Miracle Styling Serum fights the effect of humidity on the hair. It is a grease-free formula that leaves the hair smooth, shiny, and looking healthy without build-up. Safe for use on colored and chemically treated hair. Versatile enough to be used on damp hair or dry hair.Work through hair prior to blow drying or setting in rollers. For dry styling, use to lock styles in place or for better hot-iron results.