WO2011111828A1

WO2011111828A1 - Cosmetic composition

Info

Publication number: WO2011111828A1
Application number: PCT/JP2011/055802
Authority: WO
Inventors: 明日香田村; 義広徳永
Original assignee: ライオン株式会社
Priority date: 2010-03-11
Filing date: 2011-03-11
Publication date: 2011-09-15
Also published as: JPWO2011111828A1; JP5721696B2

Abstract

Disclosed is a cosmetic composition which has improved dry and non-sticky feeling, improved duration of the feeling and good re-dispersibility of a powder. Specifically disclosed is a cosmetic composition which contains (A) a porous silicic acid anhydride powder, (B) a polyether-modified silicone having an HLB of 5-10, and (C) 30-80% by mass of water, with the mass ratio (A/B) of the content of the component (A) that is the porous silicic acid anhydride powder to the content of the component (B) that is the polyether-modified silicone being 0.2-7.

Description

Cosmetic composition

The present invention relates to a cosmetic composition excellent in smooth feeling and its sustainability, and having good powder redispersibility.

Conventionally, among cosmetic compositions such as skin lotion, cosmetic liquid, essence, milky lotion, sunscreen cream, antiperspirant / deodorant, etc., it is so-called used after being shaken at the time of use and powder is uniformly dispersed. The two-layer cosmetic is required to have particularly good powder redispersibility, and various studies have been conducted.

For example, Patent Document 1 includes (a) 0.01 to 40% by mass of a silicone surface-treated powder, (b) 0.01 to 60% by mass of a polyether-modified silicone having a molecular weight of 3,500 or less, and (c) 10% of water. An aqueous powder-containing cosmetic containing ˜99.8% by mass has been proposed. According to this proposal, it is said that an aqueous powder-containing cosmetic having excellent dispersibility of the silicone surface-treated powder and excellent quality stability can be provided. In the proposed embodiment, talc is used as the silicone surface-treated powder.
Patent Document 2 proposes a deodorant cosmetic using magnesium oxide as a powder. According to this proposal, it is said that a deodorizing effect, its sustainability and a smooth feeling can be realized. In this proposed Example 13, a deodorant hairwater containing magnesium oxide and polyether-modified silicone is disclosed.

Patent Document 3 discloses (A) organic powder, (B) water-soluble inorganic salt, (C) surfactant, (D) ethanol, and (E) water, preferably (F) non-spherical powder. A two-layer type cosmetic material containing the above has been proposed. According to this proposal, it is said that the redispersibility of the powder is excellent, and when applied to the skin or hair, a refreshing feeling and a smooth feeling of use can be obtained. In this proposed example, nylon powder and silicone powder are used as the organic powder, and in Example 10, polyether-modified silicone is used.
In addition, Patent Document 4 discloses a pest repellent composition containing a pest repellent and anhydrous silicic acid porous fine particles. However, the use of anhydrous silicic acid porous fine particles in a cosmetic composition, and Thereby, there is no disclosure or suggestion that the smooth feeling and its sustainability are improved and the redispersibility of the powder is improved.

Therefore, in the prior art documents, a cosmetic composition having satisfactory performance for all of the smooth feeling and the sustainability thereof and the redispersibility of the powder has not yet been obtained, and further improvement and development are desired. This is the current situation.

JP-A-6-116120 JP 2001-187721 A Japanese Patent Laid-Open No. 2004-262887 JP 2007-22920 A

This invention makes it a subject to solve the said conventional problems and to achieve the following objectives. That is, an object of the present invention is to provide a cosmetic composition with improved smoothness and sustainability and good powder redispersibility.

As a result of extensive studies by the present inventors in order to solve the above problems, the following knowledge was obtained. Namely, (A) anhydrous silicic acid porous powder (preferably an anhydrous silicic acid porous powder having an average particle size of 2 μm to 14 μm), (B) a polyether-modified silicone having an HLB of 5 to 10, and (C) A predetermined mass ratio (A / B) containing 30% by mass to 80% by mass of water and (A) the anhydrous silicic acid porous powder and (B) the polyether-modified silicone having an HLB of 5 to 10. The cosmetic composition contained in (3) is improved in the smooth feeling and its sustainability, and the redispersibility of the powder, preferably (D) the deodorizing effect is improved by adding a deodorizing component, More preferably, it has been found that the persistence of the deodorizing effect can be exhibited by further adding (E) a disinfectant.

