Time may be the ultimate luxury, but hair with a perpetually perfect color is pretty luxurious, too. Luckily, there is a hack to achieve both—and you can easily stow it in your purse. The best root touch-ups let you dodge time-consuming salon appointments and make your color last longer, all while hiding growth or keeping grays at bay. Justine Marjan, stylist for Gwen Stefani, signs off on root touch-ups. She calls these easy-to-use products a “game changer” for keeping hair fresh and vibrant between salon visits. On that note, Kim Kardashian’s stylist Chris Appleton says that a good root touch-up is “a must” for his bag. So, what’s the trick to finding the product that will elevate your roots? Ahead, we’ve tapped the pros to color in all the details for choosing the best root touch-up. Find the best formulas for blondes (and platinum blondes), brunettes, thinning hair, and more, below.Our top picks:Best for Foolproof Application: Bumble and bumble Bb. Color Stick, $33Best for Brows: M...
