Diethanolamine (DEA), with the formula HN(CH2CH2OH)2, is an organic compound that appears as a colorless, viscous liquid. DEA is a secondary amine and diol, making it water-soluble and a weak base. It is used as a surfactant and corrosion inhibitor, and plays a vital role in removing hydrogen sulfide and carbon dioxide from natural gas.
Hair conditioners
Diethanolamine is used in hair conditioners as a pH regulator and to help improve the texture and consistency of the product.
liquid laundry
Diethanolamine is utilized in liquid laundry detergents for its ability to act as a surfactant, helping to emulsify and solubilize oils and other ingredients that are not completely soluble in water.