The present invention is based on the above findings by the present inventors, and means for solving the above problems are as follows. That is,
<1> containing (A) silicic acid porous porous powder, (B) polyether-modified silicone having 5 to 10 HLB, and (C) 30 to 80% by mass of water, The mass ratio (A / B) of the content of the porous silicic acid porous powder and the content of the polyether-modified silicone of the component (B) is 0.2-7. It is a composition.
<2> The cosmetic composition according to <1>, wherein the (A) anhydrous silicic acid porous powder is an anhydrous silicic acid porous powder having an average particle diameter of 2 μm to 14 μm.
<3> The makeup according to any one of <1> to <2>, further comprising (D) at least one deodorant component selected from zinc paraphenolsulfonate, zinc oxide, and chlorohydroxyaluminum. Composition.
<4> The cosmetic composition according to any one of <1> to <3>, further comprising (E) at least one fungicide selected from isopropylmethylphenol, benzalkonium chloride, and triclosan. It is.

According to the present invention, various problems in the prior art can be solved, the smooth feeling and the sustainability thereof are improved, the redispersibility of the powder is good, and the deodorant is preferably added by blending a specific deodorizing component. It is possible to provide a cosmetic composition having an improved effect, and more preferably a long-lasting deodorizing effect by incorporating a specific fungicide.

FIG. 1 is a schematic view showing an example of a hollow anhydrous silicic acid porous powder.

The cosmetic composition of the present invention contains (A) anhydrous silicic acid porous powder, (B) a polyether-modified silicone having an HLB of 5 to 10, and (C) water, preferably (D) It contains an odor component and (E) a bactericide, and further contains other components as necessary.

<(A) Silicic anhydride porous powder>
The anhydrous silicic acid porous powder of component (A) is preferably spherical, and more preferably spherical and having an average particle diameter of 2 μm to 14 μm. Among these, a hollow (hollow diameter: 1.5 μm to 4.3 μm) porous silicic acid porous powder having an average particle diameter of 2 μm to 14 μm is more preferable. These may be used individually by 1 type and may use 2 or more types together.
The anhydrous silicic acid porous powder has the ability to spread the powder on the skin by adsorbing the specific polyether-modified silicone into the infinite number of pores due to the infinite number of pores existing on the wall surface of the powder. It is assumed that the smooth feeling and its sustainability are also improved.

The average particle diameter of the porous silicic acid porous powder is preferably 2 μm to 14 μm, and more preferably 2 μm to 6.5 μm from the viewpoint of deodorizing effect, smooth feeling and its sustainability. When the average particle diameter is less than 2 μm, the tendency to peel off is exceeded, and when the average particle diameter exceeds 14 μm, the durability of the smooth feeling may be lowered.
The surface pore diameter of the anhydrous silicic acid porous powder is preferably 20 to 150 mm, and the specific surface area is preferably 200 m ² / g to 700 m ² / g.
Here, the average particle diameter can be measured with a measuring instrument such as a laser diffraction particle size distribution measuring apparatus (SALD-2200, manufactured by Shimadzu Corporation).
The surface pore diameter and specific surface area can be confirmed by BET method using, for example, Sorptomatic Series 1800 manufactured by Carlo Elba.

As said anhydrous silicic acid porous powder, what was synthesize | combined suitably may be used and a commercial item may be used.
The silicic acid porous porous powder is made of silicic anhydride and can be synthesized by an interfacial reaction method. In the interfacial reaction method, a water-in-oil emulsion (emulsion) is formed with an organic solvent and a surfactant in an inorganic compound aqueous solution, and this is mixed with another aqueous solution to cause a precipitation reaction at the water droplet interface. After the formation of the inorganic shell, the reaction by-product, the surfactant and the like are removed to synthesize a porous silicic acid porous powder having no hollow portion or a hollow portion (that is, solid). Among these, in particular, the hollow silicic acid porous porous powder can be produced, for example, by the method described in Japanese Patent Publication No. 5-9133.
The hollow anhydrous silicic acid porous powder is a powder 10 having a hollow (void) 1 inside the powder as shown in FIG. The internal hollow diameter can be determined by, for example, selecting and observing representative particles using a transmission electron microscope (TEM) and measuring the diameter of the hollow portion using a scale.

Commercially available silicic acid porous powders include, for example, God Ball B-6C (true sphere, average particle diameter 2 μm, hollow porous, hollow diameter 1.5 μm), God Ball B-11C (true sphere, Average particle diameter 3.5 μm, hollow porous, hollow diameter 2.3 μm), God ball B-16C (true spherical, average particle diameter 6.5 μm, hollow porous, hollow diameter 4.3 μm), God ball B-25C (True sphere, average particle diameter 14 μm, hollow porous, hollow diameter 9.3 μm), God Ball E-16C (true sphere, average particle diameter 4.7 μm, solid porous) (all are Suzuki Yushi Kogyo Co., Ltd.) Manufactured), Sunsphere H122 (true sphere, average particle diameter 12 μm, solid porous), Sunsphere H51 (true sphere, average particle diameter 5 μm, solid porous), Sunsphere H31 (true sphere, average particle diameter 3 μm) , Solid porous) All of which are manufactured by AGC Si-Tech Co., Ltd.), and the like. Among these, God Ball B-6C (true sphere, average particle diameter 2 μm, hollow porous, hollow diameter 1.5 μm), God Ball B-11C (true sphere, average particle) from the viewpoint of smooth feeling and durability. 3.5 μm in diameter, hollow porous, 2.3 μm in hollow diameter), God Ball B-16C (true sphere, average particle diameter 6.5 μm, hollow porous, hollow diameter 4.3 μm) is preferable, and God Ball B-6C (True sphere, average particle diameter 2 μm, hollow porous, hollow diameter 1.5 μm) is particularly preferable.

The content of the silicic acid porous porous powder of the component (A) is preferably 0.5% by mass to 5% by mass with respect to the total amount of the cosmetic composition. From the viewpoint of redispersibility, 1% by mass to 3% by mass is more preferable. When the content is less than 0.5% by mass, the feeling of smoothness and the sustainability thereof may be lowered. When the content exceeds 5% by mass, the redispersibility of the powder may be deteriorated and clogging may occur. May occur.

<(B) Polyether-modified silicone with HLB of 5 to 10>
The polyether-modified silicone having an HLB of 5 to 10 as the component (B) is an organopolysiloxane compound having a polyoxyalkylene group at the side chain or terminal.
The polyether-modified silicone has an appropriate surface activity, and produces a uniform dispersed state when re-dispersing the silicic anhydride porous powder of the component (A), and such a good dispersed state. Can be maintained for a long time, and the smooth feeling and its sustainability can be improved.

The HLB of the polyether-modified silicone as the component (B) is 5 to 10 from the viewpoint of smooth feeling and its durability, and redispersibility of the powder. From the viewpoint, 6 to 8 is particularly preferable. When the HLB is in the above range, when re-dispersing the silicic acid porous porous powder of the component (A), it can be uniformly dispersed in the cosmetic composition without agglomeration. Its sustainability is also improved. When the HLB is less than 5, the feeling of smoothness and the durability thereof, and the redispersibility of the powder may be deteriorated. When the HLB exceeds 10, the feeling of smoothness and the durability thereof, and the redispersibility of the powder are deteriorated. May be.

Here, the HLB means a hydrophilic-lipophilic balance, and is represented by the following Griffin equation.

As the polyether-modified silicone having an HLB of 5 to 10 as the component (B), an appropriately synthesized product or a commercially available product may be used. Examples of the commercially available products include SH3772M (HLB: 6), SH3773M (HLB: 8), SH3775M (HLB: 5) manufactured by Toray Dow Corning Co., Ltd., and KF-6012 (HLB: 7) manufactured by Shin-Etsu Chemical Co., Ltd. ), KF-6013 (HLB: 10), and the like. These may be used individually by 1 type and may use 2 or more types together.

As the polyether-modified silicone having an HLB of 5 to 10 as the component (B), an organopolysiloxane compound having a polyoxyalkylene group at the side chain or terminal represented by the following general formula is preferably used.

In the general formula, R ¹ represents a methyl group or a phenyl group, R ² represents a methyl group or a hydroxyl group, R ³ represents an alkyl group having 1 to 12 carbon atoms, an alkoxy group or hydroxyl group having 1 to 6 carbon atoms. Indicates. The sum of m and p represents the number average degree of polymerization, and m is preferably a number from 1 to 100, more preferably a number from 20 to 30. p is preferably a number from 1 to 20, more preferably a number from 2 to 10. q and r are each preferably a number from 0 to 50, more preferably a number from 20 to 30. Among these, a side chain type polyether-modified silicone having a polyoxyalkylene group in the side chain is preferable from the viewpoint of smooth feeling and its durability.

The content of the polyether-modified silicone in the component (B) is preferably 0.1% by mass to 5% by mass with respect to the total amount of the cosmetic composition, and the redispersibility, dry feeling and sustainability of the powder. From the point of view, 0.5 mass% to 3 mass% is more preferable. If the content is less than 0.1% by mass, the feeling of smoothness and the sustainability may not be obtained, and the redispersibility of the powder may be deteriorated. The feeling and its sustainability may be deteriorated, and the redispersibility of the powder may be deteriorated.

The mass ratio (A / B) between the content of the silicic acid porous porous powder of the component (A) and the content of the polyether-modified silicone having an HLB of 5 to 10 in the component (B) is 0. 2 to 7, preferably 0.7 to 4 and more preferably 1 to 3 from the viewpoint of smooth feeling and sustainability. When the mass ratio (A / B) is less than 0.2, the smooth feeling and the sustainability thereof may be deteriorated. When the mass ratio (A / B) is more than 7, the redispersibility of the powder may be deteriorated.

<(C) Water>
The water of the component (C) can spread the components (A) and (B) uniformly on the skin and improve the retention on the skin. Use of water also improves the feeling of use.
There is no restriction | limiting in particular as water of said (C) component, According to the objective, it can select suitably, For example, pure water, such as ion-exchange water, ultrafiltration water, reverse osmosis water, distilled water, or ultrapure Water etc. are mentioned.
The water content of the component (C) is 30% by mass to 80% by mass, and preferably 40% by mass to 60% by mass with respect to the total amount of the cosmetic composition. When the content is less than 30% by mass, the redispersibility of the powder may be deteriorated. When the content is more than 80% by mass, the dryness is poor and the sustainability may be inferior.

<(D) Deodorant component>
Examples of the deodorant component (D) include zinc paraphenolsulfonate, zinc oxide, chlorohydroxyaluminum, and magnesia silica other than the component (A). These may be used individually by 1 type and may use 2 or more types together. Among these, zinc paraphenol sulfonate is particularly preferable from the viewpoint of the deodorizing effect. This is because the deodorizing component and the like gradually ooze out to the surface, and the component (A) has a hollow (void) 1 inside the powder, particularly in the hollow portion of the powder as shown in FIG. It is presumed that the deodorizing effect is improved by including a deodorant component.

The zinc oxide may be used as a single component or may be combined with other components.
As the composite, zinc oxide is finely dispersed in silicic acid anhydride, so it has a high deodorizing effect, and further, the zinc oxide is difficult to agglomerate, so the redispersibility of the powder is good. This is preferable.
Examples of the method for producing solid particles in which zinc oxide is supported on the surface of anhydrous silicic acid include zinc oxide composite particles obtained by the production method described in JP-A-2008-293701.

The average particle diameter of the zinc oxide is preferably 0.01 μm to 1 μm, and more preferably 0.1 μm to 0.6 μm.
The average particle size of the zinc oxide composite powder is preferably 10 μm to 75 μm. If the average particle size is less than 10 μm, the zinc oxide may aggregate in the composite powder and the deodorizing action may be reduced. If the average particle size exceeds 75 μm, the mass of the powder increases and the powder is redispersed. May be worse.
The average particle diameter of the zinc oxide and zinc oxide composite powder is the median diameter (particle diameter at which the cumulative particle amount is 50% by volume). For example, a laser diffraction type particle size distribution measuring apparatus (SALD-2200, manufactured by Shimadzu Corporation) is used. ) Or the like.

The content of the deodorant component of the component (D) is preferably 0.1% by mass to 10% by mass with respect to the total amount of the cosmetic composition, and 0.3% by mass to 5% by mass from the viewpoint of the deodorizing effect. % Is more preferable. If the content is less than 0.1% by mass, the deodorizing effect may be reduced, and if it exceeds 10% by mass, the redispersibility of the powder may be inferior.

