Matrix Keep Me Vivid Shampoo 1000ml Matrix Keep Me Vivid Shampoo is a sulfate-free shampoo that keeps your hair color alive and provides lasting shine. The shampoo gently cleanses your hair and gives new vitality. It also prevents fading of the hair color. The coloration lasts up to 21 hair washes longer. Matrix Keep Me Vivid Shampoo is ideal for fast fading colors on blonde hair, brunettes, pastel colors, red tones and copper colors. The shampoo has a scent of vanilla, coconut and cotton candy. Application: Apply Matrix Keep Me Vivid Shampoo to wet hair, massage in and then rinse thoroughly. For final care, apply the Keep Me Vivid Conditioner.