Sodium Lauroyl Aspartate
molecular structure · PubChem
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
Amino Acid
Plant Oil
Clean
Aspartic acid, N-(1-oxododecyl)-, monosodium salt
Effective at 10.0%
Formula
C16H28NNaO5
Mol. Weight
337.39
CAS #
41489-18-3
Form
Liquid
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
A modern synthetic ingredient combining lauric acid with the amino acid aspartate, developed in the late 20th century. Created as a mild cleansing and conditioning agent with no traditional historical use.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.005%
20.0%
0%28%
Reported use
CIR reported use: 0.2-20 | 0.005-2
Regulatory Agencies
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