JP6415126B2 - Aerosol spray hair conditioner - Google Patents

Description

  The present invention relates to an aerosol spray hairdressing agent in which a hairdressing agent stock solution is sprayed in the form of a mist.

  As a hair styling agent for setting a hair style, conventionally, a hair styling agent such as a solid hair styling agent (wax) that utilizes the adhesiveness of an oil component is known. In this solid hairdressing agent, solid oily components such as waxes and hydrocarbons stick hairs together. Excellent hair styling and hair softening action. However, it is difficult to apply the solid hairdressing agent uniformly to the hair.

  On the other hand, there is also known an aerosol spray hair styling agent which is composed of a hair styling stock solution and a propellant and which sprays the stock solution in the form of a mist to apply to the hair. If it is an aerosol spray hair styling agent, unlike a solid hair styling agent, it is easy to uniformly apply the hair styling agent to the entire hair.

  By the way, the aerosol spray hair styling agent is inferior to the solid hair styling property in re-hair styling, or the spray after spraying does not disappear early, and the user may feel smoke.

  In view of this, technical development for solving such problems has been carried out. Patent Document 1 includes an alcohol having 2 to 4 carbon atoms, a specific oily component that is solid or pasty at 25 ° C., a sucrose fatty acid ester, and a hydroxycarboxylic acid and an alcohol, and has a hydroxyl group in the molecule. There has been proposed an aerosol spray hair styling agent that has excellent hair styling properties and can suppress smokeiness during jetting by combining a hair styling stock solution containing an ester and a propellant.

JP 2007-99683 A

  By the way, the aerosol spray hair styling agent may be required to have a function capable of imparting gloss such as wetness to the hair after application. There is also a demand for suppressing the smokeiness at the time of jetting in this type of aerosol spray hairdressing agent.

  This invention is made | formed in view of the said situation, The objective is to provide the aerosol spray hairdressing agent which can suppress the smokeiness at the time of injection.

  The aerosol spray hairdressing agent of the present invention that has achieved the above object is a hairdressing agent stock solution and a propellant blended, and the hairdressing agent stock solution is sprayed in the form of a mist, and the hairdressing agent stock solution is At least (a) a hydroxypropyl cellulose having a viscosity of 150 mPa · s or more in a 2% by weight aqueous solution, (b) a 2- to 4-valent alcohol having 2 to 8 carbon atoms, and (c) ethanol. It is characterized by that.

  ADVANTAGE OF THE INVENTION According to this invention, the aerosol spray hairdressing agent which can suppress the smokeiness at the time of injection can be provided.

  The aerosol spray hairdressing agent of the present invention comprises (a) hydroxypropylcellulose (HPC) having a specific value of viscosity in a 2% by weight aqueous solution, (b) a 2- to 4-valent alcohol having 2 to 8 carbon atoms, And (c) a hairdressing agent stock solution containing ethanol and a propellant.

  In the hairdressing agent stock solution according to the aerosol spray hairdressing agent of the present invention, the component (b) having 2 to 8 carbon atoms and 2 to 4 carbon atoms is suitable for hair after application (the hair has its length). Is a component having a function of imparting a glossy appearance such as wetness to the hair, and ethanol as the component (c) plays a role as a solvent. It is a component that bears. However, the aerosol spray hairdressing composition composed by combining the hairdressing agent stock solution containing the component (b) and the component (c) and the propellant, the spray powder after the spraying is difficult to disappear early, and the user smoked. You may feel it.

  Therefore, in the present invention, the hairdressing agent stock solution is blended with (b) the component (c) and (a) HPC having a specific viscosity in an aqueous solution having a concentration of 2% by mass. It was possible to suppress smokeiness.

  In the present invention, it is not clear why the component (a) is blended with the hairdressing agent stock solution to suppress the smokeiness at the time of jetting, but the viscosity of the hairdressing agent stock solution is increased by blending the component (a). However, it is thought that the particle size of the sprayed powder that is sprayed becomes larger, and the time for the sprayed powder to fall downward becomes shorter.

