Our Clean Stamp shows what ingredients we don’t use in our products. The full list of ingredients we will not use is as follows: REN Clean Skincare products are free from synthetic fragrance, pore-blocking petrochemicals, sulphate detergents, silicones, synthetic colours, animal ingredients and parabens. In addition, REN Clean Skincare products do not contain potential irritants including: glycols and diglycols (such as propylene glycol), PEG's, PPGs, urea, D.E.A, T.E.A, PABA and other synthetic sunscreens, aliphatic alcohols/hydrocarbons, phthalates, fumarates, amines, alkanolamines, synthetic AHAs/BHAs, polyacrylamide, metacrylate, elastomer, poloxamer, styrene, vinyl, polyquaternium, synthetic chelating agents, nylon, nitriles, nitrates, nitrosamine releasers, bromates, fluor, aluminum and alumina.