Sunscreen gel

Claim 1

A water resistant suntan gel capable of forming, by solvent evaporation, a water-resistant film on skin after application of the gel thereon, which consists essentially of about 80 to about 90% alcoholic solvent, about 1 to about 12% ultraviolet radiation absorber which is soluble in said solvent, about 3 to about 7% emollient, about 1 to about 2% gelling agent for said solvent, said gelling agent being selected from the group consisting of hydroxypropyl cellulose acetate, hydroxypropyl starch acetate, and mixtures thereof, said esters having a degree of substitution of about 1.2 to about 3 and a degree of molar substitution of hydroxypropyl groups of about 2 to about 8, and methyl hydroxypropyl cellulose acetate having a degree of molar substitution of hydroxypropyl groups of about 2 to about 8, a degree of substitution of methyl groups of about 0.1 to about 1, and a degree of substitution of acetyl groups of about 0.8 to about 2.5, and about 1 to about 3% of an acid selected from the group consisting of citric acid, adipic acid, succinic acid and malic acid to enhance the binding ability of said gel film to the skin.