You want to color your hair and you are afraid of the dye and the chemicals damaging your hair Now, with natural Crimson stone paste, color your hair without any harm to the hair What is Crimson ? Crimson is a substance that is in the form of stones or small grains. It is ground and used to dye hair. A small amount of it is sufficient to dye hair, due to its strong concentration in dyeing the hair. The color of Crimson tends to be red and aubergine.