Ingredient · Updated

Sorbitan Isostearate

Neutral in 3

Found in 3 products

What is Sorbitan Isostearate?

Sorbitan Isostearate is an ester of isostearic acid and sorbitan, a derivative of sorbitol. It is commonly used in the cosmetic industry and is made through the chemical reaction between sorbitan and isostearic acid.

This ingredient acts as an emulsifier, helping to mix oil and water components in products like makeup. Although there is limited research on its direct health impacts, it is generally considered safe in cosmetics when used within regulated quantities.

When you see Sorbitan Isostearate on a label, it means the product has components that require stable mixing of water and oil elements to maintain texture and consistency.

Commonly found in: lipsticks, foundations, eye shadows, lotions, moisturizers

Benefits

  • Helps maintain the consistency and stability of cosmetic formulations.
FDA

Sorbitan Isostearate is permitted for use in cosmetics in the United States without specific restrictions.

Research

The existing research does not indicate significant health concerns when Sorbitan Isostearate is used as intended in cosmetic products.

Vegan

Sorbitan Isostearate can be animal-derived or plant-derived, so vegans should check the source.

Sources: Cosmetic Ingredient Review on Sorbitan Esters

Scout's take

Sorbitan Isostearate is used as an emulsifier to stabilize formulations. It helps to blend oil and water-based ingredients. It is generally considered safe for use in cosmetics.

The case against

There are minimal risks, though it may cause irritation in very sensitive skin.

from the analysis of Sol De Janeiro Bom Dia Bright Body Cream · echoed in 1 other analysis

There are minimal risks, primarily related to potential skin irritation in very sensitive individuals.

from the analysis of Sol De Janeiro Brazilian Bum Bum Cream

The case for

It helps to maintain the consistency and stability of the product.

from the analysis of Monika Blunder Beauty Liquid Flush Cheek Tint

All 3 products with Sorbitan Isostearate

Where Sorbitan Isostearate shows up

Scan any product to see every ingredient explained — and healthier swaps.