Xanthan Hydroxypropyltrimonium Chloride

Xanthan Hydroxypropyltrimonium Chloride molecular structure
molecular structure · PubChem
AKA: Cationic Xanthan Gum, Hair Conditioning Polymer
Synthetic
Humectant
Skin Conditioner
Hair Care
Not Clean
OriginDerived from xanthan gum, a polysaccharide produced through bacterial fermentation of sugars. Synthesized by reacting xanthan gum with 2,3-epoxypropyltrimethylammonium chloride to form a quaternary ammonium salt.
Xanthan Hydroxypropyltrimonium Chloride is the quaternary ammonium salt formed by the reaction of Xanthan Gum with 2,3-epoxypropyltrimethylammonium chloride.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 611)
Not a Sensitizer (CIR report on the ingredient group)
CIR report statement covering this group of ingredients / not tested individually (CIR 611)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2016
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR