Calcium Aspartate
AKA “calcium l-aspartate, Aspartate calcium, 10389-09-0, 21059-46-1, Asparaginate calcium, Calcium aspartate anhydrous, Ca-1-d1-aspartate, Calcium L-aspartate [JAN], L-Aspartic acid calcium salt (1:1)
Skin Conditioning
Ingredient Facts
Calcium aspartate
AKA: Calcium l-aspartate, Aspartate calcium, 10389-09-0, 21059-46-1, Asparaginate calcium, Calcium aspartate anhydrous, Ca-1-d1-aspartate, Calcium L-aspartate [JAN], L-Aspartic acid calcium salt (1:1)
Skin Conditioning · Skin Conditioning · EWG: 4
Synthetic
Skin Conditioner
Not Clean
Calcium L-aspartate is an organic molecular entity.
Formula
C4H5CaNO4
Mol. Weight
171.16
CAS #
21059-46-1
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 mineral supplement form created in the 20th century for nutritional and cosmetic applications. No significant traditional use; developed for enhanced mineral bioavailability in contemporary 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