  The HPC as component (a) has a viscosity of 150 mPa.s in a 2% strength by weight aqueous solution. s or more, preferably 200 mPa · s or more. By blending HPC having such a viscosity in the hairdressing agent stock solution, it is possible to satisfactorily suppress smokeiness during the spraying of the aerosol spray hairdressing agent. The viscosity of the HPC as the component (a) in a 2% by weight aqueous solution is preferably 10,000 mPa · s or less, and more preferably 5000 mPa · s or less.

  The viscosity of the 2 mass% concentration aqueous solution of HPC as used herein is a value obtained 60 seconds after the start of measurement at 25 ° C. using a B-type viscometer. In the above viscosity measurement, the type of rotor and the number of rotations may be set as appropriate.

  Examples of the HPC having the above-described viscosity include “NISSO HPC M (trade name)” manufactured by Nippon Soda Co., Ltd. (viscosity in a 2% by weight aqueous solution: 250 mPa · s) and “NISSO HPC H (product). Name) ”(viscosity in 2% strength by weight aqueous solution: 3500 mPa · s) and the like can be used.

  In the hairdresser stock solution, the amount of HPC as component (a) is preferably 0.01% by mass or more, more preferably 0.1% by mass or more, from the viewpoint of ensuring the above-mentioned effects better by its use. It is more preferable that However, if the amount of the component (a) in the hairdressing stock solution is too large, the viscosity of the stock solution becomes too high and it tends to be difficult to spray in a mist form. Therefore, in the hairdressing agent stock solution, the amount of HPC as component (a) is preferably 3% by mass or less, and more preferably 1% by mass or less.

  The alcohol which is the component (b) of the hairdressing agent stock solution according to the present invention is a C2 to C8 polyhydric alcohol having 2 to 4 carbon atoms. Specific examples of such component (b) include propylene glycol, 1,3-butylene glycol, dipropylene glycol, 1,3-propanediol, 1,2-hexanediol, glycerin, diglycerin and the like.

  In the hairdressing agent stock solution, the blending amount of the polyhydric alcohol as the component (b) is from the viewpoint of better ensuring the effect of its use (the effect of imparting an appropriate bundle feeling and wet luster to the hair), It is preferably 3% by mass or more, and more preferably 5% by mass or more. However, if the amount of the component (b) in the hairdressing stock solution is too large, the compatibility between the hairdressing stock solution and the propellant tends to decrease. Therefore, in the hairdressing agent stock solution, the blending amount of the polyhydric alcohol as the component (b) is preferably 40% by mass or less, and more preferably 30% by mass or less.

  In the hairdressing stock solution, ethanol as component (c) plays a role as a solvent as described above. It is preferable that the compounding quantity of the ethanol which is (c) component in hairdressing agent stock solution is 50-90 mass%.

  It is preferable that the hair styling agent stock solution further contains (d) water. The aerosol spray hairdressing agent of the present invention is configured by blending a hairdressing agent stock solution and a propellant. However, the HPC having the above viscosity as the component (a) is composed of ethanol and a propellant as a solvent for the hairdressing agent stock solution. It is difficult to dissolve in the mixed solution of, and precipitates may be formed. However, when the hair preparation stock solution also contains water as component (d), it is possible to suppress the generation of precipitates because of the increased solubility of the HPC, and the aerosol has a better product appearance. A spray hair styling agent can be obtained.

  However, if the amount of the component (d) in the hairdressing stock solution is too large, the compatibility between the hairdressing stock solution and the propellant tends to decrease. Therefore, from the viewpoint of increasing the uniformity of the entire hairdressing agent after blending the hairdressing agent stock solution and the propellant, the blending amount of water as component (d) in the hairdressing material is preferably 30% by mass or less. More preferably, it is 25 mass% or less. In addition, from the viewpoint of better ensuring the above-described effect by blending the component (d) with the hairdressing agent raw material, the blending amount of water as the component (d) in the hairdressing material is 0.5% by mass or more. It is preferable that it is 3 mass% or more.

  In addition to the above components (a) to (d), the hairdressing agent stock solution relating to the aerosol spray hairdressing agent of the present invention contains various types of hair cosmetics that are conventionally known, such as hairdressing agents. Ingredients can also be blended. Ingredients that can be incorporated into the hairdressing stock solution include set resins, surfactants (anionic surfactants, nonionic surfactants, amphoteric surfactants, cationic surfactants), powders (silica, kaolin, diatomaceous earth) Soil, octenyl succinate corn starch aluminum, etc.), fats and oils, ester oils, hydrocarbons (squalane, liquid paraffin, hydrogenated polyisobutene, etc.), waxes (candelilla wax, jojoba oil, etc.), higher alcohols (cetanol, stearyl alcohol, isostearyl) Alcohol, octyldodecanol, etc.), fatty acids (such as isostearic acid), silicone, UV absorbers (such as hydroxymethoxybenzophenone sulfonic acid), proteins (such as hydrolyzed keratin, hydrolyzed collagen and their derivatives), amino acids (leucine, G Tamamic acid, arginine, etc.), acid (phosphoric acid, citric acid, lactic acid, etc.) or base (2-amino-2-methyl-1-propanol, etc., salts thereof, etc.), plant extracts, flavors (including essential oils) ) And preservatives.

  Specific examples of the set resin include polyethyleneimine, polyvinylpyrrolidone, polyvinyl acetate, hydroxyethyl acrylate / butyl acrylate / methoxymethyl acrylate copolymer, hydroxyethyl acrylate / methoxyethyl acrylate copolymer, acrylic acid / Acrylic acid amide / ethyl acrylate copolymer, alkyl acrylate copolymer, acrylic acid octyl amide / hydroxypropyl acrylate / butylaminoethyl methacrylate copolymer, butyl acrylate / hydroxyethyl methacrylate copolymer, Acrylic resin alkanolamine [(alkyl acrylate / diacetone acrylamide) copolymer AMP, alkyl acrylate copolymer AMP, (alkyl acrylate / diacetone acrylamide) copolymer AMPD, Acrylates / alkyl acrylate (C1-18) / alkyl (C1-8) acrylamide) copolymer AMP, etc.], alkyl acrylate / alkyl methacrylate / diacetone acrylamide / methacrylic acid copolymer, hydroxyethyl acrylate / acrylic Butyl acrylate / methoxyethyl acrylate copolymer, alkyl acrylate / vinyl acetate copolymer, vinyl acetate / vinyl pyrrolidone copolymer, vinyl methyl ether / ethyl maleate copolymer, vinyl methyl ether / butyl maleate copolymer Polymer, vinyl acetate / crotonic acid copolymer, N-methacryloyloxyethyl-N, N-dimethylammonium-N-methylcarboxybetaine / alkyl methacrylate copolymer, vinylpyrrolidone / N, N-dimethylaminoe Le methacrylic acid copolymer diethyl sulfate salt, acrylated Tsu polymers, acrylated retaining clips polymer AMP, like polyurethane -14.

  Specific examples of anionic surfactants include fatty acid salts (such as sodium stearate and sodium hydroxystearate), acyl lactates (such as sodium stearoyl lactate), alkyl sulfate esters (such as sodium lauryl sulfate), and sodium alkyl ether sulfates. Alkyl ether carboxylates, acyl glutamates, monoalkyl phosphate esters, polyoxyethylene alkyl ether phosphates, and the like.

