smooth long curls [SEP] keratin s make the hair smoother not straight shinier and frizzy free for up to months depending on the strength of the product keratin treatments rebound the keratin in your hair so that they are all put back into place there are a lot of steps but don t get discouraged because they re quiet simple to start of give good shampoos with a clarifying shampoo specifically the keratin complex one then towel dry and blow dry the unconditioned hair once fully dry make small sections and apply the treatment from roots to ends and comb through with a fine tooth comb to make sure hair is fully saturated let that sit for minutes then blow dry again without washing out the product once fully dry the final step will be to straighten the hair with a flatiron so the keratin will set in your hair after you re completely done you won t be able to wash your hair for up to days depending on the strength in the solution