Keratin Therapy Repairing Hair Mask is the intensive, deep treatment your hair craves to recover from damage, dryness, and split ends caused by styling and environmental stressors. Infused with a concentrated blend of keratin protein and nourishing agents, this rich mask penetrates deep into the hair fibers to repair damage and rebuild the natural protective barrier from roots to ends. It drenches your hair in deep nourishment that detangles and eliminates frizz, leaving your strands flowing, strong, and silk-smooth with an eye-catching, radiant shine.