Color Wow Root Cover Up Medium Brown - 2.1g The ground-breaking innovative formula makes Color Wow Root Cover Up the next handheld device to change your life. Cover up dreaded roots and regrowth quickly and easily - with no mess - for perfect results in under a minute. No More Roots!! With the ease of a photo retouch tool, all shades seamlessly cover grey roots. The blonde shade even covers dark re-growth in lightened/highlighted hair; never before has dark re-growth been 'lightened' without peroxide. Pigments adhere to hair without being sticky or oily and without dulling. Dramatically extends the time between coloring and highlighting.