Mullein is a member of the figwort family with hairy leaves and tall, yellow spikes of flowers. It originates in Europe, where it has been used since ancient times. Mullein leaves contain large amounts of a soluble fiber known as mucilage, a thick, gelatinous substance. It is believed that the mucilage contributes to mullein's soothing effects. Mullein leaves may provide nutritive support for healthy respiratory and bronchial function.
Mullein leaves are from the Mullein plant and the flowers and herbs are used for different herbal preparations. It has been used as a tea for bronchial congestion, and an irritating cough. It has also been used topically for minor skin irritations.