Paul Mitchell Neuro Repair HeatCTRL Treatment - 150ml WITH EXCLUSIVE HEATCTRL TECHNOLOGY / UP TO X MORE CONDITION. Color Safe/Vegan/Paraben-Free Ideal for All Hair Types Especially Damaged Hair Repair and protect hair from the daily stresses of heat styling with this intensive hair mask. Use as your weekly deep conditioning treatment to help repair heat-damaged strands with a rich, moisture-restoring formula that leaves hair smooth and conditioned with brilliant shine. Use Apply to clean, damp hair and comb through a wide-tooth comb such as the Detangler Comb. Leave on for 3–5 minutes, then rinse and style as desired. For extra hydration, leave on for 10–15 minutes. Heat may be used for deeper penetration. For best results, use after Neuro Lather HeatCTRL Shampoo and Neuro Rinse Heat CTRL Conditioner