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AssigneeNational Starch and Chemical Investment Holding Corporation
InventorsWilliam Rouse, 3, Maria Valles, Gary T. Martino, Chung-Wai Chiu
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Emulsion-containing cosmetic compositions, wherein the emulsion comprises an aqueous dispersion of 15 to 40% solids, by weight, of an enzymatically degraded starch, which starch has been debranched by treatment with an alpha-1,6-D-glucanohydrolase to yield up to 100%, by weight, short chain amylose, are provided herein. Also provided are oil-free cosmetic compositions and cosmetic stick compositions, comprising 1 to 16% enzymatically debranched starch; 2 to 35% water; 35 to 90% hydrophobic base, selected from the group consisting of oil, wax and fat, and 5 to 20% emulsifier(s), with the balance of the compositions comprising one or more adjuncts selected from dye(s), fragrance(s), flavor(s), sunscreen agent(s), opacifier(s), and filler(s). Also provided is a method for formulating a cosmetic stick composition.
An improved water-in-oil emulsion- or oil-free emulsion-containing skin cosmetic lotion, wherein the improvement comprises an effective amount of an aqueous dispersion of 15-40% solids, by weight, of a procooked, cold-water-swelling waxy starch which is enzymatically debranched by treatment with an alpha-1,6-D-glucanohydrolase to yield 35% to 100%, by weight, short chain amylose and which is present in an amount sufficient to create a fat-like lubricating texture in the aqueous starch dispersion.
Dependencies are inferred from the claim text.