Cocotrimonium Methosulfate

AKA: Coco trimonium methosulfate, Coconut trimonium methosulfate
Synthetic
Skin Conditioner
Hair Care
Not Clean
OriginDerived from coconut oil fatty acids, this ingredient belongs to the quaternary ammonium compound chemical family. Synthesized through ammoniation and methosulfate quaternization of coconut-derived alkyl chains.
Quaternary ammonium compounds, coco alkyltrimethyl, Me sulfates
CAS #
68002-60-8
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Coconut)
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-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
3
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
4 studies / 4 not irritating (CIR 572)
Not a Sensitizer
3 studies / 3 not sensitizing (CIR 572)
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR