murphyMagnesium Ascorbate
AKA: 15431-40-0, Ascorbic acid, Magnesium salt, Vitamin C magnesium salt, L(+)-Ascorbic acid magnesium salt, Magnesium di L Ascorbate
Synthetic
Antioxidant
Skin Conditioner
Clean
OriginSynthesized from ascorbic acid (vitamin C) and magnesium salts through chemical combination and stabilization processes. Produced by reacting ascorbic acid with magnesium compounds to create a more stable, water-soluble derivative.
Magnesium di-L-ascorbate
Formula
C12H14MgO12
Mol. Weight
374.54
CAS #
15431-40-0
Form
Powder
Skin Types
●all-skin-types
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-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed3 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
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)
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2025
Regulatory Agencies
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR