WHAT IT IS Rock Hard Styling Spray holds your bold styles in place. WHAT IT DOES Biosilk Rock Hard Styling Spray gives exceptional control shine workability and style memory for edgy styles and extreme textures. After over 20 years of being a household name known for creating soft silk exceptionally shiny hair BioSilk reveals its alter ego ROCKHARD. The new members of the BioSilk family are younger and funkier but still hold the same DNA when it comes to hair health and silk. Perfect for creating messy textures or show stopping styles.