It is a colorless, oily liquid that is denser than water and smells faintly like ammonia due to the presence of nitrogen in the core. Triethyl Amine (TEA) is a popular ingredient in cosmetics as a pH adjuster, emulsion stabilizer, and surfactant. This component can be found in cosmetics, moisturizers, gels, face creams, washes, and skincare products. There is a continuous debate regarding whether or not TEA is harmful to the skin. The panel decided that TEA and TEA-related compounds are safe when designed to be skin-friendly. Triethanolamine to be safe for usage in skin and hair care treatments Many people are concerned about triethanolamine's toxicity and effectiveness as a skincare component. These worries originate from the premise that triethanolamine is produced by a response of ammonia with N-nitrosating substances, which produces nitrosamines, which were previously regarded to be carcinogenic. However, because N-nitrosating chemicals are closely controlled in mois