murphySodium Cocoamphopropionate
molecular structure · PubChem
AKA: Coconut Amphoteric, Coconut Amino Acid Amphoteric
Synthetic
Cleanser
Skin Conditioner
Hair Care
Clean
OriginDerived from coconut oil through saponification and chemical modification processes. Synthesized by amidation of coconut fatty acids with aminopropyl sulfonate compounds.
beta-Alanine, N-(2-aminoethyl)-N-(2-hydroxyethyl)-, N-coco acyl derivatives, monosodium salts
CAS #
93820-52-1
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Coconut)
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foaming
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.
Foam Boosting
Surfactant Cleansing
Anti-Inflammatory
Antimicrobial
Fights Acne
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
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
2 studies / 2 not sensitizing / plus 4 case reports (CIR 886)
Not Phototoxic
Human test found no phototoxicity in the CIR safety assessment (CIR 886)
Mixed Eye Irritation Results
1 study / 1 mixed / reactions minimal (CIR 131)
Mixed Skin Irritation Results
4 studies / 1 irritating / 3 not irritating / reactions slight / plus 1 case report (CIR 131 and 886)
Concentration Guide
Leave-on0.1%
Rinse-off4%
0%50%100%
CIR reported use · 2025 survey
Regulatory Agencies
Verified Jun 2026
Data: CosIng · EWG · CIR