C11-13 ALKETH-9 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

C11-13 ALKETH-9

Safety grade: A

This ingredient is a gentle cleanser and thickener derived from plant oils that helps cosmetics mix better and feel smoother on skin. It's commonly used in shampoos, body washes, and moisturizers to improve how products spread and feel when applied.

Graded using: COSING.

Last verified: June 9, 2026