The ingredient, explained

Isohexadecane

A published expert safety assessment covers the exact ingredient in the specified exposure context.

Ingredient guide

What it is and what it does

Isohexadecane is a mixture of branched hydrocarbons, mainly with 16 carbon atoms. Its formulation roles include dissolving other ingredients and softening the skin surface.

About this ingredient: CIR published assessment: Isoparaffin identities and formulation functions ↗

A verified formulation role is not on file for this name.

A closer look

What the research shows

Safety assessment

Panel concluded listed isoparaffins safe in described cosmetic uses and concentrations.

What this does not tell us

Group safety assessment, not isolated efficacy; much toxicology uses oral or inhaled exposure and group read-across. Closed exposure may differ from normal cosmetic use.

Sources for this summary. PubMed 23283704 ↗

Research review checked Oct 1, 2026

Bounded review of local candidates, exact-name indexed primary journal/PubMed safety and topical searches; not a systematic review.

Ingredient research is not proof that a product containing this ingredient works.