Acidum Boricum is a feeble deterrent of germ growth. It is advantageously employed as a collyrium and in douches.
Aqua Hydrogenii Dioxidi is a useful disinfectant on surfaces and in freely flush-able cavities. It acts through disengagement of free oxygen.
Oleum Eucalypti is a mild inhibitor of germ growth. Its use as a spray is thought to lessen scarlatina complications.
Cupri Sulp as, 1-1 million, is used to destroy algae in the reservoirs of drinking water.
Argenti Nitras (0.5% sol.) is a valuable antiseptic and gonorrheal prophylactic when used (once only) as a collyrium in new-born infants. It acts by coagulating albumin.
Balsamum Peruvianum is an efficient germicide in pediculosis pubis; and a mild antiseptic and stimulant in sluggish granulations.
Liquor Formaldehydi is a powerful germicide and disinfectant, acting, presumably, by uniting with the amino group in the proteins of the microbes.
Hexamethylenamina is a urinary antiseptic, acting through the formaldehyde liberated.
Phenol is germicide and disinfectant, being a poison to all protoplasm.