What is a fake tan made of?

Fake tan products typically contain dihydroxyacetone (DHA), a colorless sugar that reacts with the amino acids in the skin's surface to produce a temporary brown color. Other common ingredients include moisturizers, bronzers, and sometimes additional colorants to enhance the appearance of tan. These products come in various formulations, including lotions, sprays, and mousses, and often include ingredients to hydrate the skin and improve application.