This L'Oreal Professionel Serie Expert Magnesium Silver Shampoo is formulated to address the needs of silver, white, or gray hair. It works to neutralize unwanted brassy and yellow tones, enhancing the clarity and brightness of cool tones in the hair. Regular use helps maintain the desired cool shade while gently cleansing the hair and scalp. It is designed for professional-level care to prolong the vibrance of cooler hair colors between salon visits.