What is you're full ingrident list for the skin rx 5% benzoyl peroxide lotion? Benzoyl Peroxide 5% Ingredients - Benzoyl Peroxide 5%, Deionized Water, Propylene Glycol, Glycerine, Carbomer, PEG 8, Dimethicone. Benzoyl Peroxide 10% Benzoyl Peroxide 5% Category_The Esthetician Tweet