Intercosmo Nutrilux Macadamia Oil Permanent Hair Dye 6.81 Oak is an excellent choice for your hair care. It is designed to provide permanent color with natural shine, while simultaneously moisturizing and nourishing your hair thanks to the macadamia oil it contains. It is ideal for color options that offer vibrancy and depth, so you can enjoy the ultimate renewal of your appearance. With each application, your hair becomes healthier and more beautiful.