she recommends using the “sandwich technique": Use a light moisturizer first and wait a few minutes for it to absorb into your skin before you apply Differin. (Tareen says anything from CeraVe ...

Unsure of what to do, I washed my face with a gentle cleanser and applied the Differin Gel my dermatologist ... so be sure to use a gentle moisturizer after applying — and not one with BHAs ...