  Specific examples of nonionic surfactants include polyoxyethylene alkyl ethers; sucrose fatty acid esters, glycerin fatty acid esters, polyglycerin fatty acid esters, polyoxyethylene glycerin fatty acid esters, sorbitan fatty acid esters, polyoxyethylene sorbitan fatty acid esters, poly Fatty acid ester type nonionic surfactants such as oxyethylene sorbit fatty acid ester, polyethylene glycol fatty acid ester, propylene glycol fatty acid ester; polyoxyethylene lanolin; polyoxyethylene lanolin alcohol; polyoxyethylene sorbit beeswax; polyoxyethylene castor oil; poly Oxyethylene hydrogenated castor oil; polyoxyethylene sterol; and the like. In addition, it is preferable that the average addition mole number of ethylene oxide in each said nonionic surfactant is 2-150 mol. Examples of the polyoxyethylene alkyl ether include polyoxyethylene lauryl ether, polyoxyethylene cetyl ether, polyoxyethylene stearyl ether, polyoxyethylene oleyl ether, polyoxyethylene behenyl ether and the like. Furthermore, examples of the fatty acid in the fatty acid ester type nonionic surfactant include undecylenic acid, lauric acid, palmitic acid, myristic acid, stearic acid, isostearic acid, oleic acid, behenic acid, and linoleic acid.

  Specific examples of the amphoteric surfactant include 2-alkyl-N-carboxymethyl-N-hydroxyethylimidazolinium betaine, sodium laurylaminopropionate, coconut oil alkylbetaine, laurylhydroxysulfobetaine and the like.

  Specific examples of the cationic surfactant include monoalkyl quaternary ammonium salts such as lauryltrimethylammonium chloride, cetyltrimethylammonium chloride, stearyltrimethylammonium chloride; distearyldimethylammonium chloride, dicocoyldimethylammonium chloride, dicetyl chloride. And dialkyl-type quaternary ammonium salts such as dimethylammonium; benzalkonium-type quaternary ammonium such as benzalkonium chloride and stearyldimethylbenzylammonium chloride; and the like.

  Specific examples of fats and oils include avocado oil, shea fat, meadow foam oil, macadamia nut oil, wasabi seed oil, castor oil, rice bran oil, rosehip oil, Arganian spinosa kernel oil, baobab seed oil, coconut oil, hydrogenated oil, Evening primrose oil, olive oil, apricot kernel oil and the like.

Specific examples of ester oils include isopropyl myristate, butyl myristate, isopropyl palmitate, cetyl caprylate, oleyl oleate, isostearyl laurate, isotridecyl myristate, 2-hexyldecyl myristate, isostearyl myristate, myristine Acid 2-octyldodecyl, 2-ethylhexyl palmitate,
2-hexyldecyl palmitate, isostearyl palmitate, 2-diethylhexyl stearate, 2-hexyldecyl stearate, ethyl isostearate, isopropyl isostearate, cetyl 2-ethylhexanoate, hexyl isostearate, di-2-ethylhexane Ethylene glycol, propylene glycol dicaprylate, propylene glycol di (capryl / capric acid), glyceryl tricaprylate, glyceryl tri-2-ethylhexanoate, glyceryl tri (capryl / capric acid), pentaerythritol tetra-2-ethylhexanoate, tetra Pentaerythritol isostearate, 2-octyldodecyl neopentanoate, 2-hexyldecyl 2-ethylhexanoate, isostearyl 2-ethylhexanoate, 2-ethylhexyl nonanoate, 2-hexyldecyl dimethyloctanoate, 2-octyldecyl dimethyloctanoate, 2-ethylhexyl isospalmitate, 2-hexyldecyl isostearate, isostearyl isostearate, 2-octyldodecyl isostearate, lauryl lactate , 2-octyldodecyl lactate, dicaprylyl carbonate, tri-2-ethylhexyl citrate, distearyl malate, di-2-ethylhexyl succinate, diisopropyl adipate, diisobutyl adipate, di-2-ethylhexyl adipate, diethyl sebacate, sebacic acid Diisopropyl, di-2-ethylhexyl sebacate, dibutyloctyl sebacate, isocetyl 12-stearoylhydroxystearate, 12-stearoylhydroxystear Phosphate stearyl, such as 12 stearoyl-hydroxystearic acid, isostearyl and the like.

