OriginCalcium ascorbate is synthesized from ascorbic acid (vitamin C) and calcium carbonate or calcium hydroxide as starting materials. The two compounds are combined through a neutralization reaction to create the stable, salt form of vitamin C.
L-ascorbic acid, calcium salt (2:1)
Solubility INSOL IN ETHER
Formula
C12H14CaO12
Mol. Weight
390.31
CAS #
5743-27-1
Form
Powder
State
White to slightly pale greyish-yellow odourless crystalline powder
Skin Types
●all-skin-types, gentle
Best For
Dullness
Pregnancy & Breastfeeding Safe
Yes
Functions
Antioxidant
Fights free radicals — the unstable molecules from UV, pollution, and stress that break down collagen and cause premature aging.
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
Neutralizes free radicals
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
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer (CIR Panel on the ingredient group)
CIR Panel statement covering this group of ingredients / not tested individually (CIR 278)
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