Based on appearances alone, coloring your hair unicorn pink or mermaid blue may seem like a magical endeavor, but it’s actually pretty straightforward, especially if you’re naturally brunette. Generally, the process involves spending hours lifting your dark hair to light blonde, depositing bright color to your bleached strands, layering a gloss on top, and boom — you now look like (the cooler, grown-up version of) My Little Pony.