An inventive method of thermal straightening is called "strait therapy." The first permanent hair straightening system that gives hair an incredible gloss and shine for six to eight months. a cutting-edge heat straightening system that produces incredibly shiny, poker-straight hair that is easy to style. Distinctive Style Hair can stay straight for six to eight months with the use of the effective straightening technique known as "strait therapy." It provides hair with a smoother, more lustrous sheen than other straightening techniques. It is a thermal system that is specially designed. For over 120 years, the hair cosmetics brand Schwarzkopf has stood for excellence, knowledge, and creativity. Every one of our products is a reflection of our passion for creating beautiful hair. CHARACTER THERAPY