Check out this brand new hairstyle that will be sweeping the fall trends! It is called the Cold Brew Hair Many people on Instagram have already begun to go darker with their locks, but it isn’t with just any old brown color. Instead, people are taking their hair color like they take their coffee and getting their strands dyed as perfectly brown as their cold brew.The “cold brew hair” trend started to make its way to becoming a full-blown must-have when Brittany Leitner, senior lifestyle editor for Elite Daily, got her hair dyed to match her coffee order.Nothing sounds like inspiration more than something that resembles my favorite coffee drink!