The why
Proactiv Renewing Cleanser. 2.5% benzoyl peroxide. Valisure FDA Citizen Petition #8 (March 2024) flagged Proactiv among the brands with the highest benzene readings in its BPO stability testing; BPO decomposes into benzene, a known human carcinogen, under heat over time. Floor 7 reflects measured benzene-formation risk despite the lower BPO concentration. Ingredients verified 06 2026.