Ultraviolet screening powder and cosmetics
AssigneesAjinomoto Co., Inc., Asahi Glass Company, Limited
InventorsNoriyuki Nakanishi, Hiroo Mori
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Abstract
Herein disclosed are cosmetics having spherical silica containing an ultraviolet reflecting meterial surface-treated with platy N-lauroyl-L-lysine incorporated therein. According to the present invention, those cosmetics having spherical silica containing a conventional ultraviolet reflecting material blended therewith are improved in cosmetic functions such as spreadability upon application, lubricity upon application, smooth feeling on skins, adhesiveness to skins, water repellency, feeling, etc., maintaining the original ultraviolet screening effect.
Claims4
An ultraviolet screening powder comprising:
- porous spherical silica particles having an average particle diameter of 1 to 50 .mu.m,
- a pore volume of from 0.01 to 3 cc/g,
- 5 to 300% by weight, based on said silica, of an ultraviolet reflecting metal oxide selected from the group consisting of titanium oxide, zinc oxide, cerium oxide and mixtures thereof, and
- 0.05 to 90% by weight, based on said silica, of platy N-lauroyl-L-lysine of about 1 to 30 .mu.m.
Dependencies are inferred from the claim text.