<qa>  What is the name of the treatment area that is located within one 1 month prior to the Base- Subject used topical medications; corticosteroids, alpha hydroxy acids e.g., glycolic acid, lactic acid etc. 5, beta hydroxy acid salicylic acid 2, urea 5, 5-fluorouracil, diclofenac, imiquimod, ingenol mebutate, or prescription retinoids e.g., tazarotene, adapalene, tretinoin within the selected Treatment Area trunk or extremities within one 1 month prior to the Baseline Visit. 