Protection and Treatment FRONTLINE SPRAY for Dogs & Cats provides your dog with protection against fleas and ticks in the following ways: FRONTLINE Spray for Cats FRONTLINE SPRAY controls fleas and ticks, and can be used on kittens from 2 days of age. Below you'll find all the info you need to decide whether this product is right for your pet. Your vet can also advise whether FRONTLINE SPRAY is most suited to your pet's needs. FRONTLINE Spray for Dogs. How often should I use FRONTLINE SPRAY? Treat all your dogs and cats every month. If you are in a paralysis tick area and have a cat, apply FRONTLINE SPRAY every 3 weeks for protection against paralysis ticks. How long before and after bathing my pet should I apply FRONTLINE? Ensure your pet is totally dry before applying FRONTLINE products. Do not bathe or shampoo your pet for at least 48 hours. When should I start treating my pets with FRONTLINE SPRAY? It is safe to treat puppies and kittens with FRONTLINE SPRAY from 2 days of age. Attention: Although Frontline Spray is a KELAS IV medicine but avoid spraying eye & keep out from children reach. Any adverse reaction should stop using immediately and consult veterinary advise.