Ref Stockholm Cool Silver is a professional sulfate-free shampoo, designed to neutralize unwanted warm tones in light and gray hair. Its gentle formula ensures una effective cleansing without damaging the hair fiber, preserving softness and shine. Ideal for maintaining a cool and vibrant color, this 60 ml product offers una a practical and high-performing solution, perfect for those who desire shiny, balanced, and healthy hair. An essential treatment for always fresh and impeccable looks.