Urea (carbamide) is one of the most important substances among the skin's natural moisturizing factors. It stores moisture even in deeper skin layers, while bog plant extract increases the water content especially in the upper areas of the outer horny layer, where the skin usually dries out very quickly. In the new GEHWOL med Express skin care foam, urea supports yet another property of the bog plant extract. The extract smoothes and rehydrates dry and stressed feet. Urea complements this effect with its cornea-softening action. The urea thereby reduces pressure points and helps prevent cornification.