Surfactant yog ib hom tshuaj sib xyaw. Nws tuaj yeem txo qhov nro ntawm ob lub kua, nruab nrab ntawm cov roj thiab cov kua, lossis nruab nrab ntawm cov kua thiab cov khoom. Yog li, nws tus cwj pwm ua rau nws muaj txiaj ntsig zoo li detergents, wetting agents, emulsifiers, foaming agents, thiab dispersants.

Surfactants feem ntau yog cov organic amphiphilic molecules nrog hydrophilic thiab hydrophobic pawg, feem ntau yog amphiphilic organic compounds, muaj cov hydrophobic pawg ("tails") thiab hydrophilic pawg ("heads"). Yog li ntawd, lawv yog soluble nyob rau hauv organic solvents thiab dej.

Classification ntawm Surfactant
(1) Anionic surfactant
(2) Cationic surfactant
(3) Zwitterionic surfactant
(4) Nonionic surfactant