La Roche-Posay Effaclar Adapalene Gel 0.1%, Retinoid Acne Treatment (1.6 oz.) is a prescription-strength retinoid acne treatment. Contains adapalene gel, a dermatologist recommended retinol to regulate skin cell turnover to help clear skin and prevent blackheads, whiteheads, clogged pores, and acne blemishes while preventing new acne from forming. Take your health to the next level with guaranteed HSA eligible Skin & Personal Care products.