Benzoyl peroxide: what it does and how to use it
Benzoyl peroxide kills the bacteria involved in acne. In the US it is an over-the-counter acne drug; it is effective but drying, and it bleaches fabric.
What it does
- Reduces acne-causing bacteria on the skin.
- Helps clear inflamed spots.
Strength and rules
- US OTC acne products contain 2.5–10%. Lower strengths tend to irritate less.
- It is not listed in the Korea Cosmetic Association ingredient dictionary.
How to use it
- Start once a day or as a short-contact wash.
- Use white towels and pillowcases: it bleaches fabric and hair.
Who should be careful
- Dryness, peeling and redness are common; follow with a moisturizer.
Sources
General information, not medical advice. If you have a skin condition or are pregnant, ask your doctor.