Sunscreen composite particules

Details Sunscreen composite particules Sunscreen composite particules

A - Human Necessities

61

K

A61K 8/02 (2006.01) A61K 8/04 (2006.01) A61K 8/06 (2006.01) A61K 8/36 (2006.01) A61K 8/88 (2006.01) A61Q 1/04 (2006.01) A61Q 17/04 (2006.01)

Patent

CA 2728015

Composite particles for providing UV photo protection in cosmetic compositions are reported which include an organic sunscreen agent dispersed within a condensation polymerized resin having carboxylic acid groups and a dielectric constant ranging from 6.5 to 18.

L'invention porte sur des particules composites permettant d'offrir une photoprotection contre les rayonnements ultraviolets dans des compositions cosmétiques, lesquelles particules comprennent un agent de protection solaire organique dispersé dans une résine polymérisée par condensation renfermant des groupes acide carboxylique et possédant une constante diélectrique comprise entre 6,5 et 18.

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