Sodium Aspartate

Sodium Aspartate 1
molecular structure · PubChem
AKA: Monosodium aspartate, 3792-50-5, L-Aspartic aicd sodium, L-asparticacid, Xsodiumsalt
Synthetic
Humectant
Skin Conditioner
Hair Care
Not Clean
OriginDerived from aspartic acid, an amino acid from the synthetic or fermentation-based chemical family. Synthesized through fermentation of glucose with microorganisms or chemical synthesis, then neutralized with sodium hydroxide.
L-Aspartic acid, sodium salt
Formula
C4H6NNaO4
Mol. Weight
155.08
CAS #
17090-93-6, 3792-50-5
Form
Liquid
Skin Types
●all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
Functions
Buffering
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Locks In Moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2013
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR