L'Oreal LUO Color 5 50ml. LUO Color provides an ultra high-shine and luminous-looking permanent colour in just 20 minutes. Each LUO Color shade has a special combination of photo-reflective colour molecules to enhance the personality of the hair’s own reflects. Photo-reflective colourants allow the hair to absorb and reflect light, at the same time creating brilliant, shimmering results. This multi-dimensional, light reflecting colour provides up to 3 levels of lightening. LUO Color is enriched with Nutrishine technology and Grape seed oil. Hair is left vibrant, feeling smooth and radiating shine.