Also known as: TEA, Trolamine
Triethanolamine (TEA) is used as a pH adjuster and emulsifier in cosmetic formulations. It neutralises acidic ingredients and activates carbomer gels. There are concerns about the formation of nitrosamines when combined with certain other ingredients, which has led some formulators to prefer sodium hydroxide or aminomethyl propanol as alternatives.
Comedogenicity ratings are based on the rabbit ear assay model. Individual skin responses vary. See our article on comedogenicity ratings for context.
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