Up to 40% of drugs for the treatment of head lice are ineffective.
About 40% of the funds used for the treatment of head lice ineffective - such data leads the Director of Disinfectology Nikolay Shestopalov. To such conclusions researchers came to the study of resistance of lice to pediculicides conducted over the last 9 years. This primarily relates to preparations based on permethrin are synthetic pyretroids. Yet effective stay funds on the basis of benzyl, pediculicide containing organophosphorus insecticides (Malathion and fenthion), Dimethicone and some vegetable oils, in particular anise and clove.