Cetyl Hydroxyethylcellulose* ●
TL;DR. This ingredient is a nonionic polymeric thickener and rheology modifier for water-based formulas. It also helps stabilize emulsions and suspensions, improve slip, and add light film-forming texture.
What does Cetyl Hydroxyethylcellulose* do in a cosmetic formula?
This ingredient is a nonionic polymeric thickener and rheology modifier for water-based formulas. It also helps stabilize emulsions and suspensions, improve slip, and add light film-forming texture.
Is Cetyl Hydroxyethylcellulose* clean?
From a clean-beauty perspective, it is generally well tolerated and not a common sensitizer. The main scrutiny is processing-related, since its manufacture can involve etherification chemistry that requires good controls for residual reagents and trace impurities.
Is Cetyl Hydroxyethylcellulose* sustainable?
This material is based on a renewable plant polysaccharide backbone, with added fatty-chain modification that can come from palm, coconut, or petrochemical sources depending on the supplier. It is expected to be more biodegradable than fully synthetic persistent polymers, although substitution can slow breakdown compared with the unmodified natural polymer.
Is Cetyl Hydroxyethylcellulose* COSMOS-approved?
It is not a simple COSMOS-organic fit, and COSMOS-natural eligibility depends on supplier documentation, feedstock origin, and whether the modification route meets the standard’s allowed chemistry. Green Chemistry alignment is mixed, with renewable content and low use levels on the positive side, but chemical derivatization and possible nonrenewable inputs as caveats.
How does Cetyl Hydroxyethylcellulose* work chemically?
The molecule is a modified, water-swellable polysaccharide ether with hydrophilic side groups and sparse C16 hydrophobic anchors, which lets polymer chains associate and build viscosity. It is typically used at low levels, often around 0.1 to 1%, and performs best when well dispersed before hydration to prevent clumping.
Last updated 2026-05-13