Hydroxycetyl Isostearate

INCI: HYDROXYCETYL ISOSTEARATE

CAS Number
Not uniquely assigned in public databases (cetyl alcohol + isostearic acid ester)
Function
Emollient, skin conditioning (fatty ester)
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no CFR restriction

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Low concern profile. Fatty ester class generally has robust safety history. Supplier tox summary should be obtained for CPSR file

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Concern Level: Low

Frequently Asked Questions

Is Hydroxycetyl Isostearate safe in cosmetics?

Low concern profile. Fatty ester class generally has robust safety history. Supplier tox summary should be obtained for CPSR file The EU classifies Hydroxycetyl Isostearate as "permitted". Safety rating: GOOD.

Is Hydroxycetyl Isostearate allowed in the EU?

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

What does Hydroxycetyl Isostearate do in cosmetics?

Hydroxycetyl Isostearate functions as: Emollient, skin conditioning (fatty ester). It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned in public databases (cetyl alcohol + isostearic acid ester).

What is the Margin of Safety for Hydroxycetyl Isostearate?

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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