Turn your home into a flea-free zone and give your pet blissful contentment. This fantastic product is extremely fast-acting, killing 98-100% of fleas within 12 hours. Perfectly safe for your pets who suffer from flea allergy dermatitis. Easy to use and leaves no unpleasant smell, Johnsons 4fleas Spot-on Treatment is just as good as prescription treatments but for a fraction of the price. It sure is a must-have for all cat lovers.