Optically activated particles for use in cosmetic compositions

Details Optically activated particles for use in cosmetic compositions Optically activated particles for use in cosmetic compositions

2007-12-11

2007-12-11

Woodward, Michael P. (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C424S489000, C424S490000

Reexamination Certificate

active

10243060

ABSTRACT:
Optically activated particles for use in cosmetic and pharmaceutical compositions are disclosed. The optically activated particles include a solid substrate having a fluorescent compound fixed thereto, and coated or encapsulated with a transparent or translucent coating of crosslinked polyvinyl alcohol. The optically activated particles absorb light at a UV wavelength and emit visible light at longer wavelengths, and are able to both absorb and scatter light in a diffuse manner in order to reduce the visual perception of skin imperfections, including cellulite, wrinkles, shadows, skin discolorations, blotchiness, and mild scars.

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