Magnesium Carbonate
molecular structure · PubChem
AKA: 546-93-0, Magnesite, Magnesium carbonate anhydrous, Kimboshi, Magmaster, Apolda, Carbonic acid, Magnesium salt (1:1), Destab, Magfy
Synthetic
Colorant
Clean
Magnesium carbonate (CI 77713)
Solubility 0.01 % (NIOSH, 2024)
Formula
CMgO3
Mol. Weight
84.31
CAS #
546-93-0, 7757-69-9
Form
Powder
State
Magnesite appears as white, yellowish, grayish-white or brown crystalline solid or crystalline powder. Density: 3-3.1 g cm-3. An important ore for magnesium. Used in the manufacture of materials capab
Functions
Absorbent
Binding
Bulking
Colorant
Gives the product its color. Purely aesthetic — makes the formula look good in the jar but does nothing for your skin.
Opacifying
Moisturizing
Brightening
Fights Acne
Traditional Use
Used historically as a powder base and absorbent in traditional cosmetics and toiletries; mined and refined for modern skincare products where it functions as a brightening and oil-absorbing agent.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR