Mullein is high in flavonoids and tannins. They help in the healing of wounds, bedsores, and bruises, as well as increase the overall immunity of the body. Additionally, they have a soothing effect on the gastric mucosa. They can be used to protect the digestive system in case of inflammation.
Mullein is also used to treat indigestion and even intestinal colic. Due to its rich composition, cooled mullein infusion can also be used to wash the face with acne-prone skin.