JPH1077215A - Cosmetic raw material and cosmetic composition comprising the raw material - Google Patents

Abstract

(57) [Summary] [PROBLEMS] When a hair cosmetic composition such as a hair rinse and hair treatment is used, it has good combability and can be an excellent cosmetic which does not leave a firm feeling on hair after washing. Another object of the present invention is to provide a cosmetic composition having good dispersibility of pigment and free from so-called sweating phenomenon during storage when used as a solid cosmetic such as lipstick, eyeliner, foundation and the like. A sugar fatty acid ester having a monoester content of 20% or less and a fatty acid having 18 to 22 carbon atoms, at least methylpolysiloxane, methylphenylsiloxane,
2. A cosmetic material comprising at least one selected siloxane from methyl polycyclosiloxane, wherein the fatty acid ester of the material is 0.1 to 10%, and the selected siloxane according to claim 1 is 0.05%. A hair cosmetic composition or a solid cosmetic composition, each of which is contained in the cosmetic composition.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hair cosmetic composition and a solid cosmetic composition, and its object is to provide a hair cosmetic composition such as a hair rinse or hair treatment, which has good combability. It can be used as an excellent cosmetic that does not leave stiffness on the hair after washing, and when used as a solid cosmetic such as lipstick, eyeliner, foundation, etc., it has good pigment dispersibility and does not have a so-called sweating phenomenon during storage. An object of the present invention is to provide a cosmetic composition that can be used as a cosmetic.

[0002]

2. Description of the Related Art According to the prior art, due to chemical reasons such as permanent wave treatment and hair dye treatment, the smooth texture of hair may be lost, and a hard and crisp feel may be caused. In addition, the hair after washing is liable to have a dry and dry feeling due to the effect of the detergent due to the effect of the washing agent, and the combability is poor, and split ends, cut hairs, etc. are generated, and the hair is likely to be damaged. . Furthermore, hair is often mechanically damaged by brushing or the like. Silicon derivatives are often used as a raw material that protects hair from these mechanical damages, improves the feeling of unity after drying, improves combability with hair, and provides excellent gloss.

[0003] In other words, various oil agents such as siloxane, ester oil and hydrocarbon oil, and cationic surfactants are blended in hair cosmetics for the purpose of giving the hair flexibility, moist feeling, smoothness and the like. In particular, siloxane is known to impart flexibility, moist feeling, and smoothness, and is used in many hair cosmetics. However, even if these siloxanes and cationic surfactants are used to improve the texture of the hair, the durability of the hair cannot be expected sufficiently, and especially when siloxane is used in large amounts in hair or used repeatedly for a long time. However, there is a drawback that the hair has a squeaky feeling. In addition, a conditioning agent containing a large amount of oil such as silicone to improve the cohesiveness after drying makes it difficult for the active ingredient to fully spread to the entire hair at the time of application, and causes a feeling of stickiness to the dried hair. Therefore, there is a problem that a good finish feeling cannot be obtained. Furthermore, silicone derivatives such as siloxane may remain on the hair even after washing the hair, leaving a stiff feeling.

On the other hand, solid cosmetics such as lipsticks, eyeliners, foundations and the like often separate liquid components during storage and cause a so-called sweating phenomenon, which is due to insufficient dispersibility of the pigment. It is believed to be based.

[0005]

In view of the above circumstances, when a hair cosmetic composition such as a hair rinse and hair treatment is used, an excellent cosmetic composition which has good combability and does not leave a firm feeling on the hair after washing. Can also be lipstick,
It is an object of the present invention to provide a cosmetic composition which has good dispersibility of a pigment when stored as a solid cosmetic such as an eyeliner and a foundation, and which can be free from a so-called sweating phenomenon during storage.

[0006]

According to a first aspect of the present invention, there is provided a sugar fatty acid ester having a monoester content of 20% or less and a fatty acid having 18 to 22 carbon atoms, at least methylpolysiloxane and methylphenyl. Siloxane,
A cosmetic raw material comprising one or more siloxanes selected from methyl polycyclosiloxanes.
According to the invention, the fatty acid ester according to claim 1 is contained in the cosmetic composition in an amount of 0.1 to 10%, and the siloxane selected in claim 1 is contained in the cosmetic composition in an amount of 0.05 to 10%. According to a third aspect of the present invention, there is provided a cosmetic composition comprising the raw material of the first aspect or the cosmetic according to the second aspect is a hair cosmetic composition. The invention according to claim 4, which relates to a composition, is a cosmetic comprising the raw material according to claim 1 or the cosmetic according to claim 2.
A cosmetic composition according to claim 1, wherein the cosmetic is a solid cosmetic composition.

Hereinafter, the configuration of the present invention will be described in detail.

DETAILED DESCRIPTION OF THE INVENTION The sugar fatty acid ester used in the cosmetic raw material according to this description is an esterified product of a polysaccharide of 2 or more monosaccharides and a fatty acid having 18 to 22 carbon atoms, and a monoester content of 20%. The following sugar fatty acid esters can be suitably used. Specific examples of the sugar constituting the sugar fatty acid ester include sucrose, maltose, maltitol, and trehalose. Examples of the fatty acid include linear saturated fatty acids such as stearic acid and behenic acid, 12-hydroxystearic acid and lanolin. Fatty acids and the like can be mentioned. The reason why the sugar used as the raw material of the sugar fatty acid ester is a polysaccharide of two or more monosaccharides is that monosaccharides are not preferable because of insufficient combability when used in hair cosmetics. In addition, the reason why fatty acids having 18 to 22 carbon atoms are used as fatty acids as raw materials of sugar fatty acid esters is that fatty acids having less than 18 carbon atoms can effectively suppress the sweating phenomenon when used in solid cosmetics. In addition, if the fatty acid has more than 22 carbon atoms, the solid cosmetic becomes too hard and the feeling of use is impaired, which is not preferable. In any case, the fatty acid having 18 to 22 carbon atoms is most preferable. This sugar fatty acid ester may be produced according to a conventional method, and includes dimethyl sulfoxide (DMSO), dimethylformamide (D
It may be produced by an ester reaction using MF) or N-methyl 2-pyrrolidone (NMP) as a solvent, a microemulsion ester method, a solventless ester method, or the like.

In the present invention, a siloxane is used in combination with the sugar fatty acid ester. The siloxane used in the present invention has a viscosity at 25 ° C. of 2 to 100,000 c.
Those having the property of s are desirable, and specifically, one or more siloxanes selected from methylpolysiloxane, methylphenylsiloxane, and methylpolycyclosiloxane having this property are blended.

In the present invention, a sugar fatty acid ester and a siloxane are used in combination in a cosmetic composition as a cosmetic raw material. When the hair cosmetic composition is used, the siloxane has a soft and moist feeling on the hair. The sugar fatty acid ester provides excellent smoothness to the hair and an effect that does not give the hair a stiff feeling even after the hair is washed. Furthermore, in the present invention, a sugar fatty acid ester and a siloxane are used in combination in a cosmetic composition as a raw material for a cosmetic. When a solid cosmetic composition is used, the siloxane improves the solubility of the pigment, Fatty acid esters improve the dispersibility of pigments and solvents, and thus avoid the sweating phenomena of solid cosmetic compositions.

In the present invention, a sugar fatty acid ester and a siloxane are used in combination in a cosmetic composition as a raw material for a cosmetic. % And siloxane are desirably blended in an amount of 0.05 to 10%. The reason why the content of the sugar fatty acid ester is 0.1 to 10% is as follows.
If the compounding amount is less than 0.1%, sufficient combability cannot be obtained and the hair will have a stiff feeling after shampooing.
If it is added in excess of 0%, the effect of the siloxane on imparting softness, moist feeling and smoothness to the hair is impaired, and in any case it is not preferred.

The reason that the amount of the siloxane is 0.05 to 10% is that if the amount of the siloxane is less than 0.05%, the hair cannot be given flexibility, moist feeling, smoothness, etc. If the content is more than 10%, the squeaky feeling or stiffness is given to the hair, which is not preferable. In any case, the object of the invention cannot be achieved.

A cosmetic composition using such a sugar fatty acid ester and siloxane as a cosmetic raw material can be a hair cosmetic composition such as a hair treatment, a hair rinse, a shampoo, a hair cream, or a lipstick,
It can be a solid cosmetic such as an eyeliner or a foundation. The cosmetic raw material and the cosmetic composition comprising the raw material referred to in the present invention may belong to any of pharmaceuticals, quasi-drugs, cosmetics and the like in the Pharmaceutical Affairs Law, and may be any composition used for makeup. .

[0013]

EXAMPLES In order to clarify the effects of the present invention,
Examples and test examples are shown. (Example 1) 34.2 g (0.1 mol) of sucrose and 129.4 g of DMSO as a reaction solvent were placed in a 500 ml flask and dissolved by heating. 64.7 g (0.22 mol) of methyl stearate and 0.26 g of potassium carbonate as a catalyst are added thereto and reacted at 92 to 95 ° C. and 15 to 20 mmHg for 6 hours. The conversion was 96.9%. After completion of the reaction, the catalyst is neutralized and filtered, and then most of DMSO is recovered under reduced pressure. The reaction product was dissolved in 3 times the volume of MEK, and recrystallized, filtered and dried to obtain 82.5 g of a white powder. The monoester content of this product was 15.4%. The monoester content was measured by measuring the monoester content in the sucrose ester described in Sugar Ester Monogatari (published on July 10, 1984 by Daiichi Kogyo Seiyaku Co., Ltd.). Based on the law. The outline of this method is a quantitative method for separating a monoester and a diester and a triester in a sugar ester by TLC, measuring a bound sugar by a colorimetric analysis method, and quantifying a monoester content in a total ester. is there.

(Examples 2 to 9) Reaction purification was carried out under the same mixing ratio as in Table 1 and under the same conditions as in Example 1 to obtain sugar fatty acid esters shown in Table 1.

[Table 1]

[0015]

[Comparative example]

(Comparative Example 1) 34.2 g (0.1 mol) of sucrose and D
105.8 g of MSO is placed in a 500 ml flask and dissolved by heating. 52.9 g of methyl stearate
(0.18 mol), 0.26 g of potassium carbonate as a catalyst
And react at 92-95 ° C and 15-20 mmHg for 6 hours. The conversion was 96.9%. After completion of the reaction, the catalyst is neutralized and filtered, and then most of DMSO is recovered under reduced pressure. The reaction was dissolved in 3 volumes of MEK, recrystallized,
After filtration and drying, 67.5 g of a white powder was obtained. The monoester content of this product was 21.5%. The measurement of the monoester content was performed in the same manner as in Example 1.

(Comparative Examples 2 to 9) Reaction purification was performed under the same mixing ratio as in Table 2 and the same conditions as in Comparative Example 1 to obtain sugar fatty acid esters shown in Table 2.

[Table 2]

[Test example]

(Test Example 1) Using the sugar fatty acid esters obtained in Examples 1 to 9 and Comparative Examples 1 to 9 to prepare cosmetics in accordance with the formulation (unit: g) shown in Test Examples 1 and 2, cosmetics A to T I got

"Combability" and "Roughness" test The hair cream of Table 3 was used by 20 subjects, and after washing the hair, it was thoroughly wiped off with a dry towel and dried at room temperature for 30 minutes. "And" Roughness ". A questionnaire was given on a 5-point scale with 5 points for "very good", 4 points for "excellent", 3 points for "normal", 2 points for "poor", and 1 point for "very poor". Table 3 shows the average values. The higher the value, the better the combability and less stiffness.

[Table 3]

(Test Example 2) "Combability" and "Roughness" test The hair rinse shown in Table 4 was used by 20 subjects, and after washing the hair, it was thoroughly wiped with a dry towel, dried at room temperature for 30 minutes, and interviewed. Then, the "combability" and "stiffness" were examined. A questionnaire was given on a 5-point scale with 5 points for "very good", 4 points for "excellent", 3 points for "normal", 2 points for "poor", and 1 point for "very poor". Table 4 shows the average values. The higher the value, the better the combability and less stiffness.

[Table 4]

(Test Example 3) "Sweating" test The lipstick prepared according to the formulation shown in the following table was allowed to stand at 10 ° C for 10 days, then placed in a thermostat at 40 ° C, and the state of sweating after 10 days was observed. The raw material formulations and results are summarized in Table 5. Lipstick Formulation% Samples obtained in Examples or Comparative Examples 10.0 Siloxane 5.0 Beeswax 5.0 Oxystearic acid 10.0 Cetyl isostearate 45.0 Liquid Lanolin 10.0 Titanium oxide 0.5 Pigment (red) No. 2) 4.5

[Table 5]

(Test Example 4) "Sweating" test A stick-type blush prepared according to the formulation shown in the following table was prepared at 10 ° C.
After leaving for 10 days in a thermostat at 40 ° C., the state of perspiration after 10 days was observed. The raw material formulations and results are summarized in Table 6.

[Table 6] Formula of blusher Blending% Sample obtained in Example or Comparative Example 10.0 Siloxane 5.0 Carnauba wax 10.0 Octyl palmitate 15.0 Tetraisostearate Pentaeslit 45.0 Color pigment 5.0

[0021]

According to the first aspect of the present invention, the monoester content is 20% or less and the fatty acid has 18 carbon atoms.
The present invention according to claim 2 relates to a cosmetic raw material comprising a sugar fatty acid ester of at least one selected from the group consisting of at least one of saccharide fatty acid esters of at least one of methylpolysiloxane, methylphenylsiloxane and methylpolycyclosiloxane. Item 1 wherein the fatty acid ester is 0.1 to 10
%, And 0.05 to 10% of the selected siloxane according to claim 1 is contained in the cosmetic composition, and the invention according to claim 3 relates to the invention according to claim 1. The present invention relates to a cosmetic composition characterized in that the cosmetic comprising the raw materials or the cosmetic according to claim 2 is a hair cosmetic composition.
Since the cosmetic comprising the raw material of the above or the cosmetic according to claim 2 is a cosmetic composition characterized by being a solid cosmetic composition, the following effects are obtained. As is clear from the above test examples, the present invention provides an excellent cosmetic composition that has good combability when leaving a hair cosmetic composition such as a hair rinse and hair treatment, and does not leave a firm feeling on the hair after washing. The present invention is a cosmetic composition which can be used as a solid cosmetic such as a lipstick, an eyeliner, a foundation, etc. and has a good pigment dispersibility and does not cause a so-called sweating phenomenon during storage.

Claims (4)

[Claims] 1. A sugar fatty acid ester having a monoester content of 20% or less and a fatty acid having 18 to 22 carbon atoms, and at least one selected from methylpolysiloxane, methylphenylsiloxane and methylpolycyclosiloxane. Cosmetic raw material consisting of siloxane. 2. The fatty acid ester according to claim 1, wherein the fatty acid ester is 0.1.
A cosmetic composition comprising 1 to 10% and 0.05 to 10% of the selected siloxane according to claim 1 respectively in the cosmetic composition. 3. A cosmetic composition comprising the raw material according to claim 1 or the cosmetic composition according to claim 2 as a hair cosmetic composition. 4. A cosmetic composition comprising the raw material according to claim 1 or the cosmetic composition according to claim 2 as a solid cosmetic composition.