Several acne products containing benzene have been recalled due to possible benzene contamination, the Food and Drug Administration (FDA) said this week.

The products contain benzoyl peroxide, which can produce the carcinogen benzene under certain conditions The U.S. Food and Drug Administration has announced a voluntary recall of six widely available acne treatments,

Now more products have been recalled due to the same reason. Health reported Wednesday how L’Oréal took their popular La Roche-Posay Effaclar Duo acne treatment due to a potential benzene contamination. An independent lab, Vailsure, alerted the U.S. Food and Drug Administration (FDA) to this issue after testing revealed this contamination.