Ammonium Isostearate

INCI: AMMONIUM ISOSTEARATE

CAS Number
67785-79-1
Function
Cleansing; emulsifying; surfactant
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” CIR reviewed isostearic acid and salts; safe as used

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Mild irritation possible at high surfactant concentrations; generally very well-tolerated

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Concern Level: Low

Frequently Asked Questions

Is Ammonium Isostearate safe in cosmetics?

Mild irritation possible at high surfactant concentrations; generally very well-tolerated The EU classifies Ammonium Isostearate as "permitted". Safety rating: GOOD.

Is Ammonium Isostearate allowed in the EU?

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

What does Ammonium Isostearate do in cosmetics?

Ammonium Isostearate functions as: Cleansing; emulsifying; surfactant. It is classified as a cosmetic ingredient in our database. CAS number: 67785-79-1.

What is the Margin of Safety for Ammonium Isostearate?

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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