Global Keratin GK Deep Conditioner This professional treatment delivers moisture and nourishes hair for a smooth and sleek deep treatment. Strengthens hair weakened by chemical services, heat styling and environmental effects. Repairs damage with natural plant extracts and oils. Use: Wash hair with GK pH+ Clarifying Shampoo, if you have experienced the GKhair hair taming procedure, wash with GK Balancing or Moisturizing Shampoo. Apply to wet hair, coat the hair evenly, leave on for 20 minutes with cap under the dryer. Rinse well, style as desired, as you feel the transforming results.