JPH0995431A - Composition for cosmetic foundation - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a cosmetic foundation composition giving a natural make-up finish and having an excellent skin color-correcting effect. SOLUTION: This composition for cosmetic foundations contains 2-20wt.% of mica titanate which is produced by coating mica with titanium dioxide and in which the maximum reflected peak wavelength of light transmitted from the titanium dioxide coating film is 400-550nm (blue color-green color). The mica titanate is obtained by processing mica into smooth and thin-flaky particles, dispersing nuclei comprising the particles e.g. in the acidic solution of a titanate salt, heating the dispersion to deposit the hydrolyzed titanium dioxide hydrate, and subsequently calcining the hydrate at 90-1000 deg.C to form a uniform titanium dioxide layer on the calcination product. The composition may be prepared in the form of an aqueous solution, a soluble preparation, an emulsion, a powdery preparation, an oily preparation, a gel, an ointment, an aerosol, a water-oil system two-layered preparation, a water-oil-powder system three-layered preparation, etc.

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention belongs to the technical field relating to makeup bases. Specifically, it belongs to the technical field of a makeup base composition which is excellent in the effect of correcting the color defect of the skin color without making the makeup finish unnatural.

[0002]

2. Description of the Related Art As a makeup base, generally, the foundation is well spreaded and spread on the skin, and the foundation is easily applied to the skin to make the finish of the makeup beautiful and to make the makeup last longer. It is widely used as a "pre-make" means for purposes such as A makeup base having a flesh color correction effect is currently provided in order to correct the color defect inherent in the flesh color by this pre-make and further improve the makeup finish.

Generally, a relatively large amount of a high hiding power powder such as titanium dioxide is blended in a makeup base having this flesh color correcting effect, and the high hiding power powder literally masks the color defect itself of the flesh color. As a result, the desired skin color correction effect was exhibited on this makeup base. However, if an attempt is made to correct the skin color with a makeup base compounded with a high hiding power powder, the makeup finish tends to be very pressed because a foundation is further applied from above this makeup base, As a result, it was difficult to create a natural texture.

[0004]

DISCLOSURE OF THE INVENTION The present invention overcomes the disadvantages of the above-mentioned makeup bases to which the skin color correcting effect is generally given, makes the makeup finish as natural as possible, and has an excellent skin color correcting effect. The task is to provide pre-make means.

[0005]

In order to solve the above problems, the present inventor has eagerly attempted to create a new makeup base capable of overcoming the drawbacks of the above-described makeup base containing the powder having a high hiding power. Study was carried out. As a result, by providing a makeup base containing a certain amount of specific mica titanium, it is possible to correct the color defect of the skin without making the makeup finish unnatural, and to solve the above problems. Found to get.

That is, the inventor of the present invention provides the inventions described in the following claims. In Claim 1, the transmitted light contains blue mica titanium, and the compounding quantity of the titanium dioxide powder which excludes the titanium dioxide weight in this mica titanium is 3.0 weight% of the whole composition. The following (including 0% by weight) composition for a makeup base is provided.

A composition for a makeup base according to claim 1, wherein the mica titanium whose transmitted light is blue to green is hydrophobized titanium mica.

The composition for a makeup base according to claim 1 or 2, wherein the mica titanium whose transmitted light is blue to green is titanium mica treated with red iron oxide.

In claim 4, the content of titanium mica whose transmitted light is blue to green is 2.0% by weight or more and 20.0% by weight or less based on the total weight of the composition. A composition for a makeup base according to claim 1.

In Claim 5, the blending amount of titanium mica whose transmitted light is blue to green is 3.0% by weight or more and 10.0% by weight or less based on the total weight of the composition. A composition for a makeup base according to claim 1.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below. “Mica titanium whose transmitted light is blue to green” to be added to the composition for a makeup base of the present invention means that among the mica titanium obtained by coating mica with titanium dioxide, the optical thickness of the titanium dioxide is 190 to 270 nm. And / or 4
It is in the range of 05 to 500 nm. That is,
If the optical thickness of titanium dioxide is within the above range, the maximum reflection peak wavelength of transmitted light of the titanium dioxide film is 4
It becomes 00 nm-550 nm (blue to green).

