Relife U-Life 30 Ecofoam 50ml. 30% Urea. Relife U-Life 30 Ecofoam is specifically formulated for the treatment of dry, very dry, rough and cracked skin.. Relife U-Life 30 contains 30% urea and is a keratolytic and moisturising treatment for very dry skin characterised by localised areas of thick skin. This light formula can also be easily applied to large areas making the skin smooth, healthy and soft.