Skin Doctors Potent Vit. C and Potent Vit. A Collagen Boosting Day & Night Ampoules Duo Pack Perfect your skincare day to night rituals with this NEW Potent Vit. C Day and Potent Vit. A Collagen Boosting Duo Pack! Each pack contains 50x pure, concentrated Potent Vit. C Day Ampoules and 50x Potent Vit. A Night Ampoules. You can now protect your skin from premature ageing, wrinkles and damage from environmental factors throughout the day with Skin Doctors Potent Vit. C ampoules and truly defy time by eliminating ageing wrinkles and fine lines every night with Skin Doctors Potent Vit. Aampoules. Both Ampoules instantly activate collagen production while smoothing, softening & conditioning skin. Each ampoule allows for a single-dose serum amount to be applied and has been designed to protect the serum from being affected by environmental factors such as air and light. Potent Vit. C: Miraculously light, and deeply nourishing, each collagen boosting day ampoule contains an antioxidant-rich, potent form of pure Vitamin Cat 10% concentration. Working under the skin at a cellular level, Potent Vit. C signals the skin to speed up collagen synthesis and provides deep antioxidant protection and hydration, to help skin look dramatically tighter, firmer, and radiant. Potent Vit. A: Miraculously light with a creamy texture that delivers powerful results, each collagen boosting night ampoule contains.15% pure retinol treatment. Our patented Microsponge® slow-release technology helps minimise irritation as the retinol is gently transported into the skin targeting and improving the toughest of skin concerns. Each ampoule works on a profound cellular level, penetrating deep to help repair damaged skin cells, stimulate new cell growth and increase cell turnover, dramatically helping to hydrate and maintain collagen and elastin for firmer, smoother looking skin.