Potassium Cocoyl Sarcosinate

AKA: Coconut sarcosinate, Mild surfactant
Synthetic
Cleanser
Skin Conditioner
Hair Care
Not Clean
OriginDerived from coconut oil fatty acids and the amino acid sarcosine, then combined with potassium. Synthesized through the condensation reaction of cocoyl chloride with potassium sarcosinate salt.
Potassium Cocoyl Sarcosinate is the potassium salt of Cocoyl Sarcosine
CAS #
-
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Coconut)
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.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Conditions Hair
Cleansing Surfactant
Lifts away dirt and oil
Softens and detangles hair
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed0 reviews
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 2021
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR