a light-based system and method for forming and treating hair

摘要

the present invention provides a system and methods for treating and shaping a keratin fiber. a light-based system includes an activation system configured with one or more light sources. the light source is configured to apply electromagnetic radiation to a target region, including keratin fiber. the light-based system applies electromagnetic radiation to the target region to make the photosensitive bond with the help of a photosensitizer on the keratin fiber and to transition the keratin fiber from a first physical state to a second physical state.