the aim of this work was to evaluate the effectiveness of concentrate extract containing saccharum officinarum l. poaceae, azadirachta indica a. juss. meliaceae, and eucaliptus spp myrtaceae against pediculus capitis de geer pediculidae. a thousand and thirty five head lice were collected from children with pediculus capitis infestation from some day care centers at metropolitan region of recife, pernambuco state, brazil. the tests were performed in three groups with three hundred forty five lice each one according to product, concentrate extract (ce), pyrethroid insecticide (pi) and control (c). the immersing head lice in the diluted products for three minutes, washing off products and dry the insects were used. the mortality of lice was monitored at different points in time, for a period of twenty four hours. concentrate extract killed all head lice after twelve hours and an average of 60.28% (208/345) of lice mortality of the ce occurred between three and six hours, while the mortality of pi was observed 24 h after treatment. the results showed the extract containing saccharum officinarum, azadirachta indica, and eucaliptus spp could be a potent tool in the control of pediculus capitis.