Prodigy is the 1st permanent hair with no ammonia by L'Oréal Paris, designed to give you natural hair colour. Our expert formula is made up of micro-oil technology to blend the new colour strands with the different shades of your hair while giving you full coverage from root to tip. Choosing your perfect shade: Hair colour results will vary depending on your natural colour. If you are deciding between 2 shades, we recommend always choose the lightest.