The Florida Entomologist, Vol. 68, No. 2 (Jun., 1985), pp. 316-320 (5 pages) Nine synthetic pyrethroids were evaluated in the laboratory for synergistic activity with piperonly butoxide (1:8) when ...
Overview: Pyrethrins/piperonyl butoxide is applied to the skin to treat tiny insects called lice. The most common side effects are red, itchy, or irritated skin. Before using this medicine, tell your ...