What is PEG-8 Stearate?

PEG-8 Stearate is a synthetic ingredient used in cosmetics as an emulsifier to blend oil and water, and as a surfactant for cleansing properties.

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PEG-8 Stearate

PEG-8 Stearate is a synthetic compound derived from polyethylene glycol and stearic acid. It functions primarily as an emulsifier, helping oil and water-based ingredients mix together smoothly in cosmetic formulations. It can also act as a surfactant, aiding in cleansing and foaming.

Emulsifier, surfactant

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 skin irritation in sensitive individuals

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Frequently asked questions

What is PEG-8 Stearate?: PEG-8 Stearate is a synthetic ingredient used in cosmetics as an emulsifier to blend oil and water, and as a surfactant for cleansing properties.