Advanced-strength A+ High-Dose Retinoid Serum delivers a 6.5% solution of stabilized retinoid blends and botanical, retinol-alternative extracts into the skin.Combining 5% retinoid ester blend, 1% liposomal-encapsulated retinol blend, and 0.5% blue-green algae with natural, retinoid-alternative activity, this serum fights the signs of aging and improves the look of congested and UV damaged skin.Encapsulated CoQ10 helps to improve the appearance of aging or damaged skin, while rare, Hawaiian white honey, bisabolol, cactus extract, and ginger balance and soothe the skin for the appearance of a calmer, even-toned complexion.- Retinol Ester: Helps reduce the appearance of wrinkles and the lines and encourages the signs of clearer skin without the drawbacks of retinol. - CoQ10: May improve the appearance of aging or UV-exposed skin, for a healthier-looking, balanced complexion. - Hawaiian White Honey: Pro-skin humectant, rich in phytonutirients. Cruelty-Free, Sulfate-Free, Paraben-Free, Glu