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 fipronil – a broad spectrum insecticide acaricide – which 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 solution to tackle fleas and ticks targeted treatment for fleas ticks kills fleas within 24 hours and ticks within 48 hours helping to protect your dog from discomfort and parasite caused disease easy application apply 1 pipette to the skin at the base of your pet's neck long term protection apply every 4 weeks for optimum protection vet strength formula highly efficacious formula with an exemplary safety profile, without the need for a veterinary prescription frontline® spot on for dogs l 20 40kg is an avm gsl veterinary product. Please refer to the package leaflet before use. Use medicines responsibly. Frontline® spot on for dogs l 20 40kg contains fipronil.