For great tone and shine, look no further than Perfecton Colour Rinse from Wella Professionals. This semi-permanent hair colour is suppied in 0/6 violet, and uses a gentle formula to give rich shine without damage. In a 75ml container.
Mixing recommendation by tone: 12/0 to 10/0 - 250ml water + 5ml of Perfecton. 9/0 - 250ml water + 10ml of Perfecton. 8/0 - 250ml water + 15ml of Perfecton. 7/0 to 4/0 - 250ml water + 20ml of Perfecton. Application instructions: shampoo and towel-dry hair. Apply Perfecton mix evenly over the hair with the applicator, while gentle emulsifying. Important: do not rinse and do not shampoo again. Simply style as usual.