U.S. health officials are asking retailers to pull a small number of acne creams from their store shelves after government testing found they contain slightly elevated levels of a chemical associated with cancer.

If you struggle with acne, you likely have heard of benzoyl peroxide, a common ingredient used in many acne-fighting products. Last year, a study was done that found that certain acne products containing benzoyl peroxide were found to have trace levels of benzene,

L’Oreal has recalled all U.S. lots of La Roche-Posay Effaclar Duo acne treatment due to concern that it may contain a carcinogenic chemical. Here's what to know.