HAIR TOUCH UP root concealer warm blonde 75 ml HAIR TOUCH UP root concealer #warm blonde 75 ml Hair Touch Up is a temporary root concealer spray that is designed to cover up gray or regrowth roots between hair color applications. It comes in multiple shades and is easy to use. It dries quickly and is water resistant, so it will not easily run or transfer onto clothing. This product is ideal for those who need a quick touch up or for those who want to extend the time between hair color applications.