How does a self-tanner work?

Self-tanning is the art of tanning without sun! Yes, without exposure, and throughout the year, it is possible to achieve a beautiful glow on the skin. This "artificial" tan results from a chemical reaction caused by the active ingredient Dihydroxyacetone (DHA). Through the oxidation of the superficial cells of the epidermis, a coloration of the skin appears and gradually disappears over a few days. Completely safe, self-tanners can be used as often as you like! Note: Self-tanners do not have filtering properties; they do not protect against the sun's rays. It is essential to use a product with a sun protection factor when exposed. Also read: Sun protection, what are the rules? Tanning accelerators, do they exist? Monoi, when and how?