C11-21 ALKETH-10 (FORMERLY C11-21 PARETH-10) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

C11-21 ALKETH-10 (FORMERLY C11-21 PARETH-10)

Safety grade: A

A gentle cleaning agent made from plant-derived oils mixed with a synthetic ingredient, this substance helps cosmetics mix better and removes dirt and oil from skin. It's commonly used in cleansers, shampoos, and makeup removers to create a smooth texture and improve how well the product spreads.

Graded using: COSING.

Last verified: June 9, 2026