Ingredient

Sorbitan Oleate

A non-ionic emulsifier made by joining sorbitan (a sugar-derived molecule from sorbitol) with oleic acid, a fatty acid.

Key facts

INCI name: Sorbitan Oleate
Evidence grade: limited evidence
In our catalog: Found in 37 of the 1,914 products we've decoded
Pore-clogging: 3/5 (a contested measure — take it lightly)
Fungal acne: Reported trigger
Reviewed: July 2, 2026

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Good to know

Fungal-acne triggercaution

Can feed Malassezia yeast — a trigger for fungal acne (pityrosporum folliculitis) in people prone to it.

What it does

limited evidence

It is mainly oil-loving (low HLB, around 4.3), so on its own it favours water-in-oil emulsions, and it is very often paired with a water-loving partner such as a polysorbate (Polysorbate 80 / Tween 80) to build stable oil-in-water creams. It also works as a wetting and dispersing agent that helps spread insoluble particles like pigments and mineral UV filters (zinc oxide, titanium dioxide) evenly.

Benefits

Oil-loving emulsifier that helps oil and water mix and stay mixed
Pairs with polysorbates to fine-tune emulsion stability
Good wetting/dispersing agent for pigments and mineral sunscreen actives
Plant/sugar-derived and biodegradable

Side effects

Very low irritancy (rated 0) and generally well tolerated
Rated moderately comedogenic, so very breakout-prone skin may want to monitor rich formulas built on it
A formulation helper rather than an active with skin-treatment effects