PEG-40 stearate is a synthetic polymer composed of PEG (polyethylene glycol) and stearic acid, a naturally occurring fatty acid. It is used in skincare products as an emulsifier, thickener, and stabilizer. It is generally considered safe for use in cosmetics and personal care products, but there are some concerns about potential contamination with harmful impurities. PEG-40 stearate has a long history of safe cosmetic use and has passed safety assessments conducted by groups such as the Cosmetic Ingredient Review (CIR).
It can enhance the penetration of other key ingredients.
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PEG-40 stearate may contain potentially toxic manufacturing impurities such as 1,4-dioxane, which is a known carcinogen.
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PEG-40 stearate is a synthetic polymer composed of PEG (polyethylene glycol) and stearic acid, a naturally occurring fatty acid.
Safe
Restricted
PEG-40 stearate is restricted in EWG VERIFIED products due to the potential for contamination with harmful impurities. PEG-40 stearate is typically used as a cleansing agent in skincare products, but it can also be used as a thickener/texture enhancer or to help keep ingredients soluble.
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