Permanent hair color should last a good six to eight weeks before you need to touch it up. Give yours staying power with these pro tips. For more expert hair color secrets, pick up a copy of our August issue on newstands now!
Precondition Prior to Color
Optimize at-home results by doing a deep conditioning or protein treatment three to four days before applying color, says SoftSheen-Carson's Mezei Jefferson. This makes color shinier and richer.