Prolong your bronzed glow with the Pre Sun Tan Activator by Ultrasun, a gel formulated to prep the skin before sun exposure. n Powered by antioxidant-rich thalitan, the activator seeks to elongate your natural tan while offering protection against UV radiation. The nourishing formula absorbs quickly into the skin, its lightweight formula boasting a non-greasy feel. n Fragrance-free. n Vegan.