Erucamidopropyl Hydroxysultaine

AKA: Crosultaine E 30, 164118-71-2, ISOTAINE EAPHS, 1-Propanaminium, 2-hydroxy-N, Inner salt, 1-PROPANAMINIUM, 2-HYDROXY-N, INNER SALT, N-DIMETHYL-N-(3-(((13Z)-1-OXO-13-DOCOSEN-1-YL)AMINO)PROPYL)-3-SULFO-1-PROPANAMINIUM INNER SALT
Synthetic
Cleanser
Skin Conditioner
Hair Care
Not Clean
1-Propanaminium, 2-hydroxy-N,N-dimethyl-N-[3-[(1-oxo-13-docosenyl)amino]propyl]-3-sulfo-, hydroxide, inner salt
Formula
C30H60N2O5S
Mol. Weight
560.90
CAS #
164118-71-2
Form
Powder
State
Liquid, Other Solid
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
Viscosity Controlling
Locks in moisture
Traditional Use
A synthetic amphoteric surfactant developed in the late 20th century from erucic acid. Created as a mild cleansing agent for personal care products, designed to reduce irritation compared to earlier surfactants.
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