Abametapir is a novel pediculicidal metalloproteinase inhibitor used to treat infestations of head lice.[L15153] The life cycle of head lice (_Pediculus capitis_) is approximately 30 days, seven to twelve of which are spent as eggs laid on hair shafts near th…

Piperonyl butoxide (PBO) is an organic compound used as a component of pesticide formulations. It is used for the treatment of head, pubic (crab), and body lice. Piperonyl butoxide is a synergist. It has no pesticidal activity of its own, but acts to increase…

Pyrethrum is the crude extract form obtained from flowers of the plant Chrysanthemum cinerariifolium. Pyrethrin refers to a more refined extract of pyrethrum. While pyrethrum extract is composed of 6 esters, both organic compounds mediate insecticidal activit…