Kenra Professional Thickening Mousse New! Thickening Mousse plumps hair strand by strand up to 150% and adds fullness and body to achieve the appearance of thicker hair. Provides crushable, touchable hold for up to 24 hours. • Increases the density of the hair shaft by up to 150%* • Significantly increased body for up to 24 hours* • Flexible, light hold lasts up to 24 hours* • Non-flaking, crushable finish • Thermal protection up to 428 F*