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Question: Polysorbate 20 vs. polysorbate 80

December 13, 2020May 31, 2010 by Susan Barclay-Nichols

Anonymous posted this question in this post: What’s the difference between polysorbate 80 & 20? Polysorbates are ethoxylates of fatty acids esterified with anhydrosorbitol. Polysorbate 20 is a polyoxyethylene derivative of sorbitan monolaurate whereas polysorbate 80 is a polyoxyethylene derivative of sorbitan and oleic acid. And as much as I love chemistry, I realize this really…

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