A device for delivering an oral treatment and a method for preparing such, the product exhibiting improved capacity for delivering oral additives to the user. The device may be prepared by pretreating a wooden substrate to increase porosity and decrease hardness. The device is then immersed in a compound comprising the oral additive, a masking agent, and/or a sweetening agent, where the substrate absorbs the compound. The resulting device provides a cost-effective method for prolonging a users exposure to the desired oral additive.