Isostearyl Acetate

INCI: ISOSTEARYL ACETATE

CAS Number
129588-23-8
Function
Emollient, skin conditioning agent
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not restricted under 21 CFR

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Well-characterized alkyl ester with negligible absorption and no sensitization concerns. Safe for cosmetic use when formulated to be non-irritating.

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Concern Level: Low

Frequently Asked Questions

Is Isostearyl Acetate safe in cosmetics?

Well-characterized alkyl ester with negligible absorption and no sensitization concerns. Safe for cosmetic use when formulated to be non-irritating. The EU classifies Isostearyl Acetate as "permitted". Safety rating: GOOD.

Is Isostearyl Acetate allowed in the EU?

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

What does Isostearyl Acetate do in cosmetics?

Isostearyl Acetate functions as: Emollient, skin conditioning agent. It is classified as a cosmetic ingredient in our database. CAS number: 129588-23-8.

What is the Margin of Safety for Isostearyl Acetate?

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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