We may earn commission from links on this page, but we only recommend products we back. Why Trust Us?If your grays are peeking through at the top of your head right now, it may be prime time to touch up your roots. But what if you don’t have the time for a hair salon appointment right now? Luckily, you can turn to the best root-touch up products for quickly and easily concealing your gray hair or grown-out roots right at home. “Root touch-ups are a spray or a powder that you spray on your gray roots to hide them...if you can’t get to the salon or if you are trying to stretch out time in between touch ups,” explains Jenna Spino, hairstylist at Maxine Salon in Chicago. “They come in different colors to match your hair color.” These products wash out when you shampoo, meaning that they hide your roots temporarily and don’t permanently color your hair, notes Spino.Meet the Experts: Jenna Spino, hairstylist at Maxine Salon in Chicago, and Laurabeth Cabbott, hairstylist and owner of Artistry...