The products, which contain benzoyl peroxide, a common treatment for acne, were tested for elevated levels of benzene, the U.S. Food and Drug Administration (FDA) said in a notice this week.

According to dermatologist Shari Marchbein, M.D., mixing skincare ingredients—like benzoyl peroxide with retinol—without knowing how they'll interact isn't a good idea. "[It] will be not only ...

The latest occurrence is in acne products containing benzoyl peroxide. And while this sounds ... Inhalation accounts for 95 to 99 percent of benzene exposure. According to the American Cancer ...

Benzoyl peroxide, a key ingredient in Effaclar Duo, can degrade into benzene under certain conditions, prompting safety concerns. L’Oreal has removed the product from retailers. L’Oreal S.A ...