Excellent Cosmetic Ingredient GHS Classified

Magnesium Carbonate

INCI: MAGNESIUM CARBONATE

CAS Number
546-93-0
Function
Absorbent, Bulking Agent, Mattifying, Opacifying, pH Adjuster, Anti-Caking, Abrasive
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes GRAS as direct food additive. Approved as inactive ingredient in oral drug products. 317 VCRP formulations as of 2016.

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

GHS Hazard Classification

Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.

Hazard Statements
No hazard classification according to GHS criteria
Long-term Exposure Effects
Lungs may be affected by repeated or prolongated exposure to dust particles.
Routes of Exposure
The substance can be absorbed into the body by inhalation.

Expert Verdict

One of the cleanest inorganic ingredients. CIR concluded safe as of 2016. GRAS with unlimited ADI. No Annex restrictions. COSMOS/ECOCERT eligible.

โš ๏ธ
Concern Level: None

Regulatory Flags

epa_safer_alternative eu_cosing_listed jecfa_safe

Frequently Asked Questions

Is Magnesium Carbonate safe in cosmetics?

One of the cleanest inorganic ingredients. CIR concluded safe as of 2016. GRAS with unlimited ADI. No Annex restrictions. COSMOS/ECOCERT eligible. The EU classifies Magnesium Carbonate as "permitted". Safety rating: EXCELLENT.

Is Magnesium Carbonate allowed in the EU?

Magnesium Carbonate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Magnesium Carbonate do in cosmetics?

Magnesium Carbonate functions as: Absorbent, Bulking Agent, Mattifying, Opacifying, pH Adjuster, Anti-Caking, Abrasive. It is classified as a cosmetic ingredient in our database. CAS number: 546-93-0.

What is the Margin of Safety for Magnesium Carbonate?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

๐Ÿ“ฑ

Is Magnesium Carbonate in Your Products?

Scan any product label with Piro โ€” our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.

Try Piro Free โ†’

Analyze Your Full Ingredient List

Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Magnesium Carbonate in your formulation.