Magnesium Citrate

INCI: MAGNESIUM CITRATE (DESCRIBED AS CITRIC ACID, MAGNESIUM SALT)

CAS Number
3344-18-1
Function
Hair conditioning, Skin conditioning
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; 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

Excellent safety profile; citric acid and magnesium are both endogenous and well-tolerated. No notable irritation or sensitization issues. Provides both magnesium ions (mineral benefit) and citrate (chelating/buffering properties); citrate also contributes mild pH-adjusting capacity

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Concern Level: Moderate

Regulatory Flags

potential-allergen jecfa_concern

Frequently Asked Questions

Is Magnesium Citrate safe in cosmetics?

Excellent safety profile; citric acid and magnesium are both endogenous and well-tolerated. No notable irritation or sensitization issues. Provides both magnesium ions (mineral benefit) and citrate (chelating/buffering properties); citrate also contributes mild pH-adjusting capacity The EU classifies Magnesium Citrate as "permitted". Safety rating: MODERATE.

Is Magnesium Citrate allowed in the EU?

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

What does Magnesium Citrate do in cosmetics?

Magnesium Citrate functions as: Hair conditioning, Skin conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 3344-18-1.

What is the Margin of Safety for Magnesium Citrate?

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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