Comfrey is a perennial herb related to forget-me-not and borage. Also known as Bruisewort and Knitbone, comfrey has earned an entry in every Materia Medicawritten since the 15th century, although it's been in use for much longer. 

Due to the presence of pyrrolizidine alkaloids, comfrey leaf is limited to topical uses today but should not be applied to open wounds.

Use to make infusions and infused oils to produce soaps, shampoos, lotions, ointments and salves.

Comfrey is a source of allantoin, a compound used in the cosmetics industry. 

SAFETY Avoid using on broken skin.