The keratin seeps down into hair's pores and is heat-sealed with a flat iron, leaving you with smooth, straight tresses. The process promises (mostly) straight hair with minimal maintenance ...

Keratherapy offers both short-term and long-lasting products and professional treatments to restore the keratin content of ...

DIY keratin treatments come in many different forms, from shampoos and leave-in sprays to treatments that you apply with a ...