What is PEG-6 Stearate used for in cosmetics?

PEG-6 Stearate is primarily used as an emulsifier, helping to mix oil and water ingredients in cosmetic products. This creates a stable and consistent product texture.

Is PEG-6 Stearate safe for sensitive skin?

While generally considered safe, some individuals with sensitive or compromised skin may experience irritation from PEG compounds. Patch testing is advisable if you have known sensitivities.

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PEG-6 Stearate

PEG-6 Stearate is a polyethylene glycol ester of stearic acid, functioning primarily as an emulsifier in cosmetic formulations. It helps to blend oil and water components, creating stable and uniform product textures. It can also act as a skin conditioning agent.

Emulsifier

BenefitMinimal 0.5 / 4

Barrier support i0.5 / 4

Whether it supports the skin barrier — restoring lipids, reducing water loss, aiding barrier repair, or strengthening the skin’s protective function.

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.

Systemic exposure i0.5 / 4

Whether it has meaningful potential to be absorbed into the body at levels that may matter biologically. Most cosmetic ingredients score low unless there is known concern or high exposure.

Sensitization i0.5 / 4

Risk of allergic contact dermatitis or immune-based reactions. Fragrance allergens, preservatives, botanicals, and some dyes may score here.

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

improves product texture
stabilizes emulsions

Things to watch

potential for skin irritation
may increase skin permeability

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Frequently asked questions

What is PEG-6 Stearate used for in cosmetics?: PEG-6 Stearate is primarily used as an emulsifier, helping to mix oil and water ingredients in cosmetic products. This creates a stable and consistent product texture.
Is PEG-6 Stearate safe for sensitive skin?: While generally considered safe, some individuals with sensitive or compromised skin may experience irritation from PEG compounds. Patch testing is advisable if you have known sensitivities.