*REDKEN Color Extend Magnetics Mega Hair Mask is a deep conditioner & hair treatment for color-treated hair. This professional hair mask is sulfate-free and helps to enhance the shine and hair color vibrancy of color-treated hair. *Deep Conditioner, Hair Treatment and hair mask for color treated hair that protects hair color from fading. *After shampooing, apply to towel-dried hair. Leave on 3-5 minutes. Rinse thoroughly.