"TEA" is the acronym for triethanolamine, a quaternary ammonium compound. Triethanolamine reacts easily with fatty acids to form triethanolamine soaps and is used as a basic component in soaps and other cosmetic products. " Sorbates are salts/esters of sorbic acid.
TEA-sorbate is a substance used in cosmetic formulations where it acts as a preservative (substance used in cosmetic products as a preservative; inhibits the growth of microorganisms) and antimicrobial substance (helps to inhibit the growth of microorganisms on the skin).