Oleth-20
Oleth-20 is a synthetic polymer derived from oleyl alcohol and ethylene oxide. It functions primarily as an emulsifier and surfactant in cosmetic formulations. It helps to mix oil and water-based ingredients and can also aid in cleansing.
Ethoxylated fatty alcohol
RiskLow 1.2 / 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.
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.
Things to watch
- potential for irritation in sensitive individuals
- may contain trace amounts of 1,4-dioxane
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Products with Oleth-20
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Frequently asked questions
- What is Oleth-20 used for in cosmetics?
- Oleth-20 is primarily used as an emulsifier to help blend oil and water ingredients, and as a surfactant to aid in cleansing and foaming.
- Is Oleth-20 safe for sensitive skin?
- While generally considered safe, some individuals with very sensitive skin might experience mild irritation, so patch testing is advisable.
