Keratin Treatments or Brazilian Keratin Treatments are smoothing and straightening hair treatments that you can get to help your hair be virtually maintenance-free and frizz-free. They can be great for those with curly hair, wavy hair, frizzy hair or even damaged hair. Check out all our before and after pictures on a new keratin treatment. Keratin treatments result in silky, shiny, looser or straight hair. Interested in a keratin treatment? Want to maintain your treatment? We've got articles, tips, how-tos, blogs and videos on the many types of keratin treatments.