My smoothing treatments are a keratin-based, formaldehyde-free hair relaxing treatment. It is safe on all hair types. It is designed to realign and bond proteins into the hair shaft to improve the overall health and condition of the hair. Whether you are looking to eliminate frizz or to achieve a straighter look, this treatment is flexible enough to be customized to the result you desire, leaving you with shiny, silky, manageable hair. Your hair will be left frizz-free and healthy. The benefits of this treatment last 8 to 12 weeks.