JP3499063B2 - Emulsion type hair treatment agent containing solvent - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an emulsifying type hair treatment agent, and more particularly, to the adsorption and adhesion of a hair modifying component to hair (hereinafter referred to as "sorbing property"). And an improved emulsifying hair treatment agent that improves the permeability to impart an excellent conditioning effect to the hair and prevent the conditioning property from being reduced by washing the hair. [0002] In recent years, the frequency of hair washing has been increasing along with changes in lifestyles and changes in consumer consciousness for a sense of cleanliness. As a result, the oil that protects the surface of the hair and the moisturizing components inside the hair leak out, causing problems such as dry and untidy hair after drying, and it takes time and effort to clean the hair daily. In addition, it also causes split ends, cut hairs, etc., and causes aesthetic problems. On the other hand, with the diversification of hairstyles and the rise in fashionable consciousness, various demands have been increasing for hair after drying, such as good feel, good appearance, and easy hairdressing. In order to solve these problems, various measures have been proposed for hair rinsing and hair treatment to be used after shampooing. Many of these proposals protect hair by adsorbing a hair-modifying component, such as a cationic surfactant represented by a quaternary ammonium salt, a cationic polymer, or an oil component, onto the surface of the hair. Or to improve it. However, in the above proposal, not only the sufficient conditioning effect cannot be obtained due to the insufficient amount of the hair-modifying component adsorbed, but also the point that the conditioning property is remarkably reduced by washing the hair has not been solved at all. [0003] The object of the present invention is only to enhance the sorption and penetration of the hair-modifying component to the hair and thus to give the hair after drying an excellent conditioning effect. In addition, an object of the present invention is to provide a hair treatment agent that maintains the conditioning effect imparted by daily hair washing. Means for Solving the Problems The present inventors have improved the above-mentioned problems by increasing the sorption property of a cationic surfactant as a hair-modifying component to hair and allowing the cationic surfactant to penetrate inside the hair. As a result of intensive studies considering that the point can be solved, the combination of a water-soluble inorganic salt, a cationic surfactant and a specific organic solvent can provide an extremely excellent conditioning effect (flexibility, good combability, etc.) on the hair. ) And found that the effect is not deteriorated by shampooing, and completed the present invention. That is, the present invention provides (A) 0.001 to 5% by weight of one or more selected from water-soluble inorganic salts, and (B) Formula 1: In the formula, _one of R ₁ , R ₂ , R ₃ and R ₄ represents an alkyl group having 8 to 24 carbon atoms or a hydroxyalkyl group, and the remainder is an alkyl group having 1 to 3 carbon atoms or hydroxyalkyl group. And X represents a halogen atom. Selected from 0.01 to 10% by weight of (C) a monohydric alcohol and / or an aromatic alcohol having 3 to 9 carbon atoms. The present invention provides an emulsified hair treatment agent characterized in that it contains one or more kinds in an amount of 0.01 to 20% by weight. According to the present invention, there is provided an emulsified hair treatment agent which not only imparts an excellent conditioning effect to dried hair but also maintains the applied conditioning effect without being deteriorated by daily hair washing. Provided. The configuration of the present invention will be described in more detail. The (A) water-soluble inorganic salt used in the present invention includes:
There is no particular limitation as long as the solubility in water at 20 ° C. is 0.53 g / 100 g or more.
