Redken's Color Extend Graydiant Conditioner is a silver toning conditioner that deposits custom silver pigments to progressively brighten and tone gray, silver, and light blonde hair color. Formulated with Citric Acid and Amino Acids, this hair toner & conditioner smoothes and nourishes rough, dry hair for gray and silver strands that are 2x stronger* with increased softness, shine and manageability. (*when you use Graydiant Shampoo and Conditioner as a system).