Crocure EX 15g from Kobayashi Pharmaceutical is a medicated topical cream specially formulated to improve dark, rough patches on elbows and knees and restore smooth, healthy skin. It combines urea and three other active ingredients to soften and remove hardened, discolored keratin while calming inflammation and encouraging skin renewal and natural oil production for lasting smoothness. The lightweight, moisturizing cream is classified as a Class 3 over the counter medicine and is best suited for people with keratinized or rough areas on elbows, knees, heels and ankles who want targeted exfoliation and hydration.