Goodman first stated the importance of a goodhistory that includes information about diet, cathartics, periods,urine, blood sugar, ingestion of bromide or iodine drugs, blood purifiers,headache medicine, nerve tonics, and sleep potions. Topicaltreatments were classified into keratolytic, antiseptic, astringent,emollient, and keratoplastic therapies. Some examples of keratolytictherapies that were championed by Goodman are outlined in Box 1.