Sunday Riley A+ High Dose Retinoid Serum

NWOB | Full Value Size - 1.7 oz Twist seal air tight cap + Airless vaccum pump. An advanced-strength 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. FOR NEW RETINOID USERS: Use two days on, two days off. Work your way up to every other day, then to daily, evening use. Follow with a moisturizer. FOR ADVANCED RETINOID USERS: Use daily, in the evenings. Follow with a moisturizer. Sulfate-Free, Paraben-Free, Gluten-Free, Soy-Free, Phthalate-Free, Fragrance-Free, Vegetarian. Glass bottle - Ships with care.