Bond Lightening System with ProPlex Technology to strengthen the hair from within and to reconstruct hair bonds, when used in combination with Bond Completion In-Salon Treatment. For clear blonde results with up to 7 levels of lift - no compromise. Reconstructs hair bonds with up to 97% less hair breakage* and provides a clear blonde result. *True Blondes against hair breakage when used in combination with Bond Completion In-Salon Treatment.