Solid powder cosmetics

Details Solid powder cosmetics Solid powder cosmetics

2005-05-17

2005-05-17

Spear, James (Department: 1615)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Cosmetic, antiperspirant, dentifrice

C424S069000, C424S063000

Reexamination Certificate

active

06893649

ABSTRACT:
A solid powder cosmetic is provided which is superior in availability and formability. The solid powder cosmetic comprises 10 to 80 wt % of extender, 0.1 to 40 wt % of color pigment, and 0.5 to 80 wt % of spherical resin particles characterized by an average volume particle size of 2.0 to 20.0 μm, a glass-transition temperature of 10 to 100° C. and a number average molecular weight of 5000 to 20000. Further, the solid powder cosmetic has an average volume particle size distribution GSDv of the spherical resin particles being 1.3 or less, and a shape factor SF1 of the spherical resin particles being 100 to 140.

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