Lichens have been employed in the production of colours, fragrances, and traditional remedies for centuries.
Insects and larger animals, such as reindeer, eat a few lichen species.
Lichens are frequently utilised as bio-indicators or environmental indicators.
Other lichens, such as Usnea, are studied for their antibacterial capabilities in the creation of pharmaceuticals, and lichen is currently used in a variety of goods.
Lichens are utilised in deodorants, toothpaste, salves, extracts, and perfumes.