These Hair Systems are then colored after treatment, which is why Hairpiece Warehouse offers a wide range of colors. It's very simple. First, wait until you wash your Hair System every day. In summer, wear it at least 6-8 times before washing it. In winter, wear it at least 15 times before washing it. https://hairpiecewarehouse.webnode.page/l/mens-hair-systems-real-human-hair-systems-change-up-your-hairstyle/