Milkshake Colour Maintainer Shampoo is a caring natural shampoo designed specifically to maintain the freshness of your coloured hair for longer. We all know coloured hair needs special care; not only does it need to be kept well hydrated but the colour also needs to be taken care of . Make sure your hair colour looks vibrant and healthy every day of the week. Milkshake Colour Maintainer is a professional, salon quality shampoo for coloured hair that is perfect for everyday use. This shampoo will leave your hair soft, smooth and easy to control whilst being naturally gentle.