MP OH SO COLOUR SHAMPOO is a colour enhancing shampoo designed to clarify and enhance the depth of colour temporarily on hair. Our pearlescent ALL natural shampoo base is gentle on the skin and moisturising to the coat. BUILD colour with frequent washing. CHESTNUT for lighter bays and chestnuts wanting to enhance vibrant auburn highlights. BROWN for a deeper more chocolatey colour all over BLACK to enrich, and clarify a dull black coat.