This Goldwell Silver shampoo is perfect for providing color protection and remedying yellow or warm tones. A little less drying than regular purple shampoos, it is specifically designed for gray hair. Its formula, tested on humans, transforms non-visible UV light into visible light, hence its radiant power. Features Easier detangling Pigmented purple Protects against pollution and UV rays Provides exceptional shine Neutralizes unwanted yellow tones Uses Luminescine technology Contains the microPROtec complex Contains the FadeStopFormula Complex Suitable for blonde hair Suitable for natural and colored hair How to use Apply to wet hair and lather Rinse Repeat the process Follow with Goldwell Silver Conditioner or Goldwell Silver Mask