Vegan Silver Shampoo, from the Bonacure BC Color Freeze range, gently cleanses gray and/or lightened hair and preserves its shine. The formula helps rebalance the pH of the hair fiber and fights against unwanted warm tones. Vegan keratin helps preserve color and revitalize cool tones. Your gray or lightened, dull hair is revived thanks to the iridescent ash highlights provided by silver shampoo.