FRONTLINE® Spot On for Dogs - L (20-40kg) is a simple way to get rid of nasty parasites such as fleas and ticks. Each pipette contains a small dose of fipronila broad-spectrum insecticide / acaricidewhich kills fleas on your pet within 24 hours and ticks within 48 hours. FRONTLINE® Spot On for Dogs - L (20-40kg) is a highly efficacious, easy to apply formula with an exemplary safety profile, yet without the need for a veterinary prescription. Simply remove 1 pipette from the pack, snap applicator tip, part your dog's fur at the base of their neck and apply to the skin. The product also helps to prevent flea re-infestation for up to 8 weeks and tick re-infestation for up to 4 weeks. Check your dog for ticks regularly - they can pick them up anytime they explore outside. Treat all dogs in the household every 4 weeks for optimum flea and tick protection. Always select the correct pipette size for your your dog's weight. FRONTLINE® Spot On for Dogs - L (20-40kg) at a glance: Spot-on