Caring for coloured hair doesn't have to be confusing. Muk Vivid muk Colour Lock Shampoo simplifies the extra step towards long-lasting colour by infusing your daily shampoo with all the nurturing and nourishment chemically-treated hair needs. Rich in proteins to untangle hair and keep it hydrated, lock in brilliant colour, shine, lustre and beauty to hair. Muk Vivid Muk Colour Lock Shampoo is a lightweight love affair for coloured hair.