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A member asked:

In what order do i apply niacinamide at night and tretonoin?

A doctor has provided 1 answer

This is how to do it: Wash your face with your regular cleanser, and pat dry. Apply the niacinamide serum all over your face. Apply the tretinoin cream all over your face and let it absorb. Finish off with a moisturizer.

Answered 7/25/2023

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