Sodium Aspartate
AKA “Monosodium aspartate, 3792-50-5, SV5R735TZQ, DTXSID9020904, RefChem:887278, DTXCID10904, 223-264-0, L-Aspartic aicd sodium, L-asparticacid, xsodiumsalt
Humectant
Ingredient Facts
Sodium aspartate
AKA: Monosodium aspartate, 3792-50-5, SV5R735TZQ, DTXSID9020904, RefChem:887278, DTXCID10904, 223-264-0, L-Aspartic aicd sodium, L-asparticacid, Xsodiumsalt
Humectant · Humectant · EWG: 4
Synthetic
Humectant
Skin Conditioner
Hair Care
Amino Acid
Not Clean
L-Aspartic acid, sodium salt
Formula
C4H6NNaO4
Mol. Weight
155.08
CAS #
17090-93-6, 3792-50-5
Form
Liquid
See origin →
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
Traditional Use
An amino acid salt with no significant traditional use; developed as a modern moisturizing and skin-conditioning ingredient in cosmetic formulations.
Skin Types
all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not Phototoxic
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR