JPH04308520A - W/o-type make-up cosmetic - Google Patents

Abstract

PURPOSE:To provide the subject cosmetic by mixing and dispersing water into water-repellent powder to obtain a structure containing fine water-droplets dispersed in the powder and adding an oil to the dispersion to get excellent applicability and cool and refreshing feeling. CONSTITUTION:A powdery material (e.g. yellow iron oxide and fine powder of titanium oxide) is coated with a water-repellent agent (e.g. methylhydrogen polysiloxane) using an air-flow dryer or spray dryer and the coated powdery material is heat-treated to obtain water-repellent powder. The objective W/O- type make-up cosmetic can be prepared by compounding 93-40wt.% of the water- repellent powder with 5-40wt.% of water and 2-20wt.% of an oil (e.g. oleic acid, liquid paraffin or squalane). The water-repellent powder is preferably coated with an oil containing Si-H group such as silicone oil and methylsilicone oil. The cosmetic has excellent applicability (spreadability, adhesivity, refreshing feeling and durability) and suitable as a foundation for summer season.

Description

[Detailed description of the invention]

0001

[Industrial Field of Application] The present invention relates to a W/O type makeup cosmetic made by blending water-repellent powder and water. By mixing and dispersing the powder, it has a structure in which water droplets are finely dispersed between the powders, and has excellent usability properties (spreadability, adhesion, cool feeling, and makeup retention), making it a W/O type makeup suitable as a summer foundation. Regarding cosmetics.

0002

[Prior art and problems to be solved by the invention] Make-up cosmetics using water include water, surfactants,
2. Description of the Related Art Cream-type foundations are conventionally known, which are created by dispersing powder in a milky lotion or cream made of oil or the like. These foundations spread easily and stay on easily, but they have problems with makeup retention, and because they contain surfactants, they tend to crumble under harsh conditions such as when sweating in the summer or swimming. Ta.

[0003] Cake type foundations have excellent performance in terms of makeup retention, water resistance, UV protection, etc., and are currently the mainstream. There was a problem with the lack of smoothness.

On the other hand, oil-based foundations have excellent makeup retention, water resistance, UV protection, etc., and feel smooth when applied, but because they contain a large amount of oil, they have a refreshing feel. There was a problem that I could not get it.

[0005] In view of these problems, the present inventor has developed a product that has excellent performance in makeup retention, water resistance, UV protection, etc., has a smooth feel when applied, and has a refreshing and refreshing finish. As a result of intensive research on makeup cosmetics that can be obtained, it was found that by mixing and dispersing water into water-repellent powder, a structure with finely dispersed water droplets can be obtained between the powders, and that the water droplets act as a type of lubricant. They discovered that because it acts like a coolant, it gives a cool, refreshing feeling when applied to the skin.

That is, the object of the present invention is to mix and disperse water into a water-repellent powder, so that the powder has a structure in which water droplets are finely dispersed between the particles, has excellent usage characteristics, and provides a cool and refreshing feel. The purpose of the present invention is to provide W/O type makeup cosmetics that can be used in various ways.

[0007]

[Means for Solving the Problems] The present invention achieves the above objects by using the following components (A) to (C) (A) Water repellent treated powder 93 to 40
Weight% (B) Oil agent
2-20% by weight (C) water
It is a W/O type makeup cosmetic characterized by containing 5 to 40% by weight.

The configuration of the present invention will be explained in detail below. The powder used in the present invention includes colored pigments such as yellow iron oxide, red iron oxide, black iron oxide, chromium oxide, carbon black, and ultramarine, white pigments such as zinc oxide, titanium oxide, cerium oxide, and zirconium oxide, talc, Extender pigments such as mica, sericite, kaolin, and mica, pearl pigments such as titanium mica, metal salts such as barium sulfate, calcium carbonate, magnesium carbonate, aluminum silicate, and magnesium silicate, and organic coatings such as N-acylaspartic acid coated mica. Pigments and metal soap treated pigments, nylon powder, silk powder, urethane powder, Teflon powder, cellulose powder,
Polymers such as silicone powder, gold-dyed silk powder, inorganic powders such as silica and alumina, pigments such as Blue No. 404, lake pigments such as Red No. 2 Al lake, fine titanium oxide, fine zinc oxide, alumina-coated fine particles Examples include fine particle powders such as titanium and silica-coated fine particle titanium oxide.

[0009] Water repellent treatment agents used in the present invention include silicone oils containing Si-H groups such as methylhydrogenpolysiloxane, silicone oils containing Si-OH groups, cyclic dimethylpolysiloxanes, dimethylsilicone, and fluorine-containing silicone oils. Silane compounds, fluorine-containing phosphoric acid compounds, fluorine-containing silicone compounds, Teflon, the following general formula

[Chemical formula 1]

[Chemical 2]

The fluorine-containing compound shown in
4), silane coupling agents, titanium coupling agents, aluminum coupling agents, perfluoroalkyl group-containing acrylates, perfluoroalkyl group-containing methacrylates, and the like. It is also possible to blend components such as an oil agent, a catalyst, a primer, and water together with the water repellent treatment agent.

[0010] As a method for making the powder used in the present invention water repellent, for example, the following methods can be used alone or in combination. 1. A method in which powder is coated with a water repellent treatment agent using a blow dryer, spray dryer, or Clax System (manufactured by Hosokawa Micron Co., Ltd.), and then heat treated to make the powder water repellent. 2. A method of making the powder water repellent by placing the powder in a sealed container and supplying a water repellent agent in the vapor phase. 3. Using a stirring and mixing device such as a Henschel mixer,
A method in which the powder is mixed with a water repellent agent and then heated to make the powder water repellent. 4. A method in which a slurry of powder and a water repellent agent is formed using an organic solvent, the organic solvent is distilled off, and a heat treatment is performed to make the powder water repellent. 5. A method of fluorinating the surface of powder using plasma to make it water repellent. 6. A method of coating powder with water-repellent substances such as Teflon using mechanochemicals using equipment such as ball mills, ong mills, and roller mills.

[0011] As for the degree of water repellency of the powder used in the present invention, it is preferable that the water repellency is 25 to 100 when using the water repellency measuring method described in the Examples below. Preferably it is 30-100. In other words, the water repellency is 2
If it is less than 5, the water repellency of the powder is insufficient, and when the product of the present invention is produced, problems such as poor feel, fading of makeup due to sweat, and dull color may occur.

[0012] When the water repellency of the following treated powder was measured using this water repellency measurement method, the water repellency was less than 25. Furthermore, when the product of the present invention was created, water and the treated powder Separation, deterioration of the feel, etc. occurred. Metal soap treated powder 1.
Myristic acid metal salt treated powder 2. Acyl amino acid metal salt treated powder 3. Oleate metal salt treated powder Mechanochemical treated powder 4. Amino acid coated powder 5. Fatty acid coated powder Coupling agent treated powder 6. Titanium coupling agent treated mica7. Silane coupling agent treated titanium oxide

[0013]
Further, the powder used in the present invention preferably contains resin powder such as Teflon powder, silicone powder, and nylon powder, and spherical inorganic powder such as silica beads.

[0014] The oil used in the present invention is an oil usually used in cosmetics, and includes oleic acid, linoleic acid, linoleic acid, stearic acid, palmitic acid, myristic acid, lauric acid, caprylic acid, capric acid, isostearic acid, Fatty acids and their salts such as cerotic acid, citric acid, ascorbic acid, malic acid, coconut oil, linseed oil, safflower oil, soybean oil, sesame oil, cottonseed oil, rapeseed oil, olive oil,
Camellia oil, almond oil, castor oil, persic oil, cacao butter, Japanese wax, palm oil, beef tallow, mink oil, egg yolk oil, carnauba wax, candelilla wax, beeswax, beeswax, lanolin, liquid lanolin, reduced lanolin, acetic acid Lanolin, lanolin fatty acids, polyoxyethylene lanolin, paraffin, isoparaffin, cycloparaffin,
Liquid paraffin, petrolatum, microcrystalline wax, ceresin, squalane, decyl oleate, butyl stearate, myristyl myristate, hexyl laurate, isopropyl palmitate, isopropyl myristate, octyldodecyl myristate, hexyldecyl dimethyloctanoate, dioleic acid Propylene glycol, diethyl phthalate, propylene glycol monostearate, ethylene glycol monostearate,
Glyceryl monostearate, glyceryl trimyristate, cetyl lactate, lanolin alcohol, lauryl alcohol, cetyl alcohol, stearyl alcohol, isostearyl alcohol, oleyl alcohol, hexadecyl alcohol, 2-octyldodecanol, myristyl alcohol, isoprene glycol, glycerin,
Examples include sorbitol, glucose, fructose, propylene glycol, ethylene glycol, hyaluronic acid, chitosan, lecithin, terpene, pristane, cholesterol, phytosterol, cetostearyl alcohol, resorcinol, and the like.

Furthermore, silicone oils preferably used as oil agents include dimethylpolysiloxane, cyclic dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, cyclic methylhydrogenpolysiloxane, dimethylsiloxane methyl (polyoxy ethylene) siloxane copolymer,
Dimethylsiloxane methyl (polyoxypropylene)
Siloxane copolymer, myristyl silicone, dimethylsiloxane/methylstearoxysiloxane copolymer,
Dimethylsiloxane/methylcetyloxysiloxane copolymer, methylpolysiloxane emulsion, silicone resin, silicone grease, polyether-modified silicone, methylstyryl-modified silicone, alkyl-modified silicone, higher fatty acid ester-modified silicone, higher alkoxy-modified silicone, phenol-modified silicone , higher fatty acid-modified silicones, organosilicones in which some or all hydrogen atoms are substituted with fluorine atoms, fluorine-modified silicones, amodimethicone, alcohol-modified silicones, and the like.

In the present invention, it is preferable not to use surfactants such as anionic surfactants, cationic surfactants, and amphoteric surfactants. When these surfactants are used, the water-repellent treated powder becomes wet with water due to the action of the surfactant, resulting in a decrease in water resistance and the refreshing feel that is the effect of the present invention. do not have. However, when using a surfactant for the purpose of adjusting the feel, it is possible to mix 0.01 to 0.1% by weight of the surfactant with respect to 100% by weight of the cosmetic.

In the present invention, it is also possible to incorporate ethanol, methanol, and isopropyl alcohol as components other than the water-repellent powder, oil agent, silicone oil, and water. However, like surfactants, these lower alcohols reduce the water repellency of the water-repellent powder, so the amount of lower alcohol to be blended is 0.1 of the weight of water in the cosmetic.
It is preferably 20% by weight, more preferably 0
．． It is 1 to 5% by weight.

Further, when using water-repellent powder treated with a fluorine compound, a mixture of the above-mentioned fluorine-modified silicone and dimethylpolysiloxane is effective as the oil agent to be blended. In other words, the water-repellent powder treated with a fluorine compound has strong water repellency and repels oils such as higher fatty acids, higher alcohols, and ester oils, so the treated extender pigments may be damaged under harsh conditions such as swimming. It may run down. On the other hand, a mixture of fluorine-modified silicone and dimethylpolysiloxane has the effect of fixing the water-repellent powder treated with a fluorine compound on the skin and further reducing the degree to which oils are repelled.

In this case, the structure of the fluorine-modified silicone has the following general formula:

It is preferable that a dimethylsiloxane unit is included as shown in the following formula. In this formula, the values of a, b, and n are 2
~12, b is preferably 4 to 12, n is preferably 1 to 8, and more preferably n is 1 to 3. When the fluorine content is high, the fluorine-modified silicone undergoes phase separation from the dimethylpolysiloxane and the oil agent, resulting in problems with stability over time, color change after skin application, etc.

The water used in the present invention may be purified water commonly used in cosmetics, such as ion-exchanged water or distilled water.

[0021] Examples of the method for producing the W/O type makeup cosmetic of the present invention include the following method. 1. A method of stirring and mixing water repellent treated powder, oil agent, silicone oil, and water using a stirring/mixing device such as a Henschel mixer. 2. A method in which the water-repellent powder, oil agent, and silicone oil are stirred and mixed using a mixing device such as a Henschel mixer, and then water is added and further stirred and mixed. 3. After coating the water-repellent powder with an oil agent or silicone oil using a blow dryer, spray dryer, etc.,
A method of stirring and mixing the obtained powder with water using a stirring/mixing device such as a Henschel mixer. 4. A method in which water-repellent treated powder, oil agent, silicone oil, and water are placed in a device such as a ball mill, Ong mill, vibration mill, or roll mill, and then stirred and mixed. 5. The water repellent powder, oil agent, and silicone oil are put into a device such as a ball mill, Ang mill, vibration mill, roll mill, jet mill, etc., and the resulting powder is stirred and mixed using a Henschel mixer or other stirring and mixing device. Method of stirring and mixing with water. 6. After forming a slurry of water repellent powder, oil agent, and silicone oil using an organic solvent, the organic solvent is distilled off.
Then add water and stir to mix.

[0022] In the above-mentioned W/O type makeup cosmetic manufacturing method, even if the powders are processed one by one and finally stirred and mixed to form a product, it is possible to process the powders in a mixed state. I don't mind going.

Examples of the W/O type makeup cosmetics of the present invention include foundation, pressed powder, foundation stick, cheek color, white powder, blusher, eye shadow, base foundation, and the like. In addition, examples of the form of the cosmetic include those stamped using a mold, those poured into a mold, and those filled in a tube.

Furthermore, the W/O type makeup cosmetic of the present invention contains fragrances, preservatives, sterilizers, and ultraviolet absorbers as ingredients other than the water-repellent powder, oil agent, silicone oil, and water. can do.

[0025]

[Examples] The present invention will be explained below with reference to Examples. Usage properties described in examples (spreadability, adhesion, cool feeling, makeup retention)
The test method for measuring water repellency is as follows.

1. Method for evaluating the usage characteristics of cosmetics (spreadability, adhesion, cooling sensation) Using cosmetics prepared according to each example and comparative example, 2
A total of 10 men and women aged 0 to 50 years old evaluated the feel of the product. The results are shown in Table 1. In Table 1 below,
The numerical value indicates how many people out of 10 judged each evaluation item; 10 means all 10 people judged it, 1 means 1
Indicates that 1 out of 0 people made the decision.

2. Method for evaluating usage characteristics (makeup retention) of cosmetics The cosmetics prepared according to each of the Examples and Comparative Examples were applied to the left inner arm using a makeup puff, and then left in running water for 10 minutes. Next, cosmetics were applied to the right inner cup area, and the change in color of the cosmetics was visually observed to evaluate makeup retention. The results are shown in Table 1. In Table 1, makeup retention is evaluated as ◎ when the water repellency of the cosmetic application area on the left inner bowl is maintained and no color change occurs, and ◎ when the water repellency of the application area is maintained but no color change occurs. The results were evaluated as ◯ when a change in color occurred, and as × when the water repellency of the coated area disappeared and a change in color occurred.

3. Method for measuring water repellency Using ethanol (manufactured by Kanto Kagaku Co., Ltd., reagent special grade), prepare an ethanol aqueous solution with a volume mixing ratio of 0 to 100 V/V%, and add 100% of each ethanol aqueous solution to a test tube.
Weighed out 1 ml each. Next, 0.1 g of the water-repellent pigment was weighed out and put into the test tube, and then an ultrasonic cleaner (BRA
NSON 2200 type, BRANSON CLEANI
The test tube was placed in a water bath (manufactured by NG EQUIPMENT COMPANY) and irradiated with ultrasonic waves for 1 minute. Water-repellent pigments do not easily wet with water, so they float on the water surface, but at a certain ethanol concentration or higher, they become dispersed in the solution. The ethanol concentration at which this dispersion begins (dispersed ethanol concentration) was determined as the water repellency.

Example 1 Foundation (Procedure 1)
Production of pigment coated with methyl hydrogen polysiloxane 30 g of methyl hydrogen polysiloxane (KF-99P, viscosity 19 cst, manufactured by Shin-Etsu Chemical Co., Ltd.) was added to 1 kg of yellow iron oxide, and after mixing in a Henschel mixer, Grinding was carried out using a free grinder. The obtained powder was transferred to a stainless steel vat and dried using a blow dryer.
Heat treatment was performed at 80°C for 8 hours. Similar treatments were applied to red iron oxide, black iron oxide, talc, mica, and titanium oxide. The water repellency of these water repellent treated powders is 30 to 45.
Met.

[0030]Put the above component A in a Henschel mixer and mix for 5 minutes,
Component B, which had been uniformly mixed and dissolved in advance, was gradually added thereto and then mixed for 10 minutes. Component C was further added thereto and mixed for 15 minutes to form a product.

Example 2 Eyeshadow (Procedure 1) Production of pigment coated with decamethylcyclopentasiloxane Fine particles of titanium oxide (particle size 0.02μ) were placed in a desiccator.
100 g of m) was added, and heat treatment was performed at 90° C. for 24 hours while feeding gaseous decamethylcyclopentasiloxane. Then, the supply of decamethylcyclopentasiloxane was stopped, and a heat treatment was further performed at 90° C. for 8 hours to remove the remaining decamethylcyclopentasiloxane. Similar treatments were applied to colored pigments such as ultramarine and lake pigments, zinc stearate, titanium mica, talc, and kaolin. The water repellency of these water repellent treated powders is 25 to 3.
It was 5.

Component A was placed in a mixer and mixed for 3 minutes. Component B, which had been uniformly mixed and dissolved in advance, was added thereto and then mixed for 3 minutes. Component C was further added thereto and mixed for 5 minutes. The product was then press-filled.

Example 3 Eyeshadow (Procedure 1) Production of pigment coated with fluorosilicone rubber Component A below was coated with Component B using a ball mill. The water repellency of this water repellent treated powder was 75.

(Procedure 2) Eyeshadow manufacturing component C Fluorosilicone coated pigment
80.0 parts Silicone powder 5.0 parts Component D Glyceryl monostearate
5.0 parts Hexyldecyl dimethyloctanoate 2.0 parts
hexadecyl alcohol
0.4 parts Sorbitol
0.4 parts fragrance
0.2 parts component E water
7.0 parts Component B, which has been uniformly mixed and dissolved in advance with the above component C, is placed in a mixer.
After mixing for 5 minutes, component E was added and mixed for 5 minutes. The product was then press-filled.

Example 4 Foundation (Procedure 1)
Preparation of pigment coated with fluorine-containing silane Add 100 g of yellow iron oxide to the following formula:

10 g of a fluorine-containing silane having the structural formula shown below was added, and heat treatment was performed at 80° C. for 12 hours in the presence of water vapor. Then, heat treatment was performed at 120° C. for 4 hours using a blow dryer. Similar treatments were applied to red iron oxide, black iron oxide, talc, sericite, titanium oxide, and silicone powder. The water repellency of these water repellent treated powders was 40-70.

Component A and component B, which had been uniformly mixed and dissolved in advance, were placed in a lightning crusher and mixed for 10 minutes, and component C was added thereto and mixed for 20 minutes to form a product.

Example 5 Foundation (Procedure 1)
Production of a pigment coated with a fluorine-containing phosphoric acid compound According to the method described in US Pat. is 1 to 16, m is 4
~14, the average value of y is 1 to 2.5, and M is selected from hydrogen, alkali metal, and ammonium ion) is coated on yellow iron oxide, red iron oxide, black iron oxide, talc, sericite, and titanium oxide. Processed. The water repellency of these water repellent treated powders was 70-95.

[0038]Put the above component A in a Henschel mixer and mix for 5 minutes,
Component B and C, which had been uniformly mixed and dissolved in advance, were gradually added thereto and mixed for 10 minutes. Component D was further added thereto and mixed for 15 minutes to form a product.

Example 6 Foundation (Procedure 1)
Production of pigment coated with methylhydrogenpolysiloxane 60g of methylhydrogenpolysiloxane (KF-99P, viscosity 19cst, manufactured by Shin-Etsu Chemical Co., Ltd.) was added to 1kg of yellow iron oxide, and after mixing in a Henschel mixer, Grinding was carried out using a free grinder. The obtained powder was transferred to a stainless steel vat and heat-treated at 180° C. for 8 hours using a blow dryer. Similar treatments were applied to red iron oxide, black iron oxide, talc, sericite, and titanium oxide. The water repellency of these water repellent treated powders was 30 to 55.

(Step 2) Foundation manufacturing component A: Treated sericite
33.9 parts treated talc
17.9 copies
Treated titanium oxide 14.9
Part Processing Red Garla
1.0 parts Treated yellow iron oxide 3.0 parts
treated black iron oxide
0.3 parts Teflon powder 4.0 parts Ingredient B Squalane 1.
0 parts isocetyl myristate
2.0 parts liquid paraffin
1.0 copy
glycerin
0.7 parts preservative
0.2 parts
fragrance
0.1 part Component C fluorine-modified silicone (a=4, b in the general formula 4)
=4, n=1)
3.0 copies
Dimethylpolysiloxane (viscosity 20cs
25℃)
6.0 copies
Dimethylpolysiloxane (viscosity 100cs
25℃)
1.0 parts Ingredient D Water
10.0 parts Put the above component A into a Henschel mixer and mix for 5 minutes, add the premixed components B and C and continue to mix for 10 minutes, then add component D and mix for 15 minutes. It was made into a product.

Comparative Example 1 Foundation (Procedure 1)
Preparation of pigment coated with aluminum myristate 4 g of sodium stearate was added to a stirred mixture of 100 g of yellow iron oxide and 350 g of water, and the mixture was vigorously stirred at 60° C. for 15 minutes. Then, 14 ml of a 10% aqueous aluminum sulfate solution was slowly added, followed by filtration. The obtained powder was transferred to a stainless steel vat, dried at 100° C. for 4 hours using a blow dryer, and then pulverized using a mixer. Similar treatments were applied to red iron oxide, black iron oxide, talc, mica, and titanium oxide. The water repellency of these treated powders was 5-20.

[0042]Put the above component A in a Henschel mixer and mix for 5 minutes,
Component B, which had been uniformly mixed and dissolved in advance, was gradually added thereto and then mixed for 10 minutes. Component C was further added thereto and mixed for 15 minutes to form a product.

Comparative Example 2 Eyeshadow (Procedure 1) Production of pigment coated with stearic acid The following component A and component B were added.
was coated using a ball mill. The water repellency of this treated powder was 0.

Component B, which had been uniformly mixed and dissolved in advance with the component C, was placed in a mixer and mixed for 3 minutes. Component E was further added thereto and mixed for 5 minutes to obtain a product.

Comparative Example 3 Foundation (Procedure 1)
Preparation of pigment coated with silane coupling agent 200 g of a 1 wt % aqueous solution of silane coupling agent (γ-glycidoxypropyltrimethoxysilane) was added to 100 g of titanium oxide, mixed with stirring, and then dehydrated. The obtained titanium oxide was then dried at 100° C. for 4 hours using a blow dryer. Similar treatments were applied to yellow iron oxide, red iron oxide, black iron oxide, talc, and sericite. The water repellency of these treated powders was 10-35.

Component A and component B, which had been uniformly mixed and dissolved in advance, were placed in a lightning crusher and mixed for 10 minutes, and component C was added thereto and mixed for 20 minutes to obtain a product.

[0047]

[Table 1]

From Table 1, it can be seen that W/O obtained by the present invention
It can be seen that the molded makeup cosmetic has excellent usability properties (spreadability, adhesion, cool feeling, and makeup retention). In addition, compared to the cases where all or part of Comparative Examples 1 to 3 had a water repellency of less than 25 and surface-treated powders lacking water repellency were used, Examples 1 to 6 of the present invention It is clearly superior in various characteristics. Furthermore, in Comparative Examples 1 to 3, separation of powder and water occurred 1 hour after production, but in Examples 1 to 6, separation did not occur, so Examples 1 to 6 of the present invention had various characteristics. It can be seen that it is clearly superior.

[0049]

Effects of the Invention As described above, the present invention has a structure in which water droplets are finely dispersed between the powder by mixing and dispersing water into the water-repellent powder. It is a W/O type makeup cosmetic that has excellent cooling sensation and makeup retention, and is suitable as a summer foundation.

Claims (3)

[Claims] Claim 1: 93 to 40% by weight of the following components (A) to (C) (A) water repellent treated powder (B
) oil agent
2-20% by weight (C) water
A W/O type makeup cosmetic characterized by containing 5 to 40% by weight. [Claim 2]Claim 1, which has a water repellency of 25 to 100.
W/O type makeup cosmetics as described. 3. The water-repellent powder according to claim 1 is a water-repellent powder coated with at least one oil agent selected from the following groups (a) to (e): A certain W/O type makeup cosmetic. (a) Silicone oil containing Si-H groups (b) Methyl silicone oil (c) Fluorine-containing silane compound (d) Fluorine-containing phosphoric acid compound (e) Fluorine-containing silicone compound