Science's two anti-aging top performers teaming up for more youthful-looking skin. We've combined Rovisome, a more effective and less abrasive form of retinol, with our efficacious Stay C (a stable form of vitamin C) proven to promote cellular turnover and create new cell growth. Kat's proprietary, nutrient-dense KB5™ Complex, rich in antioxidants, is added to defend against environmental damage. Our best retinol serum leaves skin layers free to emerge with fewer visible signs of fine lines and wrinkles. Benefits Stimulates cell turnover, helps to remove the appearance of lines, spots and wrinkles. Use Cases. Use PM on clean skin, follow with a moisturizer if needed How to use Apply 2-3 pumps on palm of hand, rub hands together and apply to face in upward motion Key Ingredients KB5™ Complex. 2.5% Rovisome (Retinol) Botanical Hyaluronic Acid 8% STAY-C (Vitamin C) 6 Cold Pressed Oils Pair It With Goji Essence Lift & Fill Form Control ™ Bio-Correcting Creme Eye Crème Complex