Reference summary — not medical advice or a personal risk estimate.
Acne treatment
Topical products for acne. A March 2024 independent-lab petition to the FDA reported benzene forming in some benzoyl peroxide products as they degrade.
Also known as: spot treatment, pimple cream
What this does NOT mean
Finding a factor documented in this product category does not establish that ordinary use of acne treatment causes cancer. It means research — through regulatory testing, recall records, or IARC review — has found that chemical present in this category. Whether it matters for you depends on formulation, dose, frequency, and route of exposure.
What has been documented
- BenzeneIARC Group 1IARC Group 1Contamination · medium confidence
Benzoyl peroxide can break down into benzene, especially when stored warm. In March 2024 an independent lab petitioned the FDA after reporting benzene in some benzoyl peroxide products.
Evidence source: US FDA
How to read this page
A factor appearing on this page means it has been documented in this product category — through EPA / FDA testing, IARC monographs, or regulatory recall records. Whether it presents a meaningful personal risk depends on the specific formulation, dose, and how you're exposed. Click any factor to read what science actually says about it, and where.