Spot-On for dogs is an insect repellent for amateur use to repel fleas and ticks by application directly onto the skin of the dog and puppies. Spot-On flea treatment is applied directly to your cat’s or dog’s skin via an easy-to-use pipette. The solution spreads quickly through the lipid/fatty layer across your pet’s skin and coat from the point of application and kills fleas within one day. With monthly, year-round use, it provides long-term flea protection for your cat or dog, keeping your pet and your family happy and protected. Easy to use