Oleamidopropyl Hydroxysultaine

AKA: 93941-94-7, (Z)-2-Hydroxy-3-sulphonatopropyldimethyl(3-((1-oxo-9-octadecenyl)amino)propyl)ammonium, (Z)-2-hydroxy-3-sulphonatopropyldimethyl[3-[(1-oxo-9-octadecenyl)amino]propyl]ammonium, OLEAMIDOPROPYL HYDROXYSULTAINE [INCI]
Synthetic
Cleanser
Skin Conditioner
Hair Care
Not Clean
(Z)-2-Hydroxy-3-sulphonatopropyldimethyl[3-[(1-oxo-9-octadecenyl)amino]propyl]ammonium
Formula
C26H52N2O5S
Mol. Weight
504.80
CAS #
93941-94-7
Form
Liquid
Functions
Antistatic
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin 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
Locks in moisture
Traditional Use
A modern synthetic amphoteric surfactant derived from oleic acid, developed for gentle cleansing formulations with improved stability and mildness compared to historical soap-based products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR