Dextran Hydroxypropyltrimonium Chloride
AKA “Quaternized Dextran, Conditioning Polymer
Hair Conditioning
Ingredient Facts
Dextran hydroxypropyltrimonium chloride
AKA: Quaternized Dextran, Conditioning Polymer
Hair Conditioning · Hair Conditioning · EWG: 4
Synthetic
Skin Conditioner
Hair Care
Not Clean
Dextran, 2-hydroxy-3-(trimethylammonio)propyl ether, chloride
CAS #
83855-79-2
Form
Liquid
See origin →
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.
Anti-Inflammatory
Boosts Collagen
Antimicrobial
Softens and detangles hair
Traditional Use
A modern cationic polymer derived from dextran, developed in the late 20th century for hair conditioning and anti-static properties in shampoos and conditioners.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR