Use: Apply before bed in conjunction with your night-time moisturizer. May be used in combination with other Arendis and Bliss Wellness facial products. Warning: Exposure to sun may cause irritation. Ingredient List: Distilled Water (Aqua), Isosonyl Isononanoate, Retinyl Palmitate, Sodium Hyaluronate, Hydrolyzed Hyaluronic Acid, Tocopherol Acetate, Camellia Sinensis Culture Extract, Polysorbate 20, Xanthan Gum, 1,2-Hexanediol, Ethylhexylglycerin, Phenoxyethanol, Magnesium Aspartate, Zinc Gluconate, Copper Gluconate.30-Day MANUFACTURER GUARANTEE - If for any reason you decide that this serum is not a good fit for your skin, you have a ? FULL MONTH ? to contact us for a 100% money-back refund, absolutely no questions asked (in fact, you don't even have to return the bottle). MADE IN USA – TresViva Professional Face Serums are proudly formulated and bottled right here in the USA and are NEVER TESTED ON ANIMALS - Cruelty Free. Formulated with the highest quality ingredients, this clinical strength Retinol serum is beautifully gentle and the perfect solution for even the most sensitive skin types. Our unique lightweight anti-aging face serum has been specifically developed to layer well under other skin care products and your cosmetics. RETINOL ABSOLUTELY WORKS! Vitamin A (Retinol) has an excellent reputation as one of the most effective active ingredients to improve fine lines, wrinkles, skin tone, skin texture, color, pigmentation, as well as your skin's hydration.