UNDECETH-11 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

UNDECETH-11

Safety grade: A

This is a synthetic cleaning and conditioning agent made from coconut oil-derived fatty alcohols. It works to gently cleanse skin while keeping it soft and helping oil and water mix together in products.

Undeceth-11 is used in cosmetics to cleanse and condition the skin, soften formulas, and help blend oily and watery ingredients together into a smooth, stable product.

Graded using: COSING.

Last verified: May 26, 2026