A Stable Emulsion of Next-Generation Forms of Retinoid Directions Apply a few drops to face in the PM as part of your skincare regimen. Do not use with other retinoid treatments. Use sun protection in the AM. Solubilized Hydroxypinacolone Retinoate: an advanced retinoid that delivers better anti-aging results with less irritation than other non-prescription retinoids Retinol: pure retinol in a protective capsule system for sustained delivery over time Apply Advanced Retinoid 2% to clean, dry skin before any other products at night. Allow a few minutes for it to absorb. Do not use this serum with other products containing retinoids, such as retinol and retinoic acid. Retinoids can make your skin more sensitive to UV radiation. We recommend wearing sunscreen during the day. Aqua (Water), Glycerin, Ethyl Linoleate, Propanediol, Caprylic/Capric Triglyceride, Cetearyl Isononanoate, Bisabolol, Hydroxypinacolone Retinoate, Retinol, Tasmannia Lanceolata Fruit/Leaf Extract, Dimethyl Isosorbide, Inulin Lauryl Carbamate, Glyceryl Stearate, Ceteareth-12, Ceteareth-20, Cetearyl Alcohol, Carrageenan, Xanthan Gum, Acacia Senegal Gum, Cetyl Palmitate, Sucrose Laurate, Polysorbate 20, Behentrimonium Chloride, Potassium Citrate, Trisodium Ethylenediamine Disuccinate, Disodium EDTA, Dehydroacetic Acid, Benzoic Acid, Ethylhexylglycerin, Phenoxyethanol, Chlorphenesin.