- A Shaping Mousse for stubborn hair. Provides strong hold, long-lasting shape and volume. Helps the brush to glide through the hair during blow drying. The new StyleSign Ultra Volume range gives you long-lasting shape and volume with strong, yet flexible hold. Stylesign uses the FlexProTec Complex. Product-specific styling polymers and bamboo proteins create any desired look and help to keep the style natural and flexible. A new, unique elastomer and UV filter in all products help protect the hair from premature color fade, damaging effects of heat styling and UV-light. The hair surface is smoothened to enhance natural shine.