Aminacrine has long been known to be a potent frameshift mutagen in viruses and bacteria. It is one in a general class of aminoacridine dyes that bind to DNA and possess mutagenic activity. Aminacrine is used clinically as a topical antiseptic. A part from therapeutic use, aminacrine is also introduced as a matrix for negative mode matrix-assisted laser desorption/ionization (MALDI).

Hexylresorcinol is an organic compound with local anaesthetic, antiseptic and anthelmintic properties. It is available for use topically on small skin infections, or as an ingredient in throat lozenges. Hexylresorcinol may be used as a cosmetic biocide. Hexylresorcinol was introduced by Leonard as a urinary antiseptic with great possibilities. Used in alkaline solution it promised success in experiments in vitro. Boots Hexylresorcinol 2.4mg Throat Lozenges, marketed in UK, are used to relieve sore throat pain. Hexylresorcinol has being shown to be useful for the topical treatment of hyperpigmentation.