Medicinal properties of birch tar have been proven by time and are determined by its complex chemical composition that includes over 10,000 different substances.
Phenol is a strong antiseptic agent with a wide range of action, which also may relieve itch.
Betulin has anti-inflammatory, germicide, wound healing and anti-allergic activity; it may also be used for preventative treatment of tumor development. It accelerates tissue regeneration and reconstruction of affected area of the skin.
Guaiacol has anesthetic properties, relieving pain, itch and burning sensation in skin.
Cresol also has a strong antiseptic effect.