Product Details This is a Beyond Beauty product which means it has been sourced tried and tested and finally declared one of the most new and innovative heroes out there. Sunday Rileys A+ High-Dose Retinoid Serum is an advanced-strength retinoid serum that 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. How To Use Apply 1-2 pumps in the evening to clean dry skin. For targeted instructions see below: FOR NEW RETINOID USERS: Use two days on two days off. Work your way u