Potassium Ascorbate

INCI: POTASSIUM ASCORBATE

CAS Number
15421-15-5
Function
Antioxidant, skin conditioning, pH adjuster
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR Expert Panel concluded ascorbic acid and its salts are safe for cosmetic use

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Potassium ascorbate is permitted for cosmetic use with adequate margin of safety; however, formulators should verify antioxidant efficacy as pro-oxidant activity is possible in presence of transition metal ions (Fe2+, Cu2+).

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Concern Level: Low

Regulatory Flags

jecfa_safe

Frequently Asked Questions

Is Potassium Ascorbate safe in cosmetics?

Potassium ascorbate is permitted for cosmetic use with adequate margin of safety; however, formulators should verify antioxidant efficacy as pro-oxidant activity is possible in presence of transition metal ions (Fe2+, Cu2+). The EU classifies Potassium Ascorbate as "permitted". Safety rating: GOOD.

Is Potassium Ascorbate allowed in the EU?

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

What does Potassium Ascorbate do in cosmetics?

Potassium Ascorbate functions as: Antioxidant, skin conditioning, pH adjuster. It is classified as a cosmetic ingredient in our database. CAS number: 15421-15-5.

What is the Margin of Safety for Potassium Ascorbate?

adequate 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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