These titanium micas can be produced by a generally known method. That is, for example, mica as smooth flaky particles, with this as a nucleus, for example, flaky mica is dispersed in an acidic solution of a titanium salt, heated to precipitate a hydrate of titanium oxide by hydrolysis, 90
By firing at 0 ° C. to 1000 ° C., a uniform layer of titanium dioxide can be formed on the surface, and the desired mica titanium can be produced.

Further, the cosmetic base composition of the present invention has been subjected to various treatments for the purpose of imparting useful properties to the composition, by which various treatments which do not impair the intended effect of the present invention are carried out. Mica titanium can be blended.

For example, for the purpose of imparting water repellency to the composition for a makeup base of the present invention, the above-described mica titanium which has been subjected to a hydrophobizing treatment may be blended. Specifically, for example, the above-mentioned mica titanium that has been subjected to high-viscosity silicone treatment, the same mica titanium that has been treated with a silicone resin using an alkylhydrogenpolysiloxane, and the above two silicone-treated mica titanium that has been further treated with an alkene. Mica titanium, wax-treated mica titanium, dextrin fatty acid-treated mica titanium, fluorine-treated mica titanium and the like can be added to the makeup base composition of the present invention.

Further, for example, the above-mentioned mica titanium treated with red iron oxide may be blended for the purpose of suppressing "flicker" due to titanium mica itself in the composition for the makeup base of the present invention.

Various treatments performed on these mica titanium are also
It is possible to use a generally known method for each, and it is also possible to mix the above-described titanium mica obtained by combining these treatments into the composition for a makeup base of the present invention.

It is of course possible to blend a commercially available product of the above titanium mica with the composition for the makeup base of the present invention. Specifically, for example, flamenco red (manufactured by Marl: titanium dioxide film thickness 250 nm), chimikai redescent red (manufactured by Marl: titanium dioxide film thickness 250 nm), temilon super red (manufactured by Merck: transmitted light blue to Green)
And the like.

The mica titanium treated with red iron oxide is, for example, Duochrome YR (manufactured by Marl:
For example, a titanium dioxide film thickness of 250 nm) can be used.

The amount of the above mica titanium (including those subjected to the above treatment) in the composition for the makeup base of the present invention is preferably 2.0% by weight or more based on the entire composition. When the amount is less than 2.0% by weight based on the total weight of the composition, the effect of correcting the skin color in the cosmetic base composition of the present invention is not sufficiently exhibited, which is not preferable. From the viewpoint of maintaining the skin color correction effect, the upper limit of the amount of titanium mica (same as above) blended in the composition for the makeup base of the present invention is not particularly limited. It is not preferable because it has a tendency to be accompanied by an unnaturalness, which is different from the above-described thick feeling at the time of makeup finishing, which is caused by the glitter feeling peculiar to titanium. From this viewpoint, the compounding amount of the titanium mica (same as above) is approximately 20.0% by weight based on the whole composition.
The following is preferred.

Further, especially when the above-mentioned blending amount is 3.0% by weight or more and 10.0% by weight or less based on the entire composition, the makeup base composition of the present invention makes the cosmetic finish unnatural. It is particularly excellent in the effect of correcting skin color defects and is optimal.

In addition to the above-described titanium mica (same as above) alone being blended in the makeup base composition of the present invention, different treatments (untreated It is also possible to combine two or more kinds of the above-described titanium mica (the same as above) which has been subjected to a treatment) and to mix it in the makeup base composition of the present invention within the above-mentioned mixing range.

In the makeup base composition of the present invention, when the titanium dioxide powder, which is usually incorporated in the makeup base as a white pigment powder having a high hiding power, is excessively added, the desired natural skin color correcting effect is obtained. It is not preferable because it will be canceled out by the titanium dioxide powder present in.

That is, the present invention relates to a composition for a makeup base which exhibits the intended effect only when the specific mica titanium is blended and the titanium dioxide powder is blended in a predetermined amount or less. .

Specifically, even if the titanium dioxide powder is not added to the makeup base composition of the present invention, the desired skin color correcting effect is sufficiently exhibited. Further, for the purpose of intentionally imparting a special color to the makeup base composition of the present invention, and for imparting an ultraviolet blocking effect, etc., even when titanium dioxide powder is blended, the present invention makeup base of titanium dioxide powder is The blending amount in the composition for use is 3.0% by weight or less based on the entire composition, regardless of whether it is a rutile type, anatase type and / or ultrafine particulate titanium dioxide powder. preferable. When the above titanium dioxide powder is blended in the makeup base composition of the present invention in an amount of more than 3.0% by weight based on the total weight of the composition, the cosmetic finish is unnatural when the composition is used as a makeup base. It is not preferable because it tends to be felt.

In the present specification, the amount of titanium dioxide powder blended in the composition for the makeup base of the present invention is the weight of titanium dioxide that coats the mica in the above-mentioned titanium mica, that is, the weight of titanium dioxide in titanium mica. Displayed as the weight. In this manner, a makeup base composition capable of correcting color defects of the skin without making the makeup finish unnatural is provided.

In the composition for the cosmetic base of the present invention, the titanium mica is used as a mixture with a pharmaceutically acceptable base according to the desired dosage form, whereby the composition of the present invention can be obtained. It is sufficiently possible to exert the desired effect, and as long as it is a composition for a makeup base intended only for this intended effect, it is not particularly necessary to additionally mix other components.

However, for the purpose of imparting the effect that the composition for makeup base will generally exert by the addition of other components, it is preferable to add the other component to the composition for makeup base of the present invention. The blending is possible within a range that does not impair the intended effect of the present invention.

For example, various moisturizing ingredients, ultraviolet absorbents and ultraviolet ray blocking agents, whitening ingredients, ingredients having a rough skin preventing action, antibacterial ingredients, sebum inhibiting ingredients, etc. are blended with the composition for the makeup base of the present invention depending on the purpose. be able to.

Further, powder components, natural animal and vegetable oils and fats, hydrocarbons, waxes, higher fatty acids, fatty acid esters, polar oils, silicone oils, thickeners, organic solvents, antioxidants or antioxidant aids, Preservatives, surfactants, chelating agents, cooling agents, dyes, fragrances, purified water and the like can be appropriately combined and blended in the cosmetic base composition of the present invention in accordance with the formulation according to the desired dosage form.

Further, the present invention can be widely applied to dosage forms which can be used as a composition for a makeup base, and includes, for example, an aqueous system, a solubilizing system, and an emulsifying system (water-in-oil type emulsifying system, oil-in-water type). A wide range of dosage forms can be employed, such as emulsified type), powder type, oil liquid type, gel type, ointment type, aerosol type, water-oil 2 layer system, water-oil-powder 3 layer system. It should be noted that the dosage forms that the cosmetic base composition of the present invention can take are not limited to these dosage forms. The specific formulation of the makeup base composition of the present invention will be described in Examples described later.

[0031]

EXAMPLES Next, the present invention will be described more specifically by way of examples. However, this should not limit the technical scope of the present invention. In addition, the following weight%
All are meant by weight percent of the total composition. First, the evaluation method of the composition for a makeup base of the present invention in Examples described later will be described.

Evaluation of Effect of Correcting Color Defects of Skin Color 10 female panels aged 18 to 28 with spots or freckles on the skin were made to use the composition for makeup base, and the foundation (Elixir Sunshade Pact) was applied. :
Shiseido Co., Ltd.) was used. For each panel,
Self-judgment of the effect of hiding spots or freckles was performed, and when 6 or more panels were effective, the evaluation was ○.
The evaluation in the case of less than or equal to the name was rated as x.

