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 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 Nicotine Free Mullein Lung Detox Inhaler Natural Mullein Leaf Aromatherapy Support to Quit Smoking Tobacco Free, Nicotine Free in Saudi Arabia Whizz Smokeless Inhalers 3 Ways to Use Mullein Fresh Leaf Tea, Dry Leaf Tea and Smoking and Harvesting, Drying, and Storage