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.

The FDA announced the recall of more acne products due to contamination of benzene, a cancer-causing chemical.While the recalled products contained elevated levels of benzene, the FDA said the risk of developing cancer from using these products is very low.