LOreal Professional Majirel Hair Color 8.01 8NB (O4) LOreal Professional Majirel Hair Color 8.01 8NB (O4) delivers a light yellowish-brown color to your hair. The effective Ionene G, Incell, and gel-crme formula of this product would repair your dry, rough, and damaged hair. This not only provides color to your resistant gray and white hairs, but it also provides a refreshing fragrance that smells awesome.