Glycerin is a water-soluble liquid that forms when fats and oils react with alkali chemicals during the soapmaking process. It’s a common ingredient in commercial hair gels because it’s a humectant, which means that it attracts and retain...
Glycerin is a water-soluble liquid that forms when fats and oils react with alkali chemicals during the soapmaking process. It’s a common ingredient in commercial hair gels because it’s a humectant, which means that it attracts and retain...
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