surfactant

/sərˈfæktənt/
noun
  1. A substance that reduces the surface tension of a liquid, allowing it to spread or mix more easily, often used in soaps, detergents, and cleaning products.
    • The lab tested a new surfactant for use in industrial cleaners.
    • Most dish soaps contain a surfactant that helps break down grease.
    • Surfactants are added to shampoo to help remove oil from hair.
Synonyms