminopropyl methacrylamide) copolymer.

  Specific amphoteric film forming polymers include N-methacryloyloxyethyl N, N-dimethylammonium-α-N-methylcarboxybetaine / methacrylic acid alkyl ester copolymer, N, N dimethyl-N- (2-methacryloyloxy). Ethyl) amine = N-oxide / methacrylic acid alkyl ester copolymer, hydroxypropyl acrylate / butylaminoethyl methacrylate / octylamide acrylate copolymer, monochloroacetic acid of dialkylaminoethyl methacrylate / alkyl methacrylate ester copolymer Examples include amphoteric compounds and (isobutylene / diethylaminopropylmaleimide / maleic acid) copolymers.

  Specific nonionic film-forming polymers include polyvinyl pyrrolidone, vinyl pyrrolidone / vinyl acetate copolymer, vinyl pyrrolidone / methacrylamide / vinyl imidazole copolymer, vinyl methyl ether / ethyl maleate copolymer, polyvinyl alcohol, A polyvinyl caprolactam etc. can be illustrated.

  Suitable film-forming polymers include anionic film-forming polymers, nonionic film-forming polymers, and amphoteric films from the viewpoint of maintaining the hairstyle once set and the uniformity and fineness of the resulting powder. It is preferred to use a forming polymer.

  Furthermore, the bulk density of the powder can be adjusted by blending a film-forming polymer. In other words, the amount of the above-mentioned water-containing powder, which is the main component of hair styling per volume, can be adjusted, and hair styling power according to the hair style can be imparted.

  The content of the film-forming polymer is not particularly limited as long as the desired effect is sufficiently imparted, but usually 0.01% by mass or more is preferable in the agent from the viewpoint of hair styling properties, and more preferably 0. It is 03 mass% or more. Moreover, 1 mass% or less is preferable from a viewpoint of the uniformity and fineness of the powder obtained, More preferably, it is 0.5 mass% or less. From these viewpoints, the content of the film-forming polymer is preferably 0.01 to 1% by mass, more preferably 0.03 to 0.5% by mass.

  In the powdered hairdressing agent of the present invention, as long as the effect of the present invention is not impaired, and within the range of maintaining the powdered dosage form, in addition to the above-described components, components usually used in cosmetics, for example, Polyhydric alcohols such as 1,3-butylene glycol and propylene glycol; hydrocarbon oils such as liquid paraffin, liquid isoparaffin, and squalane; thickening polymers such as carboxyvinyl polymer and cellulose ether; hyaluronic acid, collagen, pantothenyl alcohol, etc. These humectants can be appropriately blended depending on the purpose.

  The method for producing the powdered hairdressing agent of the present invention is not particularly limited as long as it can be produced by a known method. For example, the above-described components can be added and mixed using a Henschel mixer, The present invention is not limited only to these production methods.

  The method of using the powdered hairdressing agent of the present invention is not particularly limited as long as hairdressing can be performed. For example, a desired amount of powder is taken out of the palm and applied to the hair after thoroughly blending the palm. For example, a method of hair styling by rubbing; a method of hair styling by directly rubbing a desired amount on the part to be scoured and rubbed.

  The product form of the powder hairdressing agent of the present invention is not particularly limited as long as it is a product form filled in a container capable of taking out the powder, but for example, a jar that can be picked up with a fingertip and a desired amount can be taken out. Examples of the product form filled in a container of a type; a product form filled in a jar-type container and in which the opening of the container is closed with a cap having one or numerous punch holes can be exemplified. In both forms, it is easy to take out a desired amount in the palm of the hand, but the product form closed with a cap having a punched hole has an advantage that the desired amount can be directly sprinkled on the place where hair is to be applied.

  EXAMPLES Hereinafter, although this invention is demonstrated further in detail based on an Example, this invention is not limited only to these Examples. The blending amount represents “% by mass” unless otherwise specified. Moreover, the compounding quantity was converted into the pure part as each film formation polymer.

(Sample preparation 1)
According to the composition described in Table 1 and Table 2, each powdery hair styling agent of Examples 1-8, each waxy hair styling agent of Comparative Examples 1-3, and each gel hair styling agent of Comparative Examples 4-5 are prepared. The following evaluation was made. The results are shown in Tables 1 and 2. In addition, all evaluation was implemented on the constant conditions of constant temperature and humidity of 23 degreeC and 60% of humidity.

(Test Example 1: Evaluation during hair styling)
Using the wig, each sample obtained in the example and the comparative example was rubbed on the hair so that it was rubbed, and the “stickiness” at the time of styling was sensory evaluated according to the following evaluation criteria. Further, the “feel” after 10 minutes of hair styling and the “hair styling” after 30 minutes of hair styling were evaluated visually according to the following evaluation criteria.

<Evaluation criteria for stickiness during hair styling>
○: Hair can be adjusted without stickiness △: Hair can be adjusted, but slightly sticky feeling ×: Hair can be adjusted, but sticky

<Texture evaluation criteria>
○: Unnatural luster or shine or no powder floating, natural texture △: Unnatural or gloss or shine or powder floating, texture is slightly unnatural ×: Unnatural or gloss or shine Or the powder floating stands out and the texture is unnatural

<Evaluation criteria for hair styling>
○: The hairstyle set during styling is maintained △: The hairstyle set during styling is slightly broken ×: The hairstyle set during styling is completely broken

(Test Example 2: Evaluation during re-styling)
Two hours after the evaluation in Test Example 1, the hair was rectified again by scrubbing the hair, and the sensory evaluation was performed according to the following evaluation criteria for “re-hair styling” and “stickiness” during re-hair styling.

<Evaluation criteria for re-hairdressing>
○: The hair can be restyled as desired. △: The hair can be restyled, but the hair styling power is reduced. ×: The hair cannot be restyled as intended.

<Evaluation criteria for stickiness when re-hairing>
○: Can be re-haired without stickiness △: Can be re-haired, but slightly sticky feel ×: Re-hair can be re-haired but sticky

  From the results shown in Tables 1 and 2, the powdered hair styling agent described in each example can styling hair without stickiness as compared with conventional hair styling agents. It can be seen that it has a natural texture with no gloss or shine or powder floating. Moreover, not only has the excellent hair-styling property that the hairstyle once set lasts, but it can also be seen that the hair can be restyled as desired without stickiness.

  The powdered hair styling agent of the present invention is capable of styling hair without stickiness, imparts a natural texture, and has the effect of enabling re-hair styling. It replaces hair-styling agents such as hair waxes that contain a large amount of oil such as oil.

Claims (2)

A powdered hair conditioner,
Containing a hydrophobic powder, water, and a film-forming polymer,
The hydrophobic powder is at least one hydrophobic silicic anhydride selected from the group of trimethylsiloxylated silicic anhydride, silicone oil-treated silicic anhydride and octylsiloxylated silicic anhydride,
The hydrophobic powder has a specific surface area by the BET method of 50 m ² / g or more,
A powdery hair styling agent comprising 10-30% by mass of the hydrophobic powder, 50% by mass or more of the water, and 0.03-0.5% by mass of the film-forming polymer.   The powdered hairdressing agent according to claim 1, wherein the film-forming polymer is at least one selected from the group of an anionic film-forming polymer, a nonionic film-forming polymer, and an amphoteric film-forming polymer.