#$%^&*AU2018253527A120181115.pdf#####MDI RELATED PRODUCTS AND METHODS OF USE ABSTRACT OF THE DISCLOSURE Provided herein are embodiments related to metered dose inhalers and formulations for such inhalers. In some embodiments, the inhalers are configured so as to allow a more comfortable experience for the subject receiving the formulation. In some embodiments, the formulation comprises various ingredients, such as terpenes and/or waxes, which can further enhance the level of comfort for the subject receiving the formulation.