Professional Hair Care Step 2: Farmasi Professional Keratin Therapy Repair Hair Mask Repairs, Smoothes and Gives a Shiny Appearance to the Hair Surface, While Moisturizing the Hair Deeply. Care Recommendations: Massage Wet Hair After Shampooing. Comb the Hair Carefully with Your Fingers from the Middle Parts to the Ends. Leave it on your hair for 3-5 minutes and rinse. For easy combing and shine effect, use with Farmasi Professional Keratin Therapy Repair Hair Spray.