- Silver Shampoo 300ml Neutralizing and illuminating shampoo for gray and white hair. A combination of agents that neutralize unwanted yellow tones and leave hair soft and shiny. - Silver Conditioner 200ml Neutralizing and illuminating conditioner for gray and white hair. With a formula enriched with violet pigments and magnesium acetate, this conditioner not only neutralizes yellowing, but also nourishes and protects the hair fiber. The result is soft, shiny and healthy hair.