The Herb Mullein Should Be In Everything You Smoke Puff Herbals Simple Ways To Use Mullein For Lung Health Betterbrand Herbal Diffuser Vape Mullein Diffuser Pen, Smoking Alternative, Replace Bad Habits, Mint Breathe Mullein (pronounced mull in) is a tall, flowering plant that grows in many parts of the U.S. and Europe that has been used in herbal medicine since ancient times. People who have been