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Sunscreen composition

A composition, water-in-oil technology, applied in the direction of cosmetics, cosmetic preparations, pharmaceutical formulations, etc., can solve problems such as failure to provide advantages and benefits

Inactive Publication Date: 2008-12-03
PROCTER & GAMBLE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] None of the prior art offers all the advantages and benefits of the present invention

Method used

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  • Sunscreen composition
  • Sunscreen composition
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Examples

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Embodiment 1-6

[0140]

[0141]

[0142] Component Definition

[0143] ＊ 1 isotridecyl isononanoate: Crodamol TN, purchased from Croda

[0144] ＊ 2 Octyl methoxycinnamate: Parsol MCX, available from Givaudan

[0145] ＊ 34-tert-Butyl-4'-methoxydibenzoylmethane: Parsol 1789, available from Givaudan

[0146] ＊ 4 Sorbitan Isostearate: Crill 6 from Croda

[0147] ＊ 5 Cetyl Dimethicone Copolyol: Abil EM90, available from Goldshmidt

[0148] ＊ 6 Dimethicone Copolyol: DC5225C available from Dow Corning

[0149] ＊ 7 Cross-linked silicone powder: Torayfil E-506C available from Dow Corning

[0150] ＊ 8 Trimethylsiloxysilicate: BY11-018, available from Dow Corning

[0151] ＊ 9 Silicon dioxide treated with polydimethylsiloxane: SASB-300 (7%) available from Miyoshi Kasei. Its oil absorption capacity was 130.4ml / 100g.

[0152] ＊ 10 Boron Nitride: available from Toray. Its oil absorption capacity is 95.2ml / 100g.

[0153] ＊ 11 Microparticulate titanium dioxide treated with methylsi...

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Abstract

Disclosed is a water-in-oil emulsified sunscreen composition comprising by weight: (a) an effective amount of a UV protection agent; (b) from about 0.1% to about 70% of a non-thickening oil absorbing powder having a mineral oil absorbing ability of at least about 40 ml / 100 g; (c) at least about 10% of the entire composition of water; and (d) an oil phase comprising: (i) at least about 50% by weight of the oil phase of a volatile silicone oil; and (ii) from about 0.1% to less than the oil absorbing ability of the non-thickening oil absorbing powder of a non-volatile oil; wherein when the UV protection agent is a non-volatile liquid of hydrophobic nature, it is considered the non-volatile oil.

Description

field of invention [0001] The present invention relates to water-in-oil emulsified sunscreen compositions which provide effective UV protection benefits while providing a fresh, cooling, non-greasy feel to the skin. In particular, the present invention relates to water-in-oil emulsified sunscreen compositions which can be used as cosmetic bases. Background of the invention [0002] It is known that skin damage and skin diseases, such as exfoliation and structural changes of the stratum corneum, are caused when the skin is exposed to excessive radiation of sunlight. It is also known that skin aging is accelerated when the skin is exposed to excessive and / or chronic exposure to sunlight. To prevent these skin diseases, a sunscreen composition containing a controlled safe and effective amount of UV protectors can be applied to the skin. UV protecting agents having different chemical / physical properties can be used, such as organic and inorganic, hydrophobic and hydrophilic UV...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/06A61K8/19A61K8/25A61K8/89A61Q17/04A61K8/00A61K8/31A61K8/891A61K8/92
CPCA61Q1/02A61K8/88A61K8/06A61K8/19A61K8/28A61K8/26A61Q19/008A61K8/893A61K8/731A61K8/31A61K8/922A61K8/8117A61Q17/04A61K8/25A61K8/585A61K8/891A61K8/064A61K8/29A61Q17/00
Inventor K·山田C·苏
Owner PROCTER & GAMBLE CO
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