Maintain the gorgeous shine and luminosity of your gray hair. The brassy yellows are gone and the grey hair is moisturized. produces healthy, lustrous, and soft hair. Product description: Special shampoo that neutralizes potential yellow rils and adds brightness for colored or natural gray hair. by hydrating, shining, and softening hair. Apply evenly to damp hair, give it a light massage, and let it sit for a few minutes. Rinse thoroughly perfect for maintaining a house.