Natural essential oils are formulated in an easy to use spray to improve the oral health of dogs and cats. Simply spray twice a day until you see an improvement in the pet's teeth and twice a week thereafter. Get fresher breath, healthier gums and prettier teeth. Essential Oils are so powerful, that a very little goes a long way. This bottle size is up to a six month supply for dogs starting with noticible tartar, longer if teeth are clean! Buy the original! No nasty chemicals, essential oils are our active ingredients.