ERYTHRULOSE is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

ERYTHRULOSE

Safety grade: A

Erythrulose is a natural sugar that reacts with proteins in the top layer of your skin to create a temporary brown color, similar to a self-tanning effect. Unlike some tanning ingredients, it develops more gradually and tends to give a more natural-looking result.

Erythrulose is used in self-tanning products to darken the skin by chemically reacting with amino acids on the skin's surface, creating a gradual and long-lasting tan without sun exposure.

Graded using: COSING, FDA.

Last verified: May 26, 2026