Nioxin 3D Styling is designed to address the 3D signs of thinning hair.1. Derma2. Density3. Diameter LightPlex TechnologyFor light, flexible effects:This professional technology works both inside and outside the hair. Conditioning agents travel into the hairs cortex, retaining hair moisture for longer and protecting hair from environmental damage, while lightweight, flexible polymers wrap around the hair for a balanced style without any stiffness. It is recommended for all clients as a first step in protecting hair prior to styling. It will help leave hair shiny and protect against breakage. How to use:Spray evenly through towel dried hair and comb through. Blow dry and flat iron hair for heat activated protection. Then style as desired.