Examples include sodium, potassium, calcium, magnesium, and aluminum salts such as nitric acid and sulfuric acid, and particularly preferred are magnesium chloride, sodium sulfate, and magnesium sulfate. These water-soluble inorganic salts can be used alone or in combination of two or more, and the amount thereof is 0.001 to 5% by weight, preferably 0.01 to 5% by weight, based on the whole emulsified hair treatment agent. 1% by weight. 0.001% by weight
If the amount is less than 5%, the sorption property and the permeability are not sufficient, so that the conditioning effect is not sufficiently exhibited. If the amount is more than 5% by weight, the stability of the emulsified hair treatment agent is deteriorated. The cationic surfactant (B) used in the present invention is represented by the following formula 1: Wherein _one of R ₁ , R ₂ , R ₃ and R ₄ is an alkyl group having 8 to 24 carbon atoms or a hydroxyalkyl group, and the remainder is an alkyl group having 1 to 3 carbon atoms or a hydroxyalkyl group. And X represents a halogen atom. A quaternary ammonium salt represented by, for example, cetyltrimethylammonium chloride,
Lauryl trimethyl ammonium chloride, stearyl trimethyl ammonium chloride, behenyl trimethyl ammonium chloride, chlorinated tallow alkyl trimethyl ammonium, cetyl trimethyl ammonium bromide, stearyl trimethyl ammonium bromide, behenyl trimethyl ammonium bromide, isostearyl ethyl dimethyl ammonium chloride, octadecyl trimethyl chloride Ammonium, oleyldimethylbenzylammonium chloride, isododecylbenzyldihydroxyethylammonium chloride, etc., and particularly cetyltrimethylammonium chloride, stearyltrimethylammonium chloride, hardened tallow alkyltrimethylammonium chloride, isostearylethyldimethyldimethylammonium chloride, stearyltrimethylammonium chloride. Hydroxye Le ammonium, bis-hydroxyethyl dihydroxypropyl stearyl ammonium chloride and hydroxy cetyl dimethyl ammonium chloride are preferred. These cationic surfactants can be used alone or in combination of two or more. The compounding amount is 0.01 to 10% by weight, preferably 0.1 to 5% by weight, based on the whole emulsifying type hair treatment agent. %. When the amount is less than 0.01% by weight, the conditioning effect is not sufficiently exerted. When the amount exceeds 10% by weight, not only the condition improving effect corresponding to the increased amount is not obtained, but also the skin irritation becomes strong. Not preferred. The organic solvent (C) comprising a monohydric alcohol and / or an aromatic alcohol having 3 to 9 carbon atoms used in the present invention includes propanol, butanol, isobutanol, pentanol, isopentanol, hexanol, and the like.
Octanol, isooctanol, nonanol, isononanol, 2-phenylethanol, cinnamon alcohol, benzyl alcohol, phenylpropanol, α-
Methylbenzyl alcohol, phenoxyethanol, isobutoxypropanol, ethylene glycol monobutyl ether and methylbenzylcarbinol are preferred, among which isobutanol, isopentanol, isohexanol, cinnamon alcohol, benzyl alcohol,
Phenylpropanol, α-methylbenzyl alcohol, isobutoxypropanol, ethylene glycol monobutyl ether and methylbenzylcarbinol are preferred. The compounding amount of these organic solvents is 0.01 to 20% by weight, preferably 0.1 to 1% by weight, based on the whole hair treatment agent.
0% by weight. When the amount is less than 0.01% by weight, a sufficient effect of promoting penetration cannot be recognized, and when the amount exceeds 20% by weight, the stability over time of the emulsified hair treatment agent is unfavorably deteriorated. The emulsified hair treatment composition of the present invention can be produced by a conventional method and can be in various forms such as a liquid, an emulsion, a cream and a foam. It can be applied to the hair depending on the usage. In addition, the emulsified hair treatment agent of the present invention may be appropriately added within a range that does not impair the effects of the present invention.
Contains conventionally known ingredients as emulsifying hair treatment agents such as oils, polyhydric alcohols, coloring agents, surfactants excluding cationic surfactants, sequestering agents, fragrances, water, preservatives, antioxidants, and ethanol. it can. The present invention will be described in more detail with reference to examples and test examples, but the present invention is not limited to these examples. Unless otherwise specified, “%” indicates “% by weight”. Examples 1 to 6 and Comparative Examples 1 to 6 Hair treatment agents (hair rinses) of Examples 1 to 6 and Comparative Examples 1 to 6 shown in Table 1 were prepared by a conventional method, and the conditioning properties of each emulsified hair treatment agent were used. Each evaluation of the effect on hair washing and the stability of the emulsion, and a comprehensive evaluation based on these evaluations were performed. [Table 1] Test Example (Evaluation Method) Evaluation of conditioning property (flexibility, good combability) After treating 8 g of hair tresses with the respective hair treatment agents prepared from Examples and Comparative Examples, a professional paneler (female in their twenties) 10
By name, compare conditioning to untreated tresses,
The sensory evaluation was performed in two stages of “good” or “equal or less”.
