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 ...

The active ingredient in Rid is an insecticide called pyrethrum extract. Rid also contains an ingredient called piperonyl butoxide. This helps the pyrethrum extract work better because it prevents ...

Piperonyl butoxide 4%, pyrethrum extract (equivalent to 0.33% pyrethrins); shampoo + conditioner in one. <2yrs: consult physician. ≥2yrs: apply thoroughly to dry hair or other affected area.

that Dime Industries voluntarily recalled its “Mint OG” concentrate extract after a batch may have been contaminated with piperonyl butoxide. Dime does business as Nature's Wonder, which has ...