Frontline Spot-on Dog 2-10kg Treatment and prevention of flea and tick infestations Elimination of biting lice Spot-on skin solution 6 pipettes of 0.67 ml Pipette for fleas, ticks and lice. Frontline Spot-On: Lasts 8 weeks against fleas (4 weeks in case of heavy infestation). Lasts 4 weeks against ticks. It is recommended to avoid bathing or shampooing for 2 days after applying the pipette. Do not treat puppies less than 8 weeks old or weighing less than 2 kg. Do not treat rabbits.