AG Hair's Sterling Silver Shampoo is a sulfate-free formula designed to brighten blonde hair, neutralize brassiness, and nourish hair. It's gentle enough for daily use and helps to maintain cool, ash-toned color. The shampoo is also great for preserving color in all hair types and preventing fading, leaving your hair soft, smooth and easy to manage. It is a perfect choice for anyone who wants to enhance the brightness and neutralize brass tones in their blonde hair.