1. Health

PABA

From , former About.com Guide

Updated July 25, 2008

About.com Health's Disease and Condition content is reviewed by the Medical Review Board

Definition:

PABA, or para-aminobenzoic acid, is a chemical that was used in sunscreens to block UVB radiation. It is rarely used in sunscreens now because it frequently causes allergic reactions and stains clothes.

Also Known As: Para-aminobenzoic acid

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