The Value of Chrysophanic Acid as a Remedy in Skin Disease

Under the old name of Goa powder this drug has been in use in India for many years as an external application, and has obtained for itself a considerable reputation for its efficacy in curing cases of " ringworm," especially that form familiarly known as " dhobie's itch." Rubbed oil the affected spot, previously moistened with glycerine, Goa powder gives almost immediate relief to the intense itching, and a few applications seldom fail to effect a cure. The great objection to it is the discoloration of the skin, which, however, disappears in a few