Magnesium Carbonate Hydroxide

INCI: MAGNESIUM CARBONATE HYDROXIDE

CAS Number
12125-28-9
Function
Buffering agent, Viscosity controlling, Bulking agent, Opacifying
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed. Also has GRAS status for food use by FDA; not restricted in cosmetics

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Generally recognized as safe; inert inorganic compound with minimal irritation potential. Inhalation of fine powder should be avoided in manufacturing settings. Acts as a pH buffer and binder in powder-containing preparations; reduces bulk density; also known as hydromagnesite. CosIng REF No. 35087

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Concern Level: Moderate

Frequently Asked Questions

Is Magnesium Carbonate Hydroxide safe in cosmetics?

Generally recognized as safe; inert inorganic compound with minimal irritation potential. Inhalation of fine powder should be avoided in manufacturing settings. Acts as a pH buffer and binder in powder-containing preparations; reduces bulk density; also known as hydromagnesite. CosIng REF No. 35087 The EU classifies Magnesium Carbonate Hydroxide as "permitted". Safety rating: MODERATE.

Is Magnesium Carbonate Hydroxide allowed in the EU?

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

What does Magnesium Carbonate Hydroxide do in cosmetics?

Magnesium Carbonate Hydroxide functions as: Buffering agent, Viscosity controlling, Bulking agent, Opacifying. It is classified as a cosmetic ingredient in our database. CAS number: 12125-28-9.

What is the Margin of Safety for Magnesium Carbonate Hydroxide?

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.

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