PROTECT BONDS. BALANCE pH. PRESERVE FIBER INTEGRITYRedken, a pioneer of pH science, introduces new pH-Bonder, a complete solution to promote bond integrity during a haircolor or lightening service. #1 Bond Protecting Additive helps protect bonds from within. #2 Fiber Restorative Pre-Wash Concentrate balances hair’s pH and strengthens the fiber. No change in your formula consistency, developer volume or processing time. Post-Service Perfector weekly treatment helps your clients maintain hair’s natural pH at home.