Surfactant waa nooc ka mid ah iskudhisyada. Waxay hoos u dhigi kartaa xiisadda dusha sare ee u dhaxaysa laba dareere, inta u dhaxaysa gaaska iyo dareeraha, ama inta u dhaxaysa dareeraha iyo adkaha. Sidaa darteed, dabeecadeeda ayaa ka dhigaysa mid faa'iido leh sida saabuunta, wakiilada qoynta, emulsifiers, wakiilada xumbo, iyo kala firdhiyaashooda.

Surfactants guud ahaan waa molecules amphiphilic organic leh kooxo hydrophilic iyo hydrophobic, sida caadiga ah xeryahooda organic amphiphilic, oo ay ku jiraan kooxaha hydrophobic ("dabo") iyo kooxaha hydrophilic ("madax"). Sidaa darteed, waxay ku milmeen dareeraha organic iyo biyaha.

Kala soocida Surfactant
(1) Anionic surfactant
(2) Surfactant Cationic
(3) Surfactant Zwitterionic
(4) Nonionic surfactant