Methyl Hydroxyethylcellulose
AKA “methyl 2-hydroxyethyl cellulose, CID 133126848”
Synthetic
Ingredient Facts
Methyl hydroxyethylcellulose
AKA: Methyl 2-hydroxyethyl cellulose, CID 133126848
Synthetic · Light Stabilizer · EWG: 4
Plant-Derived Synthetic
Synthetic
Clean
Helps maintain the product's texture and consistency while protecting the formula from breaking down in light. Keeps your product stable and effective from first use to last.
Formula
C34H66O24
Mol. Weight
858.90
CAS #
9032-42-2
Form
Powder
See origin →
Functions
Light Stabilizer
Viscosity Controlling
Shields from UV damage
Traditional Use
A semi-synthetic polymer derived from cellulose, developed in the mid-20th century. Used as a thickener and film-former in cosmetics, replacing traditional plant-based gums.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Carboxymethyl Hydroxyethylcellulose
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methyl Hydroxyethylcellulose
European Commission
EU Cosmetic Ingredient Database (CosIng)
Carboxymethyl Hydroxyethylcellulose
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Methyl Hydroxyethylcellulose
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR