UNDECETH-3 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

UNDECETH-3

Safety grade: A

Undeceth-3 is a gentle synthetic ingredient made from natural oils that has been chemically modified. It helps blend oil and water together in cosmetic formulas while leaving skin feeling soft and moisturized.

This ingredient works as a multitasking helper in cosmetics by blending oil and water components, softening the skin, conditioning hair, and helping create smooth, stable products.

Graded using: COSING.

Last verified: May 26, 2026