The present invention is accomplished to provide an absorbent article, such as a diaper and sanitary napkin, which can prevent a rash in the wearer and does not impart a sticky sensation to the wearer, and a barrier agent to be applied to the surface of an absorbent article. A barrier agent for an absorbent article containing powder for improving the tactile sensation incorporated therein or attached on the surface, and an absorbent article with the barrier agent attached on the surface are provided.