Wella Professionals Shape Control Wet Styling Mousse. Extreme control with firm but touchable hold. For really out-there styles, you need Wella Professionals Shape Control styling mousse. It has an extreme level of hold that will give structure even to the most modern, most creative hair styles. Despite this firm hold, hair still remains touchable. Application is best done by finger combing the styling mousse through damp hair, then blow drying into the desired style.