Dipotassium Aspartate

AKA: 2001-89-0, L-Aspartic acid, Dipotassium salt, Aspartic acid, Aspartic Acid, Dipotassium Salt, L-ASPARTIC ACID, POTASSIUM SALT (1:2), Potassium L-aspartate
Synthetic
Skin Conditioner
Hair Care
Clean
OriginSynthesized from aspartic acid, a non-essential amino acid derived from maleic acid or fermentation sources. Produced through potassium salt formation via neutralization of aspartic acid with potassium hydroxide or potassium carbonate.
L-Aspartic acid, potassium salt
Formula
C4H5K2NO4
Mol. Weight
209.28
CAS #
14007-45-5
Form
Powder
Skin Types
●all-skin-types
Best For
Dehydration
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
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
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
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