Advanced Night Serum. Light super-fast absorbing vitamin A serum that rejuvenates skin at its most optimal time – at night. Retinol has been shown in several clinical trials to combat common skin-ageing concerns such as facial wrinkles, lines, folds & a loss of firmness by stimulating collagen & hyaluronic acid production. Retinol has also been proven to improve skin clarity & texture, promote anti-pigmentation plus demonstrate anti-acne & pore-minimising effects, all leading to a more youthful skin appearance. Retinol 3 TR is an optimised serum containing 0.3% encapsulated all-trans retinol in its purest & most active over-the counter form. Retinol 3 TR is designed to conveniently apply directly to the face without mixing. Paraben & fragrance free.