Texture Enhancer, Ph Adjusters


Identified on skincare product labels as DEA, triethanolamine (TEA), and monoethanolamine (MEA), these are used primarily for their foaming ability in shampoos, but can also be used as thickening or binding agents. They can be skin sensitizers. In addition, alkyloamides contain a free amine that can combine with formaldehyde-releasing preservatives in cosmetics, and there is concern that they may form harmful substances.