The results were determined according to the following evaluation criteria. ：: Six or more persons answered that the conditioning property was good. X: Five or less persons answered that the conditioning property was good. Evaluation of Persistence of Effect on Hair Washing The hair tresses used above were hand-washed for about 1 minute using 15 ml of a 10% aqueous sodium lauryl sulfate solution, and then rinsed well with running water and air-dried. After this treatment, the conditioning properties were compared with the untreated hair bundles by ten professional panelists (females in their twenties), and the sensory evaluation was made in two stages of “good” or “equal to or less”. The results were determined according to the following evaluation criteria. ：: 6 or more persons answered that the conditioning property was good. X: 5 or less persons answered that the conditioning property was good. Evaluation of emulsion stability After preparing emulsified hair treatment agent (hair rinse), 40 ° C
For 7 days to determine the stability. ：: No separation was observed X: Separation was observed Comprehensive Evaluation Based on the evaluation results for the above test items 1 to 3, each emulsifying hair treatment agent was comprehensively evaluated according to the following criteria. ：: All evaluations were × x: Other than the above Evaluation results of the above 1 to 4 are collectively shown in Table 1. The emulsified hair treatment composition of the present invention (Examples 1 to 3)
In 6), excellent results were obtained in all the evaluation items, whereas the emulsified hair treatment agent of Comparative Example 3
It was extremely inferior in at least one of the three evaluation items, and it was revealed that the emulsified hair treatment agent could give only a low overall evaluation. Example 7 (Hair cream) To component A heated to 60 ° C, component B heated to 60 ° C was added and mixed with stirring. Subsequently, component C was added while cooling, and a hair cream was produced. Ingredient Content (%) (Component A) Sodium lactate 0.5 2-Phenylethanol 2.0 Stearyltrimethylammonium chloride 2.0 1,3-butylene glycol 1.0 POE (5) Cetyl ether 1.2 L- Cysteine 1.0 Residual water (Component B) Liquid paraffin 2.0 (Component C) Triethanolamine 0.1 Total 100.0 Example 8 (Hair rinse) And the components B were mixed and stirred at 80 ° C., then these components A
While mixing and component B, component C was added to produce a hair rinse. Ingredient Content (%) (Component A) Benzyl alcohol 3.0 Stearyltrimethylammonium chloride 2.0 Cetyl alcohol 4.0 (Component B) Aluminum chloride 0.05 Propylene glycol 5.0 Preservative Fine water Remaining amount ( Component C) Perfume 0.1 Total 100.0 Example 9 (Hair Treatment) Ingredient A was mixed and stirred at 80 ° C, and Component B was mixed and stirred at 80 ° C. Then, these components A
While mixing and component B, component C was added to produce a hair treatment. Component Amount (%) (Component A) Dimethylbenzylcarbinol 10.0 Cetyltrimethylammonium chloride 4.0 Cetyl alcohol 9.0 (Component B) Sodium bromide 1.0 Propylene glycol 5.0 Preservative Fine water Residual amount (Component C) Fragrance 0.1 Total 100.0 When these emulsified hair treatment agents of Examples 7 to 9 were applied to the hair, it was recognized that the conditioning property was maintained even after washing the hair. By using a water-soluble inorganic salt and an organic solvent in combination with a cationic surfactant, not only an excellent conditioning effect is imparted to the hair, but also the durability of the effect on hair washing is improved. The emulsified type hair treatment agent can be provided.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-5-286830 (JP, A) JP-A-6-192045 (JP, A) JP-A-5-926 (JP, A) JP-A-63-1988 150215 (JP, A) JP-A-62-174004 (JP, A) JP-A-63-250312 (JP, A) JP-A-7-69837 (JP, A) JP-A-7-112921 (JP, A) JP-A-7-69836 (JP, A) JP-A-5-43430 (JP, A) JP-A-11-229919 (JP, A) JP-A-5-43425 (JP, A) JP-A-6-298625 (JP, A) (58) Field surveyed (Int. Cl. ⁷ , DB name) A61K ^7/ 00-7/50

Claims (1)

(57) [Claims 1] (A) 0.001 of one or more selected from magnesium chloride and magnesium sulfate
-5% by weight, (B) Formula 1: Wherein _one of R ₁ , R ₂ , R ₃ and R ₄ has 8 carbon atoms
And X represents an alkyl group or hydroxyalkyl group having 1 to 24 carbon atoms, and the remainder represents an alkyl group or hydroxyalkyl group having 1 to 3 carbon atoms or a benzyl group, and X represents a halogen atom. 0.01 to 10% by weight of one or more of the quaternary ammonium salts represented by the formula (1), and (C) one or two or more selected from organic solvents consisting of benzyl alcohol and ethylene glycol monobutyl ether. An emulsifying hair treatment agent characterized by containing 0.01 to 20% by weight.