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Cosmetic compositions

A cosmetic composition and a technology for the composition, applied in the field of skin care compositions, can solve the problems of reducing the thickening ability of the composition, reducing the viscosity of the composition, reducing the skin absorption feeling and the like

Active Publication Date: 2011-10-19
PROCTER & GAMBLE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Certain potent skin care actives are known to be difficult to formulate, as they will reduce the thickening ability of the composition and eventually cause a significant decrease in viscosity or phase separation in the composition, usually in the form of a salt or as an amphiphile , especially in aqueous environments
Adding thickeners or increasing the amount of thickeners in the composition may contribute to formulation robustness, but is usually accompanied by poor skin feel and reduced skin absorption

Method used

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  • Cosmetic compositions
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Examples

Experimental program
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Embodiment

[0113] The following examples further describe and demonstrate embodiments within the scope of the present invention. These examples are given for illustration only and are not to be construed as limitations of the invention, since many changes may be made without departing from the spirit and scope of the invention.

[0114] Water-in-oil emulsion skin care products can be prepared by conventional methods from the following components.

[0115] Table 1

[0116]

[0117] 1. For example, KF96A (6cs), available from Shin-Etsu, Tokyo, Japan.

[0118] 2. Cyclopentasiloxane, available from Toshiba GE.

[0119] 3.5% solution of Dimethicone / Vinyl Dimethicone Crosspolymer in Dimethicone from Shin-Etsu, Tokyo, Japan.

[0120] 4. 25% solution of Dimethicone PEG-10 / 15 Crosspolymer in Dimethicone. Obtained from Shin-Etsu, Tokyo, Japan.

[0121] 5. PEG-10 Dimethicone available from Shin-Etsu, Tokyo, Japan.

[0122] 6. Polyglyceryl-3 dimethicone ethyl dimethicone available from Sh...

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PUM

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Abstract

A cosmetic composition comprises a) from about 0.1% to about 15% of an emulsifying crosslinked siloxane elastomer; b) from about 0.1% to about 10% of a noncrosslinked silicone emulsifier having a polyglycerin unit; c) from about 1% to about 50% of a solvent for the emulsifying crosslinked siloxane elastomer; d) from about 0.05% to about 10% of an amphiphilic active; and e) water.

Description

field of invention [0001] The present invention relates to skin care compositions comprising a non-crosslinked silicone emulsifier having polyglycerol units and a skin care active. Background of the invention [0002] Mammalian keratinous tissue, especially human skin, suffers from many extrinsic and intrinsic factors. The external factors mentioned above include ultraviolet radiation, environmental pollution, wind, heat, infrared radiation, low humidity, harsh surfactants, abrasives, etc. Intrinsic factors, on the other hand, include chronological age and other biochemical changes in the skin. These factors, whether extrinsic or intrinsic, lead to visible signs of skin damage. Typical skin lesions on aging or damaged skin include fine lines, wrinkles, hyperpigmentation, sallowness, sagging, dark circles, puffy eyes, enlarged pores, slowed turnover rate, and abnormal desquamation or peeling. Other damage, both from extrinsic and intrinsic factors, includes visibly dead sk...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/893A61K8/895A61Q19/00
CPCA61K8/31A61K8/416A61K8/44A61K8/675A61K8/894A61K8/895A61K2800/596A61Q17/04A61Q19/00
Inventor S·田中N·吉美
Owner PROCTER & GAMBLE CO