| Obagi CLENZIderm M.D. Serum Gel turns to liquid serum on contact. Delivers liquified benzoyl peroxide deep within your pores where acne starts. Quickly clears acne and prevents new breakouts from occurring. Active Ingredients Benzoyl Peroxide 5% Inactive Ingredients: Benzyl Benzoate, BHT, Cyclomethicone, Dimethyl Isosorbide, Ethylhexyl Isononanoate, Ethyoxydiglycol, Silica. 1.7 oz Obagi |