Sodium Lauroyl Aspartate

AKA: Aminofoamer FLDS-l, Aminofoamer FLMS-p1, Aminofoamer FLMS-p 1, Sodium N-lauroylaspartate, Sodium N-lauroyl-L-aspartate, Monosodium N-lauroyl-L-aspartate, N-Lauroyl-L-aspartic acid monosodium salt
Synthetic
Cleanser
Skin Conditioner
Hair Care
Clean
OriginDerived from coconut or palm kernel oil fatty acids and the amino acid aspartic acid. Synthesized through condensation reaction between lauroyl chloride and aspartate, then neutralized with sodium hydroxide.
Aspartic acid, N-(1-oxododecyl)-, monosodium salt
Formula
C16H28NNaO5
Mol. Weight
337.39
CAS #
41489-18-3
Form
Liquid
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
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.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.005–0.2%
Rinse-off2%
0%50%100%
CIR reported use · report published 2017
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR