Benzene is a chemical that is formed in nature and from human activities. It is also a natural part of crude oil, gasoline and cigarette smoke. Exposure to benzene can increase the risk of cancer.

Certain acne products benzoyl peroxide are being recalled, including Walgreens Acne Control Cleanser, Proactiv Skin Smoothing Exfoliator and La Roche-Posay Effaclar Duo Dual Action Acne Treatment.

Some acne treatments from brands including Walgreens, Proactiv and La-Roche Posay have been voluntarily ... forest fires, crude oil, gasoline and cigarette smoke. It is one of the top 20 most ...