Zen Pen™ is a powerful transdermal whole-plant hemp extract gel that was formulated for ease of administration and accurate dosing for pet parents. This unique and effective blend was designed to give the most efficient, fastest delivery on the inner flap of your dog or cat’s ear, absorbing directly into the dog or cat’s blood stream. This process maximizes the overall effect of the whole-plant hemp extract making it last longer for your pet. Made with full spectrum, whole-plant hemp extract, it provides intense support for constant conditions or serious health conditions. Available in 2mg and 10mg