PROBLEM TO BE SOLVED: To provide an adsorptive article which prevents a skin rash of a wearing person by the adsorptive article, such as a diaper and sanitary napkin, and a barrier agent to be applied to the surface of the adsorptive article in order to obtain the adsorptive article capable of preventing the skin rash. SOLUTION: The barrier agent for the adsorptive article contains an oil soluble antioxidant and the adsorptive article is coated with this barrier agent on its surface.