SUPER DRUG COLOUR EFFECTS SHAMPOO / HAIR DYE - MULTIPLE COLOURS Wash in wash out Colour Effects Mahogany, true cehstnut, burgandy, chocolate brown or strