Surfactant ndi mtundu wa mankhwala. Imatha kuchepetsa kusamvana kwapakati pazamadzimadzi ziwiri, pakati pa mpweya ndi madzi, kapena pakati pa madzi ndi cholimba. Chifukwa chake, mawonekedwe ake amapangitsa kuti ikhale yothandiza ngati zotsukira, zonyowetsa, emulsifiers, thovu, ndi dispersants.

Ma Surfactants nthawi zambiri amakhala ma organic amphiphilic mamolekyulu okhala ndi magulu a hydrophilic ndi hydrophobic, nthawi zambiri amphiphilic organic compounds, okhala ndi magulu a hydrophobic ("mchira") ndi magulu a hydrophilic ("mitu"). Choncho, iwo sungunuka mu organic solvents ndi madzi.

Gulu la Surfactant
(1) Anionic surfactant
(2) Wogwiritsa ntchito mawu
(3) Zwitterionic surfactant
(4) Wopanda ma nonionic