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PEG-40 Sorbitan Stearate is a synthetic, a fatty acid ester. Esters reduce surface tension between liquids and are used as emulsifiers and surfactants. PEG-40 Sorbitan StearateCosmetic Ingredients Series GHS Classification PEG-40 Sorbitan Stearate is a synthetic compound, a fatty acid ester with many variations. Esters help to reduce surface tension between liquids and so are frequently used as emulsifiers and surfactants . You'll find them in Nivea moisturising creams for example. TOXICITYThe LD50 is the Lethal Dose in 50% of the population. It is used as the basis for calculating how safe a chemical is for subsequent use in products such as food, cosmetics, colourants and medicines. It is normally calibrated using animal testing. LD50 ANIMALNot published. HUMAN TOXICITYNot published.
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