FRONTLINE SPOT ON for Dogs is the original formula from the UK's leading flea and tick brand, FRONTLINE. It kills fleas and ticks on your dog to help protect them from the discomfort and diseases these parasites cause. Use it every 4 weeks for optimal protection. Kills fleas on your dog within 24 hours and kills ticks within 48 hours, helping to reduce the risk of tick-borne disease. Also kills lice. FRONTLINE SPOT ON is a clinically proven veterinary medicine available in 1-dose, 3-dose and 6-dose packs. It can be applied to dogs from 8 weeks of age weighing at least 2 kg. It can also be used on pregnant and lactating dogs. FRONTLINE SPOT ON is a topical treatment which goes over your dog's skin and hair to kill fleas and ticks through contact with them – they don't have to bite your dog to be killed. Bathing/shampooing/ water exposure once a week does not affect the product's effectiveness. Do not bathe your dog or let them swim for 2 days after application. If your dog is unwell, please see your vet for advice before you apply a flea treatment. FRONTLINE SPOT ON for Dogs is not suitable for use on rabbits. Legal classification: AVM-GSL. Active ingredients: fipronil, s-methoprene. FRONTLINE Plus for dogs and cats features an advanced formula. Unlike some other flea treatments, it kills both fleas and ticks on your pet to help protect them from the discomfort and diseases these parasites cause. Plus it stops the flea eggs that fall off your dog from hatching in your home. Use it every 4 weeks for optimal protection and to help your pet feel healthier and happier. FRONTLINE Plus is a clinically proven veterinary medicine that's available in 1-dose, 3-dose and 6-dose packs.