+22 Brazilian Keratin Hair Treatment References. These straightening treatments close down the hair cuticle sealing the keratin proteins in your hair in order to achieve a smooth and sleek finish. Web the “ingredient” fills in the strands and that is how it repairs the damage.

This time frame allows the keratin to sink into hair strands completely. What sets marcia teixeira ® brazilian keratin. The formula creates a layer around the locks that protects the hair from external damage.