<(E) Disinfectant>
There is no restriction | limiting in particular as a fungicide of the said (E) component, According to the objective, it can select suitably, For example, isopropylmethylphenol, benzalkonium chloride, a triclosan, a piroctone olamine etc. are mentioned. These may be used individually by 1 type and may use 2 or more types together. Among these, isopropylmethylphenol is particularly preferable from the viewpoint of durability of the deodorizing effect.

The content of the fungicide of the component (E) is preferably 0.01% by mass to 1% by mass with respect to the total amount of the cosmetic composition, and 0.05% by mass in particular from the viewpoint of sustaining the deodorizing effect. 0.5 mass% is more preferable. When the content is less than 0.01% by mass, the persistence of the deodorizing effect may be lowered. When the content exceeds 1% by mass, the persistence of the deodorizing effect is saturated, which is uneconomical and skin irritation. May be a concern.

<Other ingredients>
In the cosmetic composition of the present invention, optional components added to the cosmetic composition can be blended within a range not impairing the effects of the present invention.
Examples of the other components include fats and oils, waxes, silicones other than the component (B), hydrocarbon oils, higher fatty acids, higher alcohols, glycerin, propylene glycol and other polyhydric alcohols, synthetic ester oils, and surfactants. Agents, polymer compounds, antioxidants, pigments, emulsion stabilizers, pH adjusters, astringents other than component (D), preservatives, UV absorbers, chelating agents, moisturizers, thickeners, refreshing agents, anti-oxidants Inflammatory agents, amino acids, vitamins, various plant extracts and the like can be mentioned.

<Manufacturing method>
The method for producing the cosmetic composition of the present invention is not particularly limited and may be appropriately selected depending on the intended purpose. For example, ethanol (A) to (B) may be added to water of component (C). The cosmetic composition can be prepared by uniformly mixing the component (D) or the component (E) and the other components as necessary.

<Container>
The cosmetic composition of the present invention can be used by filling a spray container. Moreover, even if it fills a non-gas type spray container, it can be used conveniently. In the present invention, the non-gas type spray container means a container that is not filled in a liquefied gas aerosol type container such as liquefied petroleum gas, ether, or chlorofluorocarbon.
As the spray container, a trigger, a dispenser, an air spray (a pressure accumulating container that compresses air), a rubber elastic spray container, an electric spray, a manual atomizer, and the like can be used.

<Form and dosage form>
There is no restriction | limiting in particular as a form of the cosmetic composition of this invention, According to the objective, it can select suitably, For example, it is possible to apply widely to cosmetics, a pharmaceutical, a quasi-drug, etc. In addition, as long as the effect of the present invention is not impaired, the gel form, paste system, ointment system, oil-liquid system, water-oil 2-phase system, water-oil-powder 3-phase system, emulsification system, acceptable A wide range of dosage forms such as solubilizing systems can be taken. That is, it can be widely applied in various dosage forms such as powder, lotion, mask, mist, spray, impregnated sheet, patch, cream, gel, and pack.

<Application>
The cosmetic composition of the present invention has a high deodorizing effect, improved smoothness and sustainability, and improved powder redispersibility. For example, in cosmetics, pharmaceuticals, quasi drugs, etc. Can be applied, lotion, serum, essence, milky lotion, sunscreen lotion, sunscreen cream, aqueous foundation, deodorant lotion, deodorant spray, deodorant mist, deodorant sheet, deodorant roll on, deodorant foundation, sheet makeup It can be used for a wide range of materials.

Examples of the present invention will be described below, but the present invention is not limited to these examples.

(Examples 1 to 48 and Comparative Examples 1 to 10)
-Preparation of cosmetic composition-
In the prescribed amount (unit: mass%) of ethanol and (C) component water shown in Tables 1 to 3 below, (A) component to (B) component, or (D) to (E) component, as necessary The optional ingredients were mixed and made uniform to prepare the cosmetic compositions of Examples 1 to 48 and Comparative Examples 1 to 10, and filled into predetermined containers (polypropylene containers (capacity: 100 mL)).
Next, various properties of the obtained cosmetic compositions were evaluated as follows. The results are also shown in Tables 1 to 3. Tables 1-1 to 1-6 show lotions, and Tables 2-1 to 2-2 and Tables 3-1 to 3-2 show deodorant lotions. Moreover, the mass ratio (A / B) in an Example and a comparative example shows the value, when it is divisible, and when it is not divisible, it is the value which rounded off the second decimal place.

