SUNLESS TAN: Our self-tanning drops offer a hassle-free way to achieve a natural-looking tan without exposure to the sun's harmful UV rays; a healthier alternative to sunbeds or sunbathing to achieve that golden glow, our drops also protect against damaging HEV light, EASY TO USE: These self-tanning drops transform your moisturizer, serum or oil into a custom self-tanner & work with your existing skincare routine without any extra steps; for a deeper color, use more drops, LONG LASTING RESULTS: : Dihydroxyacetone (DHA), a naturally derived tanning agent, colors the skin's surface layer, providing water-resistant color that lasts while fading gently as dead skin cells shed; the tan lasts for 2-3 days, STREAK FREE & SCENT FREEE: These drops are fragrance-free & suitable for use morning or night; they help you achieve uniform, shiny & natural bronzed skin without streaking & staining, INTELLIGENT TANNING: The fractionated melanin in the drops' formula protects skin from the harmful effects of HEV Light emitted by sunlight & electronic devices such as LEDs