Power Night Duo clinically proven to reduce wrinkles -50%, boost collagen, decrease pigmentation -24%. This beauty sleep kit with our powerful smoothing Retinol Night Serum and best selling Four Acid peel Serum. 2.5% Lecithin encapsulated Retinol boosts collagen, refines pores and corrects pigmentation. A high performing fusion of AHA?s Glycolic, Lactic, Tartaric and Citric Acids improve skins texture, gently exfoliates and brightness with transformative results. Suitable for Vegans. Clinical test result after 28 days of once a day application.