Rule 7: Avoid Color Overkill
Good news: You don't have to dye your whole head every time you notice your color fading. Doing so "will cause color buildup, discolored ends, bands of lightness and darkness, and unnecessary damage," says White. "You only want to dye the new growth, and maybe, if absolutely needed, refresh faded ends during the last few minutes of the coloring process."
By: Daily Glow