Cetyl/Lauryl/Myristyl Hydroxysultaine
AKA “Fatty Hydroxysultaine
Synthetic
Ingredient Facts
Cetyl/lauryl/myristyl hydroxysultaine
AKA: Fatty Hydroxysultaine
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Hair Care
Plant Oil
Synthetic
Clean
A gentle cleanser and conditioner that helps soften and detangle hair while maintaining moisture balance.
CAS #
72869-77-3
See origin →
Functions
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.
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.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR