Wella Professionals Curl Craft Wet Wax Mousse. Wella Professionals Curl Craft is a foaming wax mousse that lets you shape and create beautifully supple curls just bursting with life and vitality. Its firm hold means that curls wont fall out easily and it leaves hair with a velvety texture. Application is the same as for other hair mousses. Simply distribute a little through damp hair, then, to get the style, form individual curls around your fingers.