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 History and Cultural Significance of Mullein MOUNTAIN SMOKES How To Use Mullein Extract For Smokers Mullein Drops Lung Cleanse & Immune Support, Organic Mullein Leaf Extract, 2.2 Fl Oz, Sugar Free, Gluten Free Verbascum Thapsus Australia Drops How To Use Let's talk about Mullein Mullein is one of my favorite herbs for the respiratory system. It's known for being antispasmodic and anti inflammatory, helping to relax tight, irritated tissues and support deeper, Mullein: safe to smoke dried and crumbled?