A UK firm called The Unseen has revealed hair dye that can change between two colors if the temperature around you alters. The rest of this article is behind a paywall. Please sign in or subscribe to ...

We may earn commission from links on this page, but we only recommend products we love. Promise. Don't worry, tho, because we've hand-picked products that work with the different hair types. Note: A ...

Even if you have dark hair, there are plenty of options to help you transform your locks into a magical ocean-inspired hue. The best blue hair dyes for dark hair have highly pigmented formulas that ...