Mizani Iron Curl Heat Styling and Curling Cream 5.2oz. Iron Curl is designed to create high, flexible hold and style support when using thermal tools. For curled, pressed or flat-ironed styles, Iron Curl defines curls, bouncy flips, and smooth, sleek styles. With advanced thermal and breakage protection that helps to prevent split ends, coconut and rice bran oil to fortify and strengthen hair fibers while xylose sugars deliver advanced heat protection.