Mend your weak and fragile hair with Goldwell Dualsenses Bond Pro Fortifying Shampoo. The shampoo contains Inter-Amino-Bond-Builder technology, which strengthens hair by forming new bonds and targeting the most damaged areas from the inside. Amino acids and peptides penetrate deeply into the hair cortex and target damaged areas of the hair. Innovative technology distributes essential care ingredients quickly and evenly for instant results you can see and feel. All of Goldwell's Dualsense products contain the same trusted color protection to reduce color fade-out. The hair becomes stronger and gets a healthy, shiny look.