Sodium Lauroyl/Myristoyl Aspartate
AKA “Amino Acid Surfactant, Aspartate Derivative
Synthetic
Ingredient Facts
Sodium lauroyl/myristoyl aspartate
AKA: Amino Acid Surfactant, Aspartate Derivative
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Hair Care
Plant Oil
Synthetic
Clean
Sodium hydrogen C12-14-acylaminobutanedioate Science: Functions: Cleansing, Hair Conditioning, Surfactant - Cleansing Safety Ratings: CIR: Safe as used
CAS #
210545-23-6; 616-91-1; 1188-37-0; 2490-97-3; 35305-74-9
Form
Liquid
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.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Surfactant Cleansing
Anti-Inflammatory
Antimicrobial
Fights Acne
Removes dirt and impurities
Lifts away dirt and oil
Softens and detangles hair
Traditional Use
Synthesized in the late 20th century as a gentle surfactant combining multiple fatty acids with aspartate amino acids, designed to provide effective cleansing while maintaining the skin-conditioning benefits of amino acid-based products.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR