BOOST YOUR SKIN FROM THE OUTSIDE IN, WITH OUR NEW HYDRATING AND COLLAGEN-ENHANCING SELF TAN SERUM. Joining our iconic skincare St.Tropez Luxe range, this supercharged, luxurious serum glides on with a silk, smooth finish building a GLOW from the inside out. Enriched science-backed skincare ingredients Niacinamide, Hyaluronic Acid, Vitamin B5, the serum also contains our NEW Collagen-Enhancing Complex; this no-rinse, ultra-lightweight serum will hydrate, firm, smooth, soothe, reduce redness & even skin tone while delivering a natural, streak-free, sunkissed glow that lasts for days with an even fade.