In response to lab testing, L’Oreal has issued a voluntary recall of its Effaclar Duo in the U.S. According to the recall, independent U.S. lab Valisure found high levels of benzene in acne treatments containing benzoyl peroxide (BPO) made by several companies. A larger list was revealed on the FDA website, as seen here. The recall noted that benzene is a known carcinogen that can form at high levels in products containing BPO, a common ingredient for killing acne-causing bacteria. The...