detergent

Molecules with both hydrophobic & ionic, thus hydrophilic properties. Usually salts of long-chain aliphatic acids or bases, i.e. quaternary ammonium or sulfonic acids. The surface action of detergents facilitates formation of micelles, thus their cleansing properties & ability to dissolve hydrophobic molecules in water.

References

Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999