Do you want to say goodbye to unwanted yellow tones and shine with a perfectly blonde una shade, or do you have white hair and wish to add a delicate silver una hue? Thanks to its composition, Schwarzkopf Professional BC Bonacure Color Freeze Silver shampoo locks the color pigments inside the hair fiber, thus preventing the color from fading. After use, your hair will remain strengthened, shiny, and, in addition, easy to comb.