Surfactant jẹ iru awọn agbo ogun. O le dinku ẹdọfu oju ti laarin awọn olomi meji, laarin gaasi ati omi kan, tabi laarin omi ati ohun to lagbara. Nitorinaa, ihuwasi rẹ jẹ ki o wulo bi awọn ifọṣọ, awọn aṣoju tutu, awọn emulsifiers, awọn aṣoju foaming, ati awọn kaakiri.

Surfactants jẹ gbogbo awọn ohun elo amphiphilic Organic pẹlu hydrophilic ati awọn ẹgbẹ hydrophobic, nigbagbogbo awọn agbo ogun Organic amphiphilic, ti o ni awọn ẹgbẹ hydrophobic (“iru”) ati awọn ẹgbẹ hydrophilic (“awọn ori”). Nitorinaa, wọn jẹ tiotuka ni awọn olomi Organic ati omi.

Isọri ti Surfactant
(1) Anionic surfactant
(2) Cationic surfactant
(3) Zwitterionic surfactant
(4) Nonionic surfactant