We asked Goldwell Pro Stylist Steven Picciano for a few tips on a low-maintenance, color pick-me-up. Think of a glaze as a top coat of polish, but for your hair. It targets the hair shaft with ...

Plus a briefer on why hair goes brassy to begin with. Fact checked by Isaac Winter You drop a decent amount of cash on a dye job and notice, maybe even a few weeks later, that your hair is looking ...