Magnesium Ascorbate/PCA

INCI: MAGNESIUM ASCORBATE/PCA

CAS Number
Not publicly assigned (complex salt/combination ingredient)
Function
Antioxidant
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - no prohibition or restriction; combination of two well-known cosmetic ingredient classes

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

No specific safety concerns documented. Both ascorbate and PCA (pyrrolidone carboxylic acid) components are well-characterized and considered safe individually. Limited standalone safety data for the combined salt form. A magnesium salt combining ascorbic acid (vitamin C) with pyrrolidone carboxylic acid (PCA, a natural moisturizing factor component); designed to deliver antioxidant protection alongside hydration support; PCA is a key component of the skin's natural NMF (natural moisturizing ...

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Concern Level: Moderate

Frequently Asked Questions

Is Magnesium Ascorbate/PCA safe in cosmetics?

No specific safety concerns documented. Both ascorbate and PCA (pyrrolidone carboxylic acid) components are well-characterized and considered safe individually. Limited standalone safety data for the combined salt form. A magnesium salt combining ascorbic acid (vitamin C) with pyrrolidone carboxylic acid (PCA, a natural moisturizing factor component); designed to deliver antioxidant protection alongside hydration support; PCA is a key component of the skin's natural NMF (natural moisturizing ... The EU classifies Magnesium Ascorbate/PCA as "permitted". Safety rating: MODERATE.

Is Magnesium Ascorbate/PCA allowed in the EU?

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

What does Magnesium Ascorbate/PCA do in cosmetics?

Magnesium Ascorbate/PCA functions as: Antioxidant. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (complex salt/combination ingredient).

What is the Margin of Safety for Magnesium Ascorbate/PCA?

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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