The general idea of using vitamin C topically did not come to me out of nowhere. Back in 1984, Robert F. Cathcart III, MD, published on how to make what he simply called “C-paste.” He used it for herpes simplex lesions and early Kaposi’s lesions. “C-paste is made with either ascorbic acid or sodium ascorbate and water applied directly to the skin and covered with a bandage. Frequently, one application will suffice for herpes. . .Read more.