Hydroxyethyl Ethylcellulose
AKA “HEC ethylcellulose, Ethylcellulose hydroxyethyl derivative
Synthetic
Ingredient Facts
Hydroxyethyl ethylcellulose
AKA: HEC ethylcellulose, Ethylcellulose hydroxyethyl derivative
Synthetic · Emulsion Stabilising · EWG: 4
Plant-Derived Synthetic
Cleanser
Occlusive
Emulsifier
Synthetic
Clean
A natural plant-derived thickener that helps create a smooth, lightweight texture while keeping all ingredients evenly blended together.
CAS #
9004-58-4
Form
Powder
See origin →
Functions
Binding
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Viscosity Controlling
Surfactant Emulsifying
Moisturizing
Locks in moisture to keep skin soft and supple throughout the day
Wound Healing
Improves Elasticity
Traditional Use
A synthetic cellulose derivative developed in the 20th century as a thickener and film-former in cosmetics. No traditional use; engineered to provide viscosity control and texture in modern skincare and personal care products.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR