Steareth-20 is a synthetic polymer used in skincare products as an emulsifier and stabilizer. It is derived from stearyl alcohol and polyethylene glycol (PEG). While it is generally considered safe for use in cosmetics, concerns have been raised about the potential presence of toxic impurities, such as 1,4-dioxane, during its manufacturing process. It may also cause skin, eye, or lung irritation.
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All skin types except those that have an identified allergy to it.
Steareth-20 may cause skin, eye, or lung irritation. It may also contain potentially toxic manufacturing impurities such as 1,4-dioxane.
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Synthetic (Polyethylene glycol (PEG) and stearyl alcohol)
Safe for use in cosmetics with some qualifications
Restricted
Steareth-20 is a non-ionic emulsifier suitable for skincare creams and lotions, deodorants, and antiperspirants. It provides stable emulsions over a wide pH range and can be used in combination with consistency-providing substances to form viscosity-enhancing gel structures. Steareth-20 is also used as a cleansing agent and surfactant to improve the texture and feel of skincare products. The Steareth ingredients are a series of polyoxyethylene stearyl ethers. In cosmetics and personal care products, the Steareths function mainly as surfactant– emulsifying agents. They may also be used as wetting agents, solubilizers and nonionic surfactants.
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