Good Emollient

Isostearyl Alcohol

INCI: ISOSTEARYL ALCOHOL

CAS Number
27458-93-1
Function
Emollient, Skin Conditioning
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not restricted

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

CIR concluded safe as used (1988, reaffirmed 2005). Vehicle-dependent sensitization observed in ethanol sprays but no sensitization at 25% in standard emulsions.

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Concern Level: Low

Regulatory Flags

ifra_fragrance

Frequently Asked Questions

Is Isostearyl Alcohol safe in cosmetics?

CIR concluded safe as used (1988, reaffirmed 2005). Vehicle-dependent sensitization observed in ethanol sprays but no sensitization at 25% in standard emulsions. The EU classifies Isostearyl Alcohol as "permitted". Safety rating: GOOD.

Is Isostearyl Alcohol allowed in the EU?

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

What does Isostearyl Alcohol do in cosmetics?

Isostearyl Alcohol functions as: Emollient, Skin Conditioning. It is classified as a Emollient in our database. CAS number: 27458-93-1.

What is the Margin of Safety for Isostearyl Alcohol?

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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