Colored sunscreen compositions
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United States of America Patent
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N/A
Issued Date -
Jun 3, 2004
app pub date -
Nov 24, 2003
filing date -
Jun 8, 2001
priority date (Note) -
Abandoned
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Abstract
This invention is directed to sunscreen formulations that exhibit both UV absorption and skin coloring properties. More particularly, the colored sunscreen preparations of the invention comprise a colored nanostructure that is reactive to skin or capable of being immobilized onto the skin. The colored nanostructure comprises a particulate sunblock agent in intimate relationship with a coloring agent or a colored polymeric nanomatrix. These colored sunscreen compositions provide improved retention of sunblock and coloring agents on the skin.
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