Powdered composition

A composition and powder technology, which can be used in body powders, cosmetic preparations, pharmaceutical formulations, etc., can solve the problems of moisturizing effect or dryness, low water repellency, low oil repellency, and less water phase, etc., to achieve the goal of manufacturing And the effect of excellent conveying adaptability, stable powder form and good feeling of use

Pending Publication Date: 2020-06-12
SHISEIDO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the base described in Patent Document 5 has low water repellency and oil repellency due to the low water repellency and oil repellency of the hydrophobized (silicon-treated) silica as a constituent component, so only a small amount of a polyhydric alcohol that lowers the surface tension of the water phase or An oil with good affinity with hydrophobized silica, so the moisturizing effect and the reduction of dryness are not sufficient
In addition, the base described in Patent Document 6 can only be prepared with a large amount of powder or a large amount of liquid oil and silicone wax, and the water phase is small, so it does not satisfy the degree of moisture and moisture retention. By
In addition, since the oil is solidified, the liquefaction is low, and the characteristics of the base are not fully utilized.
The base described in Patent Document 7 contains a surfactant as an essential component, so even though it uses a powder with high water repellency and oil repellency, it loses its effect when applied to the skin
In addition, it is of low value to consumers who avoid the irritation of surfactants or the environmental burden of synthetic surfactants, and who are concerned about safety and security.
Furthermore, when the content of the powder is relatively large relative to the amount of liquid phases such as water and oil, there are not a few consumers who have rough skin and feel unfavorable.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0118] (Example 1, Comparative Examples 1-3)

[0119] Powdered cosmetics were prepared with the compositions shown in Table 1 below. By the above-mentioned test method, each cosmetic was evaluated for whether it can be powdered, usability (no dryness, moistness, good affinity), water resistance, time until it becomes a slurry (impact resistance), transportation test. It should be noted that "EPF MICA S" (manufactured by Daito Chemical Industry Co., Ltd.) was used for the fluorine-treated mica in Table 1, and "FSA-3TiO2 CR-50" (manufactured by Daito Chemical Industry Co., Ltd.) was used as the fluorine-treated synthetic titanium oxide. Silicone-treated talc was used by mixing "SA-Talc JA-13R" (manufactured by Miyoshi Chemical Industry Co., Ltd.) and "SA-Talc JA-46R" (manufactured by Miyoshi Chemical Industry Co., Ltd.).

[0120] [Table 1]

[0121] Example 1 Comparative example 1 Comparative example 2 Comparative example 3 (1) Fluorine treated mica 36 ...

Embodiment 2、3、 comparative example 4～7

[0126] Powdered cosmetics were prepared with the compositions shown in Table 2 below. Usability (no dryness, moisturization, good affinity), roughness suppression effect, time to slurry (impact resistance), and transport test were evaluated for each cosmetic by the above-mentioned test method. In addition, "PF-10AL-10 Sericite FSE" (made by Daito Chemical Industry Co., Ltd.) was used for the fluorine-processed sericite in Table 2.

[0127] [Table 2]

[0128]

[0129] (preparation method)

[0130] Mix and dissolve (2) to (4) to obtain an oil phase, spray the obtained oil phase to the powder of (1), mix and stir, and spray (5) -(9) Mix the obtained water phase, mix and stir, and fill in a container.

[0131] From the results in Table 2, it is clear that when the surface tension value of the water phase is less than 45mN / m (Comparative Example 4), the effect of roughness suppression is low, and the time until it becomes a slurry and the stability shown in the transport test...

Embodiment 4、5

[0133] Using the composition shown in the following Table 3, a skin care powder (Example 4) and a body powder for decollete (Example 5) having a sunscreen effect were prepared. It should be noted that the fluorine-treated talc and fluorine-treated titanium oxide in Table 3 are obtained by treating the talc and fine-grained titanium oxide with aluminum hydroxide, and then treating the surface with perfluoroalkyl phosphate sericite. PFX-10 series (both manufactured by Daito Chemical Industry Co., Ltd.).

[0134] [table 3]

[0135] Example 4 Example 5 (1) Fluorine treated talc 35 40 (2) Fluorine treatment to synthesize titanium oxide 5 - (3) Tris(2-ethylhexanoate) glycerol 10 7 (4) Octyl Methoxycinnamate 5 - (5) Spices - 1 (6) water 39 47 (7) Glycerin 5 - (8) Polyoxyethylene (14) Polyene (7) Random Copolymer 1 3 (9) Xylitol - 2 Surface tension value of water phase (6~9) (mN / m) 48.1 45.3 no dr...

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Abstract

The purpose of the present invention is to provide a powdered composition which is a pharmaceutical preparation exhibiting a strong dry skin-suppressing effect and containing well-balanced amounts ofan aqueous component and an oil component, balances being easily absorbable with imparting a youthful fresh feeling, has the appearance of being a powder while liquifying when applied to the skin, andexhibits excellent usability without causing squeakiness. This powdered composition is characterized by containing (a) a fluorine-treated powder, (b) an oil component which is a liquid at room temperature, and (c) an aqueous component which exhibits a surface tension value of 45-65 mN / m, inclusive, and in that rubbing causes the composition to liquify. The powdered composition is further characterized in that the (b) component content is 1-50 mass%, and the ratio of the (b) component to the (c) component is 1:10-3:1. The powdered composition preferably does not substantially contain a surfactant.

Description

technical field [0001] The present invention relates to a powder composition which is in a powder form and is liquefied by rubbing when used. Background technique [0002] The powder composition liquefied by rubbing has the following characteristics: it contains a base of a structure in which a liquid component is surrounded by a powder with high water repellency and oil repellency, the appearance is powdery, and when rubbed on the skin during use, it will Liquefaction occurs. Such a powder composition can be used preferably in the field of cosmetics because it can provide a sense of use based on the properties of the contained liquid components, and can also provide stability during manufacture and transportation of products, and is also suitable for carrying. [0003] For example, there are bases in which a water-based component and hydrophobized powder are powdered to obtain a refreshing feeling of use (Patent Documents 1 and 2), or bases in which an oil-based component ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/25A61K8/02A61K8/31A61K8/34A61K8/37A61K8/86A61Q1/12A61Q17/04A61Q19/00
CPCA61K8/02A61K8/25A61K8/31A61K8/34A61K8/37A61K8/86A61Q1/12A61Q17/04A61Q19/00
Inventor 佐藤知子木村元春
Owner SHISEIDO CO LTD
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