Potassium Aspartate
AKA “1115-63-5, monopotassium aspartate, Potassium aspartate anhydrous, L-Aspartic acid, monopotassium salt, E9VW2509NH, DTXSID70273966, RefChem:867712, DTXCID20196459, 214-226-4, L-Aspartic acid potassium salt
Skin Conditioning
Ingredient Facts
Potassium aspartate
AKA: 1115-63-5, Monopotassium aspartate, Potassium aspartate anhydrous, L-Aspartic acid, Monopotassium salt, E9VW2509NH, DTXSID70273966, RefChem:867712, DTXCID20196459, 214-226-4, L-Aspartic acid potassium salt
Skin Conditioning · Skin Conditioning · EWG: 1
Synthetic
Skin Conditioner
Amino Acid
Clean
Potassium hydrogen aspartate
Formula
C4H6KNO4
Mol. Weight
171.19
CAS #
1115-63-5
Form
Powder
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
Traditional Use
A modern amino acid salt with no traditional use. Developed as a humectant and skin-conditioning agent in contemporary cosmetic formulations.
Skin Types
all-skin-types
Best For
Dryness
Pregnancy & Breastfeeding Safe
Yes
EWG
1
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