Dextran Hydroxypropyltrimonium Chloride
AKA “Quaternized Dextran, Conditioning Polymer
Synthetic
Ingredient Facts
Dextran hydroxypropyltrimonium chloride
AKA: Quaternized Dextran, Conditioning Polymer
Synthetic · Humectant · EWG: 4
Synthetic
Humectant
Skin Conditioner
Hair Care
Synthetic
Clean
A natural conditioning agent derived from sugar that helps detangle and soften hair, leaving it smoother and more manageable.
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.
Skin 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.
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
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