Beaphar Fiprotec Spot-On Solution for Small Dogs kills fleas and ticks on small dogs - continuing to kill fleas for up to five weeks and ticks for up to four weeks. It is important to establish a regular flea control routine for dogs and the household. Dogs who spend a lot of time outside are especially at risk from fleas and ticks. Suitable for dogs over 12 weeks of age and weighing between 2-10kg.