Goldwell Kerasilk Reconstruct Regenerating Blow-Dry Spray is formulated with a luxurious combination that will rebuild hair and add strength to damaged or processed hair. Not only does it add hydration without weighing it down, it will leave it with a touchable, silky feel. Instant combability and repair for a soft, weightless feel. Provides heat protection. Shake well. Spray on towel-dried or dry hair. Leave in.