Can You Use Tretinoin and Benzoyl peroxide Together?
Don’t layer them in the same routine
Don’t layer them. In a 1998 study, benzoyl peroxide plus light broke down more than half of the tretinoin in about two hours. Use benzoyl peroxide in the morning and tretinoin at night, or ask your prescriber about switching to adapalene.
How to use tretinoin and benzoyl peroxide in one routine
Morning
Benzoyl peroxide wash, moisturizer, sunscreen
Night
Cleanser, tretinoin, moisturizer
Why
This is the one pairing with hard data behind the warning. Researchers mixed tretinoin gel with benzoyl peroxide lotion and exposed it to light. More than half the tretinoin degraded in about two hours, and 95% was gone within 24 hours.
Both are first-line acne treatments, so the goal is to keep them apart, not to choose one. A morning benzoyl peroxide wash and night-time tretinoin is a common way to use both.
What to watch for
If you are on prescription tretinoin, ask your prescriber before adding any other active.
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Tretinoin + Benzoyl peroxide
Don't layerBenzoyl peroxide plus light broke down more than half of tretinoin in about two hours in a 1998 study. Use benzoyl peroxide in the morning and tretinoin at night. Read more
A routine that keeps them apart
Morning
Cleanser → Benzoyl peroxide → moisturizer → sunscreen
Night
Cleanser → Tretinoin → moisturizer
On a prescription? Ask your prescriber before adding other actives. Want this checked against your actual products? Acnera scans your whole routine.
Frequently asked questions
Can You Use Tretinoin and Benzoyl peroxide Together?
Don’t layer them. In a 1998 study, benzoyl peroxide plus light broke down more than half of the tretinoin in about two hours. Use benzoyl peroxide in the morning and tretinoin at night, or ask your prescriber about switching to adapalene.
Can I use benzoyl peroxide in the morning and tretinoin at night?
Yes. That is the usual way to use both, since it keeps benzoyl peroxide off the tretinoin.
Is there a retinoid that works with benzoyl peroxide?
Adapalene. It stayed stable with benzoyl peroxide in the same study, and the two are sold combined.
Sources: Martin et al., Br J Dermatol 1998; AAD acne guidelines 2024. General information, not medical advice. If you use a prescription treatment, ask your prescriber before adding actives.
Read the full guide: Skincare ingredients not to mix