Skin-whitening cosmetic
AssigneeSunstar Inc.
InventorsHiromichi Imanaka, Hideya Ando, Taketoshi Makino
Life of this patent
Estimating the term…
Abstract
A skin-whitening cosmetic material which contains an unsaturated fatty acid or a derivative thereof as the active ingredient, is highly effective in making the color of pigmentation on the skin lighter at a lower concentration, and is highly safe. The skin-whitening cosmetic material comprises (A) at least one member selected from unsaturated fatty acids having from 18 to 22 carbon atoms and having from 2 to 6 double bonds in the molecular structure, and derivatives thereof, (B) a phospholipid, (C) an antioxidant, (D) at least one member selected from proteins and hydrolyzates thereof, and (E) at least one member selected from muco-polysaccharides and salts thereof.
Claims10
A skin-whitening cosmetic material comprising;
- (A) at least one member selected from the group of compound consisting of unsaturated fatty acids having from 18 to 22 carbon atoms and having from 2 to 6 double bonds in the molecular structure, and their derivatives, wherein the amount of said unsaturated fatty acids and their derivatives is from 0.01 to 0.7% by weight of the total amount of the material,
- (B) a phospholipid,
- (C) an antioxidant in an amount of from 0.0005 to 0.5% by weight,
- (D) at least one member selected from the group of compounds consisting of proteins and their hydrolyzates, and
- (E) chondroitin sulfate.
A skin-whitening cosmetic material comprising a liposomal composite that contains the following:
- (A) at least one member selected from the group of compounds consisting of unsaturated fatty acids having from 18 to 22 carbon atoms and having from 2 to 6 double bonds in the molecular structure, and their derivatives, wherein the amount of said unsaturated fatty acids and their derivatives is from 0.01 to 0.7% by weight of the total amount of the material,
- (B) a phospholipid,
- (C) an antioxidant in an amount of from 0.0005 to 0.5% by weight,
- (D) at least one member selected from the group of compounds consisting of proteins and their hydrolyzates, and
- (E) chondroitin sulfate.
Dependencies are inferred from the claim text.