ORGANIC COMPOUND COMPOSITE POWDER HAVING ULTRAVIOLET ABSORBING ABILITY, METHOD FOR PRODUCING THE SAME, AND COSMETIC PREPARATION CONTAINING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a composite powder having an ultraviolet absorbing ability by uniformly coating the surface of a powder serving as the base with an ultraviolet absorber, particularly, an organic ultraviolet absorber, and a cosmetic preparation containing the powder and having high safety.;SOLUTION: The surface of a pigment powder as a fine particle powder selected from titanium oxide and/or zinc oxide is uniformly coated with an organic ultraviolet absorber having low solubility to a medium such as butyl methoxydibenzoylmethane and/or hexyl diethylaminohydroxybenzoyl benzoate in a state of being close to a monomolecular membrane by using an organic solvent having high solubility.;COPYRIGHT: (C)2012,JPO&INPIT