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

HYDROXYBUTYL METHYLCELLULOSE

Safety grade: A

This is a plant-based thickening ingredient derived from cellulose, a natural fiber found in plants. It helps cosmetic products achieve the right texture while keeping all the ingredients mixed together smoothly.

This ingredient thickens products, stabilizes emulsions to prevent separation, creates a protective film on skin or hair, and helps maintain consistent product texture and performance.

Graded using: COSING.

Last verified: May 26, 2026