Essential Oil Biting Insect Repellent Earth Animal Nature's Protection Flea & Tick Spot On for Dogs is a safe and sustainable way to protect your pet from fleas and ticks. Mother Nature doesn't use synthetic chemicals, and neither does Earth Animal. So when it comes to protecting dogs and cats from mosquitoes, fleas, and ticks, their philosophy is simple: pets should never have to carry or consume synthetic chemical insecticides and pesticides. Earth Animal suggests using a 2-Step Protocol that effectively builds immunity and combats fleas and ticks, naturally. Step 1: Essential Protection – internal products work in two ways inside the body. They contain essential nutrients, vitamins, and minerals that support your animals immune system and keeps them healthy. And, they make the odor and taste of the blood undesirable to fleas, ticks, and mosquitoes. This makes your pet less of a target for these insects because the blood isn’t attractive to them any longer.Step 2: Topical Protection – topical products complement our internal products. They utilize botanically driven essential oils to keep the skin and coat healthy to safely and effectively repel fleas, ticks, and mosquitos. Healthy skin and a vibrant coat works together to create a natural barrier that defends insects. This makes it less likely that the insect will get close to your pet, much less close enough to bite. Earth Animal dedicates 1% of annual net sales to efforts that preserve and enhance quality of life for animals, people, and the Earth.