  Specific examples of silicone include dimethicone, amino-modified silicone, cyclopentasiloxane, polyether-modified silicone, dimethiconol, and cyclohexasiloxane.

  The hairdressing agent of the present invention is an aerosol spray in which a hairdressing agent stock solution is sprayed in a mist form. The hairdressing agent stock solution and a propellant are mixed to form a base, which is filled into an aerosol container to obtain a product. By taking such an aerosol spray form, the stock solution as the active ingredient can be more uniformly applied to the hair.

  As the propellant mixed with the hairdressing agent stock solution, various conventionally known propellants used for aerosol products can be used. For example, various liquefied petroleum gas (LPG), dimethyl ether (DME), etc., or a liquefied gas such as a mixture thereof; compressed gas such as nitrogen gas or carbon dioxide gas; hydrocarbon compound such as isopentane; The mixing ratio of the hairdressing agent stock solution and the propellant is generally, for example, stock solution / propellant = 20/80 to 80/20 (mass ratio).

  Hereinafter, the present invention will be described in detail based on examples. However, the following examples do not limit the present invention. In addition, in the composition of the hairdressing agent stock solution in Tables 1 to 3 below, the amount of each component is shown in% so that the whole hairdressing agent stock solution is 100%. In Tables 1 to 3, the% is omitted, and only the numerical value indicating the blending amount is displayed. Furthermore,% other than Table 1 to Table 3 described in this example means mass% unless otherwise specified.

Examples 1-6 and Comparative Examples 1-12
Examples 1 to 6 were prepared by mixing the hairdressing agent stock solution and the propellant (DME) prepared in the compositions shown in Tables 1 to 3 at a ratio of 50:50 (mass ratio), and filling them into aerosol containers. And the aerosol spray hairdressing agent of Comparative Examples 1-12 was obtained.

  And the four evaluators evaluated the smokeiness when the aerosol spray hairdressing agent of an Example and a comparative example was sprayed for 5 seconds, and scored according to the following reference | standard.

(Evaluation criteria for smokeiness when spraying aerosol spray hairdressing agent)
4 evaluators who do not feel smoke: 5 points
Three evaluators who do not feel smoke: 4 points
2 evaluators who do not feel smoke: 3 points
1 evaluator who doesn't feel smoke: 2 points
There are 0 evaluators who do not feel smoke: 1 point.

  The above evaluation results are also shown in Tables 1 to 3.

  In Tables 1 to 3, “total 100” in the column of ethanol means that the total amount of each component other than ethanol constituting the hairdressing stock solution is 100% by adding the amount of ethanol. (“100% in total” in the hairdressing agent raw material according to Example 7 described later has the same meaning).

Further, HPCs (1) to (4) described in Tables 1 to 3 are as follows (the same applies to the hair styling material according to Example 7 described later).
HPC (1): “Nisso HPC M (trade name)” manufactured by Nippon Soda Co., Ltd. (viscosity in a 2% aqueous solution is 250 mPa · s),
HPC (2): “Nisso HPC H (trade name)” manufactured by Nippon Soda Co., Ltd. (viscosity in 2% strength aqueous solution is 3500 mPa · s),
HPC (3) “Nisso HPC SL (trade name)” manufactured by Nippon Soda Co., Ltd. (viscosity in 2% strength aqueous solution is 5 mPa · s),
HPC (4): “Nisso HPC L (trade name)” manufactured by Nippon Soda Co., Ltd. (viscosity in 2% strength aqueous solution is 8 mPa · s).

  In addition, the viscosity in a 2% concentration aqueous solution of HPC (1) to (4) is the above-described method using a B-type viscometer, and for those having a viscosity of 100 mPa · s or more, No. 2 rotor is used. For those having a lower viscosity, the No. 1 rotor was used, and for those having a viscosity of 3000 mPa · s or more, the rotor rotational speed was 6 rpm, and for those having a lower viscosity, the rotor rotational speed was 60 rpm. .

