Octacosatrimonium Chloride

Octacosatrimonium Chloride molecular structure
molecular structure · PubChem
AKA: Conditioning agent, Quaternary ammonium compound
Synthetic
Skin Conditioner
Hair Care
Not Clean
OriginDerived from long-chain fatty alcohols or alkanes, belonging to the quaternary ammonium compound family. Synthesized through quaternization of octacosane or octacosyl alcohol with trimethylamine and hydrochloric acid.
Trimethyloctacosylammonium chloride
CAS #
1119-94-4; 112-00-5
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Reduces Static
Conditions Hair
Reduces flyaways
Softens and detangles hair
The paper trail
🔬Peer-reviewed1 paper →
⚖️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
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2012
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR