Pyrethrins are a class of organic compounds normally derived from Chrysanthemum cinerariifolium that have potent insecticidal activity by targeting the nervous systems of insects.
- An insecticide for household use.
- People apply pyrethrum directly to the skin as an insecticide, particularly for head lice, crab lice and their nits, and mites (scabies).
- Pyrethrum is POSSIBLY SAFE when used on the skin in amounts less than 2 grams. While pyrethrum has limited toxicity at low doses, it can cause some side effects such as headache, ringing of the ears, nausea, tingling of fingers and toes, breathing problems, and other nervous system problems.
- Not known.
- Chrysanthemum cinerariifolium, Dalmation Insect Flowers, Dalmation Pellitory, Pelitre, Piretro, Pyrèthre, Pyrèthre de Dalmatie, Pyrethrum cinerariifolium, Tanacetum cinerariifolium.
Source: Wikipedia, https://en.wikipedia.org/wiki/Pyrethrin