How long does permanent dye stay in your hair? Ideally, *permanent hair colour* would stay vibrant forever, or at least until the roots grow. On most heads of hair, that would mean getting a good 6-8 weeks between touch-ups – but sometimes, even with permanent dye, colour fade can happen within a few weeks.
Does permanent hair dye fade completely? Permanent hair dye (like the name suggests) is designed to last longer than temporary and semi-permanent hair dyes, however, it still doesn’t last forever. Unlike semi-permanent hair dye that’s designed to last just a few shampoos, permanent hair dye penetrates the hair strands more, locking in the colour for longer.
How many washes does permanent hair dye last? Permanent dye is the longest lasting dye. Generally, it’s safe to re-dye every 6 to 8 weeks.
Which hair color lasts the longest? So, what hair color lasts the longest? As we explained above, the answer is clear: brown. If you want a long-lasting color change, head over to your favorite salon or DIY this hair color. And don’t forget to use our hair care tips to make the most of your new hair color.