Kormesic colour lock shampoo300ml 1) Colour Lock Pink Shampoo suitable for pink hair colors ,correct & lock color reduce red or orange color cast , with a long lasting effect. 2) Colour Lock Silver Shampoo suitable for silver hair colors , coorect & lock color, reduce yellow or golden color cast , with a long lasting effect. 3) Colour Lock Purple Shampoo Granny gray , flaxen bleached hair , correct & lock color remove hair yellow pigment, with a long lasting effect.