Vet’s Best Flea and Tick Spray (8 oz) uses a unique blend of peppermint oil and eugenol (from clove plants) to kill fleas, flea eggs, and ticks by contact. Also repels mosquitoes! Our formulas are independently tested and proven effective at killing and repelling pests like fleas, ticks, and mosquitoes. For use on dogs and puppies 12 weeks or older. The non-staining plant-based flea and tick killing formula is also great for home surfaces like furniture, bedding, carpets, flooring, and curtains ? anywhere these pests may hide! For over 30 years, Vet?s Best has blended plant-based ingredients that work together to comfort and protect your pet.