The ingredient, explained

Sorbitan Isostearate

Sorbitan Isostearate has published research relevant to cosmetic safety assessment.

Emulsifying

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Ingredient guide

What it is and what it does

Sorbitan, isooctadecanoate

About this ingredient: EU CosIng ingredient registry (via Open Beauty Facts taxonomy) ↗

Emulsifying: Helps liquids that do not normally mix form a mixture.

Function definitions: European Commission ingredient function definitions (SCCNFP/0299/00, pages 16 to 20) ↗

Registry functions describe possible formulation roles, not results for a finished product. A dictionary entry is not an approval or a safety assessment.

A closer look

What the research shows

Safety assessment

The assessment reviews earlier and additional toxicological evidence for 20 listed sorbitan esters and evaluates the cosmetic uses and concentrations described.

What this does not tell us

The grouped assessment includes read-across and formulation-specific irritation data; it does not establish individual skin efficacy or unrestricted safety.

Sources for this summary. PubMed 31522651 ↗

Research review checked Oct 1, 2026

Selective exact-identity review of 0 supplied local candidates and the targeted primary-source search recorded below. Bounded review, not a systematic search.

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