Frontline Plus is a potent monthly flea treatment for cats. The topical solution kills 100% of adult fleas on cats within 12 hours of application and chewing lice within 24 hours of application. This spot-on treatment destroys all life stages of fleas. It’s effective in killing flea eggs and larvae. This further prevents flea infestation and protects felines from heavy flea infestation and other diseases caused due to fleas. The long lasting effect works for the whole month, which is safe to use on breeding, lactating and pregnant cats.