✔ 最佳答案
SLS--sodium lauryl sulphate is an anionic surfactant which is commond used in hair shampoo & other cleaners . It is a foamer but it is more expensive than other commonly used surfactants , so it is not used in liquid detergent .
2009-10-24 11:20:18 補充:
Pls refere to my other answer about the ingradients of liquid deteregent . I donnot want repeat here .