what is urea used for on skin
1 Urea is used to treat chronic dry skin conditions, such as eczema. 2  It is also used to treat skin conditions that cause dry, thickened, scaly, flaky and cracked skin (ichthyosis, xeroderma) and thickening of the outermost layer of the skin (hyperkeratosis). 3  It is an emollient, also known as a moisturiser.