Coloring hair can be damaging - L'Oreal beauty experts research ways of keeping hair healthy.

Healthy hair reflects the most light. The reflected light we see is interpreted to us as shades and tones of the one pigment. The L'Oreal beauty and health care ideal is to ensure that hair remains healthy after the dye has been applied so that the color reflects the same amount of light. This way the new color is seen to be just as beautiful as the natural one. L'Oreal hair dye can even go as far as making once dull and lifeless hair more healthy and therefore more beautiful. 

Three examples of products that leave hair beautiful and healthy.

L'Oreal Excellance Creme protects as it colors. This original non-drip loreal hair color contains ceramide and protein producing healthy results, it revitalizes and protects hair. Researchers have come up with new hair color ideas for dark shades: Blonde Extreme and Red Extreme.

L'Oreal Preference Hair Color was designed to produce rich color longitude. L'Oreal has researched a way of making a hair dye that is permanent with superior shine and is fade resistant so that color lasts and hair stays healthy.

Color Pulse Mousse is a concentrated mousse that is non-permanent. It is made to be versatile way to color hair temporarily as it serves two purposes. It can revitalize natural color without lightening it, which means that your natural  color is not compromised. Secondly, it can give you a new look without the full commitment of a permanent color, as long as you want to go darker.

L'Oreal have researched chemical processes to suit many different needs. A chart of hair colors is available to help you decide the exact shade you want to be.