It's a fast-acting conditioner and restructuring agent. It can be applied before any styling technique (perming, straightening, bleaching or dying) to protect hair by providing a coating around hair cuticle. For frequent use with heat based straightening tools. Its high keratin content leaves hair shinier and more manageable. Directions: After washing the hair with a Salerm Cosmetics Hi-Repair Shampoo, and with the hair still damp, apply the contents of the phial to the mid-lengths and ends. Then blow dry or iron as normal.