Cassia Hydroxypropyltrimonium Chloride

Cassia Hydroxypropyltrimonium Chloride molecular structure
molecular structure · PubChem
AKA: Cassia Polymer, Hydroxypropyltrimonium Chloride Cassia
Plant-Derived Synthetic
Skin Conditioner
Hair Care
Not Clean
Cassia endosperm polysaccharide gum, 2-hydroxy-3-trimethylammoniopropyl chloride derivatives
CAS #
-
Form
Liquid
Functions
Antistatic
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Moisturizing
Boosts Collagen
Improves Elasticity
Reduces flyaways
Softens and detangles hair
Traditional Use
A modern synthetic derivative of cassia gum developed in the late 20th century for cosmetic use. Created as a conditioning and thickening agent that improves upon natural cassia gum's performance in personal care formulations.
EWG
3
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
ewg-3
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR