ULTRAVIOLET LIGHT ABSORBER AND ULTRAVIOLET LIGHT-ABSORBING SKIN PREPARATION FOR EXTERNAL USE PREPARED BY COMPOUNDING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide an ultraviolet light absorber and photostabilizer which has excellent ultraviolet light absorptivity in an ultraviolet light wavelength region, without absorbing a visible light, and also having high stability and safety.;SOLUTION: A pyrazine compound expressed by formula (I) and/or its salts is provided. Also, an ultraviolet light absorber is characterized by comprising the pyrazine compound and/or its salts.;COPYRIGHT: (C)2009,JPO&INPIT