surfactant
Any substance that changes the characteristics of a surface, such as lowering the surface tension of water.
The term "surfactant" was found in the following pages:
Journals database: Colloids and Surfaces Part A: Physiochemical and Engineering Aspects
Iodine Speciation Analysis in Drinking Water Using Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry | EVISA's News
Characterization and Speciation of Gold and Silver Nanoparticles by MEKC-ICP-MS | EVISA's News