Grecian lets you decide day by day grecian gradually replaces grey with natural looking colour you can stop anytime and leave a little grey or keep going till all the grey is gone now grecian 2000 lotion also has a special conditioning action that makes you hair look and feel fuller healthier than before works for any colour hair grecian has the unique ability to replace melanin natures own colouring protein your hair turns grey when melanin decreases with age with grecian y