Cosmetic Science discussion forum. For people who want for formulate cosmetics and get advice from other formulators around the world.
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@Pharma you are so on it there. Kudos to you. Best humectant known to mankind: a swim. Now, @tinas you are no doubt experiencing what happens when you try to use glycerin in a detergent cleansing formula such as body wash? Am I right? Here’s the answer: NOTHING. Glycerin wants to be an effluent in that situation, not a humectant. Use a polyglyceryl ester or the Old School PEG-7 glyceryl cocoate or even polyquaternium-7 or 10.