  Furthermore, the polyethylene glycol described in Tables 1 to 3 has an average molecular weight of 1500.

  As shown in Table 1, in the aerosol spray hairdressing agents of Examples 1 to 6 configured by combining the hairdressing agent stock solution blended with the component (a) to the component (c) and the propellant, the smokeiness at the time of ejection is good. Was suppressed. In addition, when the state after injecting the aerosol spray hairdressing agent of Examples 1-6 to hair was confirmed, it was able to provide moderate bunch and wet luster.

  On the other hand, as shown in Tables 2 and 3, the aerosol spray hair styling agent of Comparative Example 1 using a hair styling agent stock solution containing no component (a), and HPC having a low viscosity in a 2% aqueous solution (a ) The aerosol spray hairdressing agents of Comparative Examples 2 to 9 using the hairdressing stock solution formulated in place of the component had more evaluators who felt smoke when jetting than those of the examples.

  Moreover, although the aerosol spray hairdressing agent of Comparative Examples 10-12 is an example using the hairdressing agent stock solution which mix | blended other components instead of (a) component, among these, the hairdressing agent stock solution which mix | blended hydroxyethyl cellulose was used. In Comparative Example 10 used and Comparative Example 11 using a hairdressing agent stock solution blended with polyquaternium-10 (cationized cellulose), precipitation occurred, so the smokeiness could not be evaluated (hence Table 3). Then, the column of these evaluation results is “−”). Furthermore, the aerosol spray hairdressing agent of Comparative Example 12 using a hairdressing agent raw material blended with polyethylene glycol having an average molecular weight of 1500 had more evaluators who felt smoke when jetting than the examples.

Example 7
The hairdressing agent stock solution prepared in the following composition and the propellant (DME) are mixed at a ratio of 50:50 (mass ratio) and filled into an aerosol container to obtain the aerosol spray hairdressing agent of Example 7. It was.

(Composition of hairdressing agent stock solution relating to aerosol spray hairdressing agent of Example 7)
HPC (2) 0.1%,
5% propylene glycol,
Dipropylene glycol 15%,
PEG-5 glyceryl isostearate 3%,
PPG-38 Butes-37 4%,
3% water,
Ethanol Total 100%.

  About the aerosol spray hair styling agent of Example 7, the smokeiness when sprayed by the same method as the aerosol spray hair styling agent of Example 1 was evaluated and sprayed in the same manner as the aerosol spray hair styling agent of Example 1. The smoke at the time was well controlled. Moreover, the aerosol spray hairdressing agent of Example 7 had a better appearance with no precipitates observed. Furthermore, when the state after injecting the aerosol spray hairdressing agent of Example 7 to the hair was confirmed, it was possible to impart an appropriate bundle feeling and wet luster.

Claims (3)

An aerosol spray hairdressing agent (except for gels on the coated surface) in which a hairdressing stock solution and a propellant are blended, and the hairdressing stock solution is sprayed in a mist form,
The hair styling stock solution is at least
(A) Hydroxypropyl cellulose having a viscosity of 150 mPa · s or more in a 2% by weight aqueous solution,
(B) 2 to 4 carbon alcohol having 2 to 8 carbon atoms, and (c) an ethanol spray hair styling agent characterized by comprising ethanol.   The aerosol spray hairdressing agent according to claim 1, wherein the amount of (b) 2 to 8 carbon atoms in the hairdressing agent stock solution is 3 to 40% by mass. Hydroxypropyl cellulose, a component (a), Ri viscosity der less 10000 mPa · s at 2% strength by weight aqueous solution, to claim 1 or 2 amount is Ru der 3 mass% of the hydroxypropylcellulose The aerosol spray hair styling agent described.