Benzoyl Peroxide Aids Acne Scores But Cuts Microbial Diversity

Benzoyl peroxide (BPO) may damage the epidermal barrier. Among 33 patients with acne vulgaris and 19 controls, use of a BPO 5% gel for 12 weeks was associated with significant improvement in the Global Acne Grading System score but a significant reduction in beneficial microbial diversity.

Via Dermatologic Therapy. Published online December 27, 2021.