Steareth-10 is a synthetic ingredient derived from stearyl alcohol. It is commonly used in cosmetics as an emulsifier and surfactant.

What does Steareth-10 do in skincare products?

Its main role is to help oil and water ingredients blend together smoothly and remain stable in a product, preventing separation and ensuring a consistent texture.

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Steareth-10

Steareth-10 is a synthetic polymer formed by the ethoxylation of stearyl alcohol. It functions primarily as an emulsifier and surfactant in cosmetic products. This means it helps to mix oil and water-based ingredients, creating stable and well-blended formulations.

NoneEmulsifierEvidence: Medium

BenefitNone 0 / 4

RiskLow 1 / 4

Irritation i1 / 4

Risk of short-term irritation — stinging, burning, dryness, redness, or discomfort. Common for strong actives, acids, retinoids, fragrances, and harsh surfactants.

Rated by SpottyLabs' ingredient methodology, independent of brands.

Things to watch

Potential for mild skin irritation in sensitive individuals

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Products with Steareth-10

Neutrogena

Collagen Bank Moisturizer

4.3/ 54/11/2

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Frequently asked questions

What is Steareth-10?: Steareth-10 is a synthetic ingredient derived from stearyl alcohol. It is commonly used in cosmetics as an emulsifier and surfactant.
What does Steareth-10 do in skincare products?: Its main role is to help oil and water ingredients blend together smoothly and remain stable in a product, preventing separation and ensuring a consistent texture.