Caesalpinia Spinosa Hydroxypropyltrimonium Chloride

AKA: Tara Hydroxypropyltrimonium Chloride, Caesalpinia Spinosa Derivative
Plant-Derived Synthetic
Skin Conditioner
Hair Care
Not Clean
Caesalpinia spinosa endosperm gum, 2-Hydroxy-3-(N,N,N-trimethylammonio)propyl 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.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
Derived from tara gum through chemical modification with quaternary ammonium compounds in the 20th century. Created as a conditioning agent combining the natural thickening properties of tara with enhanced hair and skin benefits.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: CosIng · EWG · CIR