A study by Valisure, a testing company, found that skincare products containing benzoyl peroxide (a popular skincare ingredient favored by beauty brands, including Clearasil and Clinique), can generate high levels of benzene, a cancer-causing chemical, when exposed to heat. This could happen if you leave them in a hot car or a steamy bathroom. Benzoyl … Continue reading A Cancer-Causing Chemical Found In Popular Skincare Brands, Including Clearasil And Clinique