It was denoted that the toxicity of amphoteric surfactants is same as that of nonionic surfactants, which is lower than that of ionic surfactants and even lower than the toxicity of ethanol.

• 指出两性表面活性剂的毒性与非离子表面活性剂一样比离子型表面活性剂的低，甚至比乙醇的还要低。