WATER-RESISTANT COSMETIC COMPOSITIONS, CONTAINING HYDROPHOBICALLY MODIFIED VINYLPYRROLIDONE COPOLYMER Russian patent published in 2015 - IPC A61K8/81 A61Q1/10 A61Q1/06 A61Q17/04

Abstract RU 2542446 C2

FIELD: chemistry.

SUBSTANCE: invention relates to cosmetic industry, namely to application of copolymers, containing N-vinylpyrrolidone and hydrophobically modified derivative of acrylic acid as substances, providing improved water resistance of cosmetic composition, and to application of said copolymers in sunscreen compositions in order to increase sun protection factor.

EFFECT: increase of sun protection factor.

8 cl, 17 ex, 20 tbl

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RU 2 542 446 C2

Authors

Kessler Veronik

Angel Maksimilian

Matkhauehr Klemens

Dates

2015-02-20—Published

2011-01-12—Filed