Will Color Reviving Gloss Cover my gray roots? November 07, 2019 22:43 Updated Color Reviving Gloss will not offer any gray coverage. Related articles What is Color Reviving Gloss? What is the difference between Root Touch Up and Root Reboot? Can I use Color Reviving Gloss on mostly white or gray hair? Should I wash my hair before coloring? What if I already color with a different brand and want to match that shade? Comments 0 comments Article is closed for comments.