Patent ID: 6861397

Claim:
A topically active composition comprising: (a) about 0.001% to about 5%, by weight, of a topically active compound; (b) about 0.1% to about 15%, by weight, of an anionic surfactant; (c) about 0.5% to about 35%, by weight, of a hydrotrope; (d) about 0.5% to about 25%, by weight, of a water-soluble hydric solvent; (e) 0% to about 5%, by weight, of a cosurfactant selected from the group consisting of a nonionic surfactant, an ampholytic surfactant, and mixtures thereof; and (f) water, wherein the topically active compound is present in the composition in an amount of at least 50% of saturation concentration, when measured at room temperature, and the topically active compound is water-insoluble and is selected from the group consisting of an antidandruff agent, a sunscreen, a medicament, a skin conditioner, a hair conditioner, a vitamin, an emollient, an antioxidant, a fragrance, an antiacne agent, a skin protectant, an external analgesic, an ultraviolet light absorber, and mixtures thereof, and wherein upon dilution of one weight part of the composition with 0.33 to 3 parts of water, by weight, a phase separation is observed within one hour.