| Health / Medical Topics |
Surfactant Excipient
A surface active agent (surfactant), in dilute solution, moves to the interface of a two-phase system and reduces the surface free energy. This permits the two phases to mix more completely. Surface active agents are usually soluble both in aqueous and non-aqueous solvents. They are exemplified by soap-type molecules (long chain fatty acid salts) such as sodium lauryl sulfate. (NCI Thesaurus)
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