Visibly transparent uv photoprotective compositions

Details Visibly transparent uv photoprotective compositions Visibly transparent uv photoprotective compositions

A - Human Necessities

61

K

A61K 8/27 (2006.01) A61K 8/35 (2006.01) A61Q 17/04 (2006.01)

Patent

CA 2710958

A broad-spectrum UV photoprotective composition is described. The composition is characterized in that the composition comprises mesoporous zinc oxide aggregates having an average aggregate size of at least 0.8 microns dispersed in a carrier and the composition is visibly transparent. Sufficient zinc oxide is included in the composition to achieve an SPF greater than 15, greater than 25, greater than 30, or greater than 50.

L'invention concerne une composition photoprotectrice contre les UV à large spectre. La composition est caractérisée en ce qu'elle comprend des agrégats d'oxyde de zinc mésoporeux ayant une taille moyenne d'agrégat d'au moins 0,8 micron dispersés dans un support et la composition est visiblement transparente. Une quantité suffisante d'oxyde de zinc est incluse dans la composition pour obtenir une valeur SPF supérieure à 15, supérieure à 25, supérieure à 30 ou supérieure à 50.

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