Ascorbyl Stearate

INCI: ASCORBYL STEARATE

CAS Number
25395-66-8 (also 10605-09-1 for L-form)
Function
Antioxidant
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR-reviewed: Safe as used โ€” assessed as part of the ascorbic acid/ascorbyl esters group

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Well-established safety profile with no significant concerns in cosmetic use.

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Concern Level: None

Frequently Asked Questions

Is Ascorbyl Stearate safe in cosmetics?

Well-established safety profile with no significant concerns in cosmetic use. The EU classifies Ascorbyl Stearate as "permitted". Safety rating: EXCELLENT.

Is Ascorbyl Stearate allowed in the EU?

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

What does Ascorbyl Stearate do in cosmetics?

Ascorbyl Stearate functions as: Antioxidant. It is classified as a cosmetic ingredient in our database. CAS number: 25395-66-8 (also 10605-09-1 for L-form).

What is the Margin of Safety for Ascorbyl Stearate?

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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