KR20010078630A - Pressed powder composition having metal-soaps - Google Patents

Abstract

PURPOSE: A cosmetic composition containing metallic salts of higher fatty acid, metallic soap, is provided, which has the improved stability and color expression. CONSTITUTION: The cosmetic composition contains higher fatty acid salts of nonalkalic metals, such as calcium, zinc, magnesium and aluminium, as solid binders, especially contains 4 to 10 wt.% of Mg-Myristate and Zn-Sterate. The cosmetic composition powder minimizes the quantity of oil components to increase its stability and color expression and is thus applied to two way cake, eye shadow or powder blush and the like.

Description

Pressed powder composition having metal-soaps

The present invention is a powdered powder having excellent color expression and drop stability by minimizing oil components by blending higher fatty acid salts of non-alkali metals such as calcium, zinc, magnesium, and aluminum into the powdered powder cosmetic composition as a binder. It relates to a cosmetic composition.

Generally, oil components in powdered cosmetics are used to improve adhesion and cohesion between powders. In particular, since the oil component has an important effect on adhesion, longevity, etc. in powdery cosmetics, hydrocarbon-based and ester-based are generally used in tasteless, odorless, light usability, water repellency, and the like. In addition, the silicone oil has a good spreading property but tends to lower the adhesiveness, so it is better to use oils of different kinds such as esters, but it should be selected that is not separated from the silicone oil. In addition, small amounts of high viscosity oils may be used to increase adhesion. When using oil as a binder, when the content is too small, the color expressiveness is good, but the cohesion between powders is remarkably deteriorated, so that the powder is blown out and the dropping stability is remarkably decreased. In addition, when the content is too high, the cohesiveness between the powders is remarkably high, and the dropping stability is remarkably improved, but the grazing on the surface of the product is severe, and the pigment particles due to the oil wetting decrease the reflectance and the light scattering ability. The color falls. Currently, mainly used as a binder in powdery cosmetics is liquid oil, but depending on the type of oil due to problems such as product stability, usability, it is most stable to contain about 10-20%. As such, the role of the oil binder in powdery cosmetics is indispensable for maintaining the stability of the formulation. However, the moldability and drop stability are improved by increasing the oil binder content, but due to the decrease in the reflectance and the light scattering ability of the pigment particles by the oil wetting, the color represented by the color is significantly decreased. In addition, there is a tendency to minimize the content of the oil binder in the eye shadow having a large amount of pearl because of the disadvantage that the pearl sense falls considerably.

US Patent 5641920 describes a method of adding surface active additives to improve the formability of the powder. However, there is a disadvantage in that grading is generated on the surface of the product while improving moldability.

In order to solve the problems of the prior art, the present inventors have excellent stability and color using metal soaps, which are metal salts of higher fatty acids which minimize the use of liquid oil as a binder and improve smoothness and adhesion. The powdery cosmetic composition with excellent expressive power was developed.

Metal soaps have different properties depending on the fatty acids (myrristic acid, stearic acid) and metals (calcium, zinc, magnesium, aluminum), but they have improved pigment dispersibility, smoothness and adhesion on the skin. And so on. The use of metal salts such as Mg-Myristate and Zn-Sterate with a solid binder function has led to the development of powdery cosmetic compositions (two-way cake, eye shadow, powder blush) with excellent stability and excellent color expression.

Hereinafter, the present invention will be described in more detail based on Examples and Comparative Examples, but the technical scope of the present invention is not limited thereto.

Powder cosmetic composition Comparative Example 1 Comparative Example 2 Comparative Example 3 Example 1 Example 2 Talc 55 57 61 55 53 2. Mica 10 10 10 10 10 3.Mg-Myristate - - - 6 8 4. Iron Oxide 15 15 15 15 15 5. Pearl 10 10 10 10 10 6. NaturalSqualane 10 8 4 4 3

Example

Example 1-2 is according to the composition of Table 1 above. Grind the components 1-5 once with a grinder and mix in a Henschel mixer for 5 minutes at 1000 rpm and then spray the oil. After mixing for 2 minutes at 1000rpm and pulverized once and solidified at a pressure of 20Kgf / cm ^{2 to} prepare a powder powder of Example 1-2. Comparative Example 1-3 was prepared in accordance with the manufacturing method of Example 1-2 eye shadow.

Quality evaluation

The powdery cosmetic composition prepared according to Example 1-2 and Comparative Example 1-3 was subjected to quality evaluation according to the following criteria.

Color expression and drop stability

In Table 2, 30 women in their 20s were repeatedly subjected to makeup for 15 days with eyeshadows prepared in Examples and Comparative Examples, and then the color expression ability (the color expressed compared to the appearance color) was evaluated based on the following criteria. Drop stability evaluated the degree of product breakage by freely dropping 20 products at a height of 70 cm.

5: very good

4: excellent

3: normal

2: bad

1: very bad

Result of evaluation of color expression and drop stability Comparative Example 1 Comparative Example 2 Comparative Example 3 Example 1 Example 2 Color expression 1.8 2.0 4.2 4.3 4.5 Drop stability 4.5 4.3 1.2 4.6 4.4

According to Table 2, Example 1-2 is significantly superior in color expressive power as compared to Comparative Example 1-2. This is because the comparative example compared to the embodiment, the excess oil is added, it is determined that the color expression ability is reduced due to the decrease in reflectance and light scattering ability of the pigment particles by the oil wetting.

In addition, Comparative Example 3 can be seen that the color expressive power is almost similar to that of Example 1, but the drop stability is significantly lower. This is believed to be due to the small amount of oil used as a binder to agglomerate the powder particles in Comparative Example 3. On the other hand, in Example 1, the oil binder content is the same as that of Comparative Example 3, but it is determined that drop stability is increased because of Mg-Myristate, which serves as a solid binder capable of agglomerating powder particles. If the oil content is less than 3% by weight, the drop stability is lowered, and when the product is used, the powder is severely blown and the amount of the puff is too much to make up the makeup. In addition, when the content of Mg-Myristate is more than 10% by weight, there is a disadvantage in that the slippery strength and the spreadability is poor when using the product.

Pearly feeling during makeup

The numerical values in Table 3 were evaluated based on the following percussion after 30 days of makeup in Comparative Women 1-2 and Example 1-2 for women in their twenties for 15 days.

5: very good

4: excellent

3: normal

2: bad

1: very bad

Evaluation result of pearl feeling at the time of makeup Comparative Example 1 Comparative Example 2 Example 1 Example 2 Pearly feeling during makeup 2.1 2.3 4.1 4.0

According to Table 3 it can be seen that Example 1-2 is relatively excellent compared to Comparative Example 1-2 pearl. This is because the comparative example has a relatively high oil wetting to decrease the reflectivity and the light scattering ability of the pearl particles appear less pearly.

As described above and can be seen through the Examples and Comparative Examples, the present invention provides a powdery cosmetic composition having excellent stability and excellent color expression by using metal soap, which is a metal salt of a higher fatty acid, which improves smoothness and adhesion. There is an effect that can be provided. In addition, the present invention can provide a powdery cosmetic composition having excellent pearly feeling during makeup.

Claims (2)

White powder cosmetic composition, such as two-way cake, eye shadow, powder blush, etc. WHEREIN: The powdery powder cosmetic composition characterized by using the higher fatty acid salt of the non-alkali metal of calcium, zinc, magnesium, and aluminum as a binder. The powdery pink cosmetic composition according to claim 1, wherein 4-10% by weight of Mg-Myristate and Zn-Sterate are used as binders.