Magnesium Benzoate

INCI: MAGNESIUM BENZOATE

CAS Number
553-70-8
Function
Preservative
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
EU Max Conc. 0.5%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed. Benzoic acid and its salts are permitted preservatives 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

CIR (2017) concluded it is safe as used in current practices and concentrations; benzoic acid salts are effective against bacteria, yeasts, and moulds. Synthetic origin; part of the benzoic acid family of preservatives. Benzoic acid itself occurs naturally in benzoin resin from styrax trees

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Concern Level: Moderate

Regulatory Flags

preservative

Frequently Asked Questions

Is Magnesium Benzoate safe in cosmetics?

CIR (2017) concluded it is safe as used in current practices and concentrations; benzoic acid salts are effective against bacteria, yeasts, and moulds. Synthetic origin; part of the benzoic acid family of preservatives. Benzoic acid itself occurs naturally in benzoin resin from styrax trees The EU classifies Magnesium Benzoate as "permitted". Safety rating: MODERATE.

Is Magnesium Benzoate allowed in the EU?

Magnesium Benzoate EU regulatory status: permitted. Maximum allowed concentration: 0.5%. This is based on EU Regulation 1223/2009 and its amendments.

What does Magnesium Benzoate do in cosmetics?

Magnesium Benzoate functions as: Preservative. It is classified as a cosmetic ingredient in our database. CAS number: 553-70-8.

What is the Margin of Safety for Magnesium Benzoate?

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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