Extraordinary skin starts here. Formulated with 1.5% Salicylic Acid, Sunday Riley U.F.O. Ultra-Clarifying Face Oil is a fast-acting, quick-drying, medicated oil that clears acne and blackhead-causing buildup from congested pores for smooth, blemish-free skin. Tea Tree Oil and Black Cumin Seed Oil support skin clarity, while Hexylresorcinol and Licorice naturally brighten the appearance of scarring and discoloration for a more even-toned complexion..Milk Thistle and Cucumber Seed Oil nourish the skin and smooth the appearance of lines and wrinkles.Chamomile and Neroli soothe stressed, blemish-prone skin.Cruelty-free, vegan, vegetarian, and free of sulfates, parabens, phthalates, fragrance, gluten, and soy.0.5 fl oz.Apply a few drops to clean skin.For skin prone to purging, start with 2-3 times per week.Layer on top of Martian Mattifying Melting Water-Gel toner, then follow with Tidal Enzyme Water Cream to brighten and fight discoloration