Auto-Radiant Tinted Serum Hydra-BronzingNatural Tan Activator & ExtenderLumi-Smoothing Correction Youth Multi-Protection. Already a cult product in its new tube, this bronzer with a serum texture boosts its performance and effectiveness. After the first application, the face lights up with amber radiance and. Soleil Terrybly deeply stimulates melanin for a true progressive and lasting tan without chemical self-tanning molecules. The Soft-Focus agents Spectro Light eradicates dullness and reveals the most luminous golden glow. For a progressive and long-lasting tan: Biotanning® activates the synthesis of melanin.