The agency announced that after concerns were raised about levels of benzene in products containing benzoyl peroxide, they tested 95 acne products with the ingredient. While most had “undetectable or extremely low levels of benzene,” six products showed “elevated levels” of benzene.

After a new third-party agency tested 95 acne products containing benzoyl peroxide for possible benzene contamination, the U.S. Food and Drug Administration is announcing a limited number of product recalls at the retail level.