3 Months Of Protection. 3 Applications For Dogs. Natural Repellent For Dogs. For Dogs 10 lbs. & Larger. Effectively Repels Fleas, Ticks & Mosquitoes For Up To 3 Months. Safe For Pets And People when Used As Directed. Water Resistent. An easy way to protect your dog over a long period against external parasites. Applied once between shoulder blades, the product spreads over the whole body through sebum diffusion. Natural base active repellent. Environment friendly 3 month protection for average size dog 6 month protection for small dogs 1.5 month protection for large breed. The spot-on is an oily product. The purpose of the almond oil is threefold:. 1. The oil shields the skin from the natural active ingredients.2. Oil helps transport the active ingredients across the skin.3. It serves as a barrier between the active ingredients and rain or water