<Evaluation method of smooth feeling (after 30 minutes of application) and sustainability of smooth feeling (after 8 hours of application)>
For 20 male and female subjects, no treatment was applied to one axilla, and 0.5 g of each cosmetic composition was applied to the other axilla. Thereafter, 30 minutes after the application and 8 hours after the application, each subject made a sensory evaluation based on the following criteria for the smooth feeling of the axilla and its persistence.
〔Evaluation criteria〕
2 points: The coated part side is much more silky than the uncoated part 1 point: The coated part side is somewhat more sloppy than the uncoated part 0 point: The coated part side is equivalent to the uncoated part Next, 20 The average score of human subjects was determined, and based on this, the smooth feeling (evaluated after 30 minutes) and the sustainability of the smooth feeling (evaluated after 8 hours) were evaluated as follows.
[Criteria]
A: The average score of 20 subjects is 1.5 or more. ○: The average score of 20 subjects is 1.0 or more and less than 1.5. Δ: The average score of 20 subjects is 0.5 or more. Less than 1.0 point ×: The average score of 20 subjects is less than 0.5 point

<Method for evaluating redispersibility of powder>
90 mL of each cosmetic composition is dispensed into a 100 mL container, centrifuged at 3,000 rpm for 8 minutes, and then the sample is subjected to a 15 cm wide stroke (one reciprocation / second) to agglomerate powder on the bottom of the container The number of strokes until no settling was observed was measured, and the redispersibility of the powder was evaluated according to the following criteria.
Next, the average point of the number of strokes when the test was conducted five times was determined, and the redispersibility was evaluated as follows. Average points are rounded off.
〔Evaluation criteria〕
◎: Stroke number 5.0 times or less ○: Stroke number 5.0 times and 10.0 times or less △: Stroke number 10.0 times and 15.0 times or less ×: Stroke number exceeds 15.0 times Number of times

<Evaluation method of deodorization effect (after 30 minutes) and persistence of deodorization effect (after 8 hours)>
For 20 male and female subjects, no treatment was applied to one axilla, and 0.5 g of each cosmetic composition was applied to the other axilla. After that, they had to wear a shirt in which gauze that had been washed beforehand was sewn to the axilla. After 30 minutes from the start of wearing, and 8 hours after the start of wearing, the odor adhering to the gauze was subjected to sensory evaluation based on the following evaluation criteria.
The subjects prohibited the use of other antiperspirant deodorant agents 3 days before the test, and had the use of unscented botty soap during bathing.
〔Evaluation criteria〕
2 points: The application part side feels that the deodorization effect is much higher than the non-application part 1 point: The application part side feels that the deodorization effect is slightly higher than the non-application part 0 point: The application part side is the non-application part Equivalent Next, an average score of 20 subjects was obtained, and based on this, the deodorizing effect was evaluated as follows.
[Criteria]
◎: The average score of 20 subjects is 1.5 points or more ○: The average score of 20 subjects is 1 point or more and less than 1.5 points △: The average score of 20 subjects is 0.5 point or more and 1 point Less than ×: The average score of 20 subjects is less than 0.5

(Example 49)
-Deodorant spray-
・ Zinc paraphenolsulfonate 0.5% by mass
・ Magnesia silica 2% by mass
・ Anhydrous silicic acid porous particles 2% by mass
(Average particle size 2μm, hollow porous, God Ball B-6C)
-Polyether-modified silicone (HLB = 8, SH3773M) 1% by mass
・ Isopropylmethylphenol 0.1% by mass
・ Benzalkonium chloride 0.1% by mass
-Fragrance 0.3% by mass
・ L-menthol 0.1% by mass
・ Ethanol 35.9% by mass
・ Purified water 58% by mass
Total 100% by mass
The above composition is prepared by a conventional method and filled into a container with a trigger (Z-305, manufactured by Mitani Valve Co., Ltd., caliber: 0.45 mm, discharge amount: 0.35 mL / 1 push, material: polypropylene (PP)) did. Various characteristics of the obtained deodorant spray were evaluated in the same manner as in Examples 1 to 48 and Comparative Examples 1 to 10. The results are shown below.
Mass ratio (A / B) = 2/1 = 2
・ Deodorization effect: ◎
・ Durability of deodorization effect: ○
・ Feeling smooth (30 minutes after application): ◎
-Persistence of smooth feeling (8 hours after application): ◎
・ Powder redispersibility: ◎

(Example 50)
-Deodorant spray-
・ Zinc oxide / anhydrous silicic acid composite powder 2% by mass
(Manufactured by AGC S-Itech Co., Ltd.)
・ Anhydrous silicic acid porous particles 2% by mass
(Average particle size 2μm, hollow porous, God Ball B-6C)
-Polyether-modified silicone (HLB = 8, SH3773M) 1% by mass
・ Isopropylmethylphenol 0.1% by mass
・ Benzalkonium chloride 0.1% by mass
-Fragrance 0.3% by mass
・ L-menthol 0.1% by mass
・ Ethanol 35.9% by mass
・ Purified water 58.5% by mass
Total 100% by mass
The above composition is prepared by a conventional method and filled into a container with a trigger (Z-305, manufactured by Mitani Valve Co., Ltd., caliber: 0.45 mm, discharge amount: 0.35 mL / 1 push, material: polypropylene (PP)) did. Various characteristics of the obtained deodorant spray were evaluated in the same manner as in Examples 1 to 48 and Comparative Examples 1 to 10. The results are shown below.
Mass ratio (A / B) = 2/1 = 2
・ Deodorization effect: ◎
・ Durability of deodorization effect: ◎
・ Feeling smooth (30 minutes after application): ◎
-Persistence of smooth feeling (8 hours after application): ◎
・ Powder redispersibility: ◎

(Example 51)
-Deodorant Mist-
・ Anhydrous silicic acid porous particles 2% by mass
(Average particle size 2μm, hollow porous, God Ball B-6C)
-Polyether-modified silicone (HLB = 8, SH3773M) 1% by mass
・ Isopropylmethylphenol 0.1% by mass
・ Benzalkonium chloride 0.1% by mass
-Fragrance 0.3% by mass
・ L-menthol 0.1% by mass
・ Ethanol 35.9% by mass
・ Purified water 60.5% by mass
Total 100% by mass
The above composition is prepared by a conventional method and filled into a container with a trigger (Z-305, manufactured by Mitani Valve Co., Ltd., caliber: 0.45 mm, discharge amount: 0.35 mL / 1 push, material: polypropylene (PP)) did. Various characteristics of the obtained deodorant mist were evaluated in the same manner as in Examples 1 to 48 and Comparative Examples 1 to 10. The results are shown below.
Mass ratio (A / B) = 2/1 = 2
・ Deodorization effect: ○
・ Durability of deodorization effect: ◎
・ Feeling smooth (30 minutes after application): ◎
-Persistence of smooth feeling (8 hours after application): ◎
・ Powder redispersibility: ◎

Next, Table 4 shows the raw materials used in Examples 1 to 51 and Comparative Examples 1 to 10.

The cosmetic composition of the present invention can be applied to, for example, cosmetics, pharmaceuticals, quasi-drugs, and the like, specifically, lotion, cosmetic liquid, essence, milky lotion, sunscreen lotion, sunscreen cream. , Aqueous foundation, deodorant spray, deodorant mist, deodorant sheet, deodorant roll-on, deodorant foundation, sheet-like cosmetics, and the like.

1 Hollow part 10 Hollow silicic acid porous powder

Claims

(A) Anhydrous silicic acid porous powder, (B) a polyether-modified silicone having an HLB of 5 to 10 and (C) 30 to 80% by mass of water, A cosmetic composition characterized in that the mass ratio (A / B) between the content of the acid porous powder and the content of the polyether-modified silicone of the component (B) is 0.2-7.
2. The cosmetic composition according to claim 1, wherein the (A) anhydrous silicic acid porous powder is an anhydrous silicic acid porous powder having an average particle size of 2 μm to 14 μm.
The cosmetic composition according to any one of claims 1 to 2, further comprising (D) at least one deodorant component selected from zinc paraphenolsulfonate, zinc oxide, and chlorohydroxyaluminum.
The cosmetic composition according to any one of claims 1 to 3, further comprising (E) at least one fungicide selected from isopropylmethylphenol, benzalkonium chloride, and triclosan.