See the difference instantly as frizzed, heat-damaged hair is transformed to a smooth, resurfaced, shiny, healthy, look and feel.- Protects and strengthens hair preventing further damage- The ultra-light formula is not oily, greasy or sticky and it is alcohol free- Gives better style control and manageabilityHow to use: Shampoo and condition as usual. Towel blot to remove excess moisture. Apply small amount of serum in palm and rub hands together. Distribute evenly through hair. Style as desired. Use more on longer hair. Do not rinse out.