For All Skin Types. Murad Waterproof Sunblock SPF 30 contains a waterproof formulation that shields the skin from UVA and UVB damage while neutralizing free radicals, helping to prevent premature skin aging. Murad Waterproof Sunblock SPF 30 helps to treat, repair and prevent fine lines and wrinkles, preserve healthy skin"s balance, texture and tone. 125 ml/4.3 oz