Is it okay to put differin (adapalene) (acne medication) on the outer part of the vagina where the hair grows?

Retinoids . Retinoids such as differin (adapalene) are used to treat acne breakouts and pimples. Avoid application to any mucous membranes . Due to its side effect of skin irritation and exfoliation particularly if too much product is used too frequently, only a small amount is recommended . See a dermatologist for proper diagnosis and treatment of this skin condition.