Because it is essentially rebuilding the damaged areas, you can expect to see an increase in shine, less frizz, and an easier styling process overall.

Immediately following your treatment, make sure to invest in a dry shampoo—in order for the keratin to live up to its promises, you aren’t allowed to wash your hair, or tie it back in a ponytail holder for at least 48 hours. You’ll also need to take a closer look at the ingredients in your current shampoo and conditioner lineup. “Sulfate-free formulas are the key to longevity.