Kukkutandatvak Bhasma is an Ayurvedic medicine made with egg shell.
It is useful to improve bone density, since it is a good source of calcium. Hence used in arthritis, osteoporosis etc.
It is used to treat leucorrhea in women.
Kukkutanda Tvak Bhasma ingredient:
Changeri – Oxalis corniculata
Reference: Ayurveda Sara Sangraha.