Maintaining the natural texture of the makeup finish
Evaluation of the effect (effect of eliminating the feeling of thickening) When evaluating the effect of correcting the above-mentioned color defects of skin color, the effect of maintaining the natural texture of the finished product on each panel (effect of eliminating the feeling of thickening) ) Was also self-judged, and the evaluation when the panel of 6 or more people was natural was evaluated as ◯, and the evaluation when the panel of 5 people or less was evaluated as x.

[Examples 1 and 2] Compositions for makeup bases having the formulations shown in Table 1 below were prepared and subjected to the above evaluations to examine the effectiveness of the composition for makeup bases of the present invention. It should be noted that all the numbers indicating the blended components in this table mean% by weight based on the whole composition.

[0035]

[Table 1]

(Production method) First, in purified water heated to 70 ° C.,
Natural montmorillonite and CMC-Na were added and dispersed, to which triethanolamine, glycerin and dipropylene glycol were added and mixed to prepare an aqueous phase. Next, cetanol, stearyl alcohol, stearic acid, stearic acid, dimethylpolysiloxane, decamethylcyclopentasiloxane, cetylisooctanoate, glyceryl monostearate and ethylparaben are stirred and mixed in this aqueous phase (70 ° C) at 70 ° C. The oil phase prepared by the above was added at this temperature, and Duochrome YR and titanium dioxide were further added to this mixture to disperse the mixture, followed by emulsification and cooling to 30 ° C. to obtain the desired O / W type premake cream. Got

In Example 1, Duochrome YR, which is mica titanium whose transmitted light is blue to green, was compounded in the makeup base composition in the above compounding range.
In Comparative Example 1 in which the titanium dioxide powder was excessively blended, the effect of correcting the color defect of the skin color was excellent, but inferior in the natural texture of the makeup finish. It became clear that it would end up.

Also, in Example 2 in which the above Duochrome YR was compounded in the composition for makeup base in the above compounding range, both of the above evaluations were excellent, whereas the above described mica titanium, Duochrome YR. Comparative Example 2 in which is not blended
Is excellent in the natural texture of the finish,
It was revealed that the effect of correcting the flesh-colored color defect was inferior.

From these facts, the makeup base composition of the present invention containing titanium mica in the above-mentioned blending range is certainly excellent in the effect of correcting the color defect of the flesh color and has a natural finish. Also turned out to be excellent.

It has also been clarified that if a certain amount or more of titanium dioxide powder is blended, this effect is impeded, which is not preferable.

The following are examples of formulation of the cosmetic base composition of the present invention in various dosage forms. It should be noted that each of the compositions for makeup base had an excellent effect of correcting the color defect of the flesh color, and the finish of the makeup had a natural texture.

In the third and fourth embodiments,
In both cases, no titanium dioxide powder was added, but even in these cases, the above effects were not inferior.

Example 3 Premake Cream (O / W Type) Wt% Cetanol 2.2 Stearyl Alcohol 1.3 Stearic Acid 2.2 KOH 0.1 Triethanolamine 0.7 Glyceryl Monostearate 2.2 POE (60) hydrogenated castor oil 0.4 octamethylcyclotetrasiloxane 11.0 glyceryl trioctanoate 3.0 squalane 2.0 ethylparaben 0.2 1,3-butanediol 4.0 Temilon super red (Merck Co., Ltd.) 18.0 Duochrome YR 2.0 Purified water Remainder (Production method) First, triethanolamine and KOH were added to and dissolved in purified water heated to 70 ° C to prepare an aqueous phase. Next, in this aqueous phase (70 ° C.), cetanol, stearyl alcohol, stearic acid, glyceryl monostearate, POE (60) hydrogenated castor oil, octamethylcyclotetrasiloxane, glyceryl trioctanoate, squalane, ethylparaben and 1 The oil phase prepared by stirring and mixing 3,3-butanediol at 70 ° C. was added at this temperature, and then Temilon Super Red and Duochrome YR were added to the mixture and dispersed, followed by emulsification, It cooled to 30 degreeC and obtained the desired O / W type premake cream.

Example 4 Premake Cream (W / O Type) Wt% Dimethylpolysiloxane (6cs) 8.0 Octamethylcyclotetrasiloxane 8.0 Decamethylcyclopentasiloxane 8.0 Octylmethoxycinnamate 4. 0 squalane 2.0 organo modified polysiloxane 1.2 diglyceryl diisostearate 1.3 organic modified bentonite 2.0 polyethylene glycol 6000 1.0 1,3-butanediol 5.0 methylparaben 0.2 vitamin E acetate 0 .1 Hydrophobized Temilon Super Red ^* 14.0 Hydrophobized Duochrome YR ^* 3.0 Purified water balance *: Using the usual method (alkyl hydrogen polysiloxane + alkene treatment) for the mica titanium Was hydrophobized. (Production method) First, at 70 ° C, dimethylpolysiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, octylmethoxycinnamate, squalane, organo-modified polysiloxane, diglyceryl diisostearate and vitamin E acetate are stirred and mixed. Then, an organic modified bentonite was added to this and dispersed to prepare an oil phase. Then this oil phase (70 ° C)
In advance, in purified water polyethylene glycol 6000,
An aqueous phase prepared by dissolving methylparaben and 1,3-butanediol at 70 ° C. was added at this temperature for emulsification, and the treated Temilon Super Red and Duochrome YR were added to the emulsion. Dispersion treatment was carried out, and the mixture was cooled to 30 ° C. to obtain the desired O / W type premake cream.

[Example 5] Pre-makeup weight% Purified water balance Temilon Super Red 1.0 Duochrome YR 1.0 Fine particle titanium oxide 1.5 Zinc white 1.0 Kaolin 6.0 Iron oxide (yellow) 0.5 iron oxide (red) 0.1 ethyl alcohol 7.0 glycerin 1.0 sodium chloride 0.17 sodium hexametaphosphate 0.03 methylparaben 0.1 (production method) sodium chloride, sodium hexametaphosphate, methylparaben and purified water Glycerin was dissolved to prepare a main aqueous phase. On the other hand, Temilon Super Red, Duochrome YR, particulate titanium oxide, zinc white, kaolin,
Powder components of iron oxide (yellow) and iron oxide (red) are mixed and pulverized, and this is added to the above main aqueous phase for dispersion treatment, and then ethanol is added to prepare a desired pre-mechion. did. All these preparation steps were performed at room temperature.

[0046]

EFFECTS OF THE INVENTION The present invention provides a composition for a makeup base which is capable of correcting a color defect of a skin color without making a cosmetic finish unnatural.

Claims (5)

[Claims] 1. A compound containing titanium mica whose transmitted light is blue to green, and the compounding amount of titanium dioxide powder excluding the weight of titanium dioxide in this mica titanium is 3.0% by weight of the whole composition. The following (including the case of 0% by weight) is the makeup base composition. 2. The makeup base composition according to claim 1, wherein the mica titanium whose transmitted light is blue to green is hydrophobized mica titanium. 3. The composition for a makeup base according to claim 1, wherein the mica titanium whose transmitted light is blue to green is a red iron oxide-treated mica titanium. 4. A compounding amount of titanium mica whose transmitted light is blue to green is 2.0% by weight or more based on the whole composition, and 20.
The composition for a makeup base according to any one of claims 1 to 3, which is 0% by weight or less. 5. A compounding amount of titanium mica whose transmitted light is blue to green is 3.0% by weight or more of the total composition, and 10.
The composition for a makeup base according to any one of claims 1 to 3, which is 0% by weight or less.