Spray tan or self-tanners (DHA) really aren’t cosmetics. The active component reaches the higher layers of your skin, causing the epidermis’s surface layers to oxidize. It’s comparable to what happens when you chop an apple and it turns brown. DHA, the active element, is found naturally in sugar cane and has been allowed for use on the skin since the 1950s. It is a well-tolerated and safe product. Self-tanning is widely recommended by most doctors as a simple alternative to the sun’s damaging radiation.