08/20/2026
How Does Benzoyl Peroxide Help Acne?
Benzoyl peroxide is one of the most effective over-the-counter ingredients for treating acne, and it works in a few different ways.
First, it releases oxygen into your pores. The bacteria that contribute to acne don’t thrive in an oxygen-rich environment, so this helps reduce the number of acne-causing bacteria on your skin. It also helps unclog pores by removing dead skin cells and excess oil, making it harder for new pimples to form.
A few tips if you’re just getting started:
• Start with a lower strength, such as 2.5% or 5%, to help minimize dryness and irritation.
• Use a moisturizer if your skin becomes dry.
• Be careful around towels, pillowcases, and clothing because benzoyl peroxide can bleach fabrics.