Restorative Treatment MaskRebuilds Strengthens Silkens A luxurious, deeply hydrating treatment mask with Alpha Keratin 60ku actively rehabilitates hair in need of extra care for an instant infusion of shine, moisture, and resiliency without weighing it down. Hair is transformed with more elasticity, bounce, and youthful vibrancy. This product delivers an immediate and intense hydrating and conditioning boost for silky soft hair that's reinvigorated with health and nourishment.