Cetyl/Lauryl/Myristyl Hydroxysultaine

AKA: Fatty Hydroxysultaine

Synthetic

Skin Conditioner

Hair Care

Plant Oil

Not Clean

Betaines, C10-16-alkyl(2-hydroxy-3-sulfopropyl)dimethyl

CAS #

72869-77-3

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.

Conditions Hair

Softens and detangles hair

Traditional Use

A modern synthetic amphoteric surfactant developed for cosmetics in the late 20th century. Created to provide gentle cleansing and conditioning properties in personal care products.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

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: CosIng · EWG · CIR