Earth Animal Herbal Flea & Tick Spot-On Treatment for Medium Dogs a naturally effective to conventional topical flea and tick treatments that often contain harsh chemicals and insecticides. Developed by Dr. Bob Goldstein, this treatment combines a unique blend of aromatic herbs and soothing essential oils, delivering a fresh, minty fragrance while protecting your dog's skin from biting fleas and ticks. This herbal formula ensures your medium-sized dog stays comfortable and protected in a gentle, natural way.