HAIR TOUCH UP root concealer dark blonde 75 ml HAIR TOUCH UP root concealer #dark blonde 75 ml is a product designed to hide unwanted root regrowth. It is a temporary solution to cover gray or white root regrowth. This product is easy to apply and comes in a variety of shades to match your hair color. It can be used on all hair types, lengths and textures. It is a fast and effective way to touch up your roots without the commitment of a hair color.