L-Erythrulose is widely used in the cosmetic industry as a key ingredient in self-tanning products. It reacts with amino acids in the skin's surface to produce a natural-looking tan without exposure to harmful UV rays. The compound is favored for its ability to provide a gradual, streak-free tan, making it suitable for various skin types. Additionally, L-Erythrulose is often combined with dihydroxyacetone (DHA) in formulations to enhance the longevity and depth of the tan. Its mild and non-irritating properties make it a popular choice for sensitive skin. Beyond cosmetics, it is also explored in medical applications for skin treatment and as a potential agent in wound healing due to its biochemical properties.