Hair straightener Brazilian keratin 500ml Keratin care & Brazilian blow dry Straight hair for up to 6 months... Odorless - Smoke-free Practical use at home without the need to go to the hairdresser Keratin care & Brazilian blow dry Keratin - is the main protein structure of your hair and when the outer layer is damaged, it causes hard, damaged and dry hair. causes. Brazilian keratin or blow drying is used in repairing damage to the cuticle layer of the hair, controlling frizz, restoring the lost shine of the hair and hair straightening treatments. Keratin care - protects the structure of your hair and saves you from frequent visits to the hairdresser or blow drying with its long-lasting blow-drying effect. Keratin- is the main protein structure of your hair and when the outer layer is damaged, it causes rough, damaged and dry hair. Brazilian keratin or blow drying is used in repairing damage to the cuticle layer of the hair, controlling frizz, restoring the lost shine of the hair and hair straightening treatments. Keratin care - protects the structure of your hair and saves you from frequent visits to the hairdresser or blow drying with its long-lasting blow-drying effect.