Can You Smoke Mullein Leaf? Zhi Herbals MULLEIN MINT Quit Vaping Aid Natural Aromatherapy Wellness Influencers Say Smoking Mullein Leaf Is a Lung Cleanse. Doctors Say There's a Much Healthier Alternative. Mullein Herbal Diffuser Pen, Thyme and Menthol, Smoking Alternative, Replace eBay Marshmallow root, leaf, and mullein support vapers by soothing irritated throat tissues, reducing inflammation, and acting as expectorants to clear mucus from the lungs. These herbs provide a Wholesale essentail oil vape with mullein for your store