Mother Nature doesn't use synthetic chemicals. Our philosophy is simple and 40 years strong. We believe that dogs and cats should never be the carriers of synthetic chemical insecticides or pesticides. Ever. As seasons change, so does the need for flea & tick protection. Using our team of Nature's Protection™ products together helps create the ultimate defense for your dogs and cats with 2 easy steps to build immunity and combat fleas and ticks, naturally. Formulated by Dr. Bob Goldstein, our is the natural alternative to traditional collars that are made with harsh, synthetic chemicals. Each collar is infused with a natural blend of aromatic herbs and essential oils with a fresh, minty fragrance. The key ingredients in these effective collars are Peppermint, Virginia Cedarwood and Almond Oil. The preventative power of these gentle oils are non-offensive to your dog, but repulsive to fleas, ticks, mosquitoes and other biting insects. Worry free – No phthalates, DEET, synthetic chemicals, synthetic insecticides, or synthetic pesticides and is safe for people, cats, dogs, and the environment. The collars are waterproof and do not need to be removed before entering the water. For maximum effectiveness, replace every 3 months. Please do not use this collar with a leash or to hold your dog 1 collar per box (last up to 3 months) Made by our friends in France Mother Nature doesn't use synthetic chemicals. Neither do we.  Our philosophy is simple and 40 years strong. We believe that dogs and cats should never b