Sunday Riley - U.F.O. Ultra-Clarifying Acne Treatment Face Oil, 5ml"With 1. 5 percent salicylic acid, this fast acting, quick drying, medicated oil clears acne and blackhead causing buildup and debris from congested pores for smoother, blemish free skin. Tea tree oil and black cumin seed oil support clear skin, while hexylresorcinol and licorice naturally brighten the appearance of old acne discolorations for a more even toned complexion. Counterbalancing the potentially drying effects of salicylic acid, milk