Wash your hair twice with Zenix Prokeratin purifying shampoo. Remove the wetness of hair by using towel. Dry hair slightly so that it stays moist. Separate hair into 4 parts. Apply pro keratin cream to all hair according to the length and structure of hair. (Apply firstly to hair tips then middle part and then close to hair ends). Avoid contact with the scalp, nape and face. Hair is separated into thin parts and sufficient amount of the product is applied by a brush. You must not apply the product in big amounts but only enough as much as the hair can absorb. During the application, make continuous combing with fine-tooth comb. Wait between 15 and 20 minutes after application to all hair. after that start using the hair blow machine with medium heat until the hair is totally dry. then wash the hair with warm water using shampoo . we recommend to use sulfat free hair shampoo to achieve the best results.