Capryl Sultaine

AKA: 15163-36-7, Zwittergent 310, Zwittergent-3-10, 1-Decanaminium, Inner salt, Sulfobetaine 10, 3-(Decyldimethylammonio)propane-1-sulfonate, N-Decyl-N, N-dimethyl-3-ammonio-1-propanesulfonate, 3-[decyl(dimethyl)azaniumyl]propane-1-sulfonate
Synthetic
Cleanser
Not Clean
OriginDerived from coconut oil fatty acids, it belongs to the sultaine surfactant chemical family. Synthesized through sulfonation and subsequent neutralization of coconut-derived fatty amines.
1-Decanaminium, N,N-dimethyl-N-(3-sulfopropyl)-, inner salt
Formula
C15H33NO3S
Mol. Weight
307.50
CAS #
15163-36-7
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Cleansing Surfactant
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Skin Irritant
2 studies / 2 not irritating (CIR 750)
Concentration Guide
Leave-on0.25%
Rinse-off0.25%
0%50%100%
CIR reported use · 2017 survey
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR