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, UNII-328G13N8ZR, N-Lauroyl-L-aspartic acid monosodium salt
Synthetic
Ingredient Facts
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, UNII-328G13N8ZR, N-Lauroyl-L-aspartic acid monosodium salt
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Skin Conditioner
Hair Care
Amino Acid
Plant Oil
Synthetic
Clean
A gentle plant-based cleanser that removes dirt and oil while conditioning hair. Works to keep strands soft and manageable without harsh chemicals.
Effective at 10.0%
Formula
C16H28NNaO5
Mol. Weight
337.39
CAS #
41489-18-3
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
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.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
0.005%
20.0%
0%28%
Effective Range
CIR reported use: 0.2-20 | 0.005-2
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR