La Roche-Posay's Effaclar Adapalene Gel 0.1% Topical Retinoid Acne Treatment is a prescription-strength retinoid acne treatment. This oil-free, fragrance-free acne treatment contains adapalene gel, a dermatologist recommended retinoid. Retinoids are recommended by dermatologists to help clear and prevent blackheads, whiteheads, clogged pores, and acne blemishes. This non-greasy, gel-like texture is quickly absorbed into skin. Dermatologist developed and tested.