Alkanolamines is a non-ionic active agent with strong foaming and foam stabilizing effect, so alkanolamine is often used as foam accelerator and foam stabilizer, which has good washing power, solubilizing power and thickening effect. Alkanolamine can be use as foam accelerator and foam stabilizer. Alkanolamine includes N-methyl ethanolamine, N-methyl diethanolamine, and N,N-dimethyl ethanolamine.