Tanologist is glowing extra dark with zero dyes. Meet the world's first express, dye-free, Self Tan Drops guaranteed to give your deepest, cleanest, most customizable glow suitable for use on face & body. Mix 2-12 drops with your desired skincare in the palm of your hand. More drops = deeper tan. Apply like your regular skincare. Reapply as needed for a deeper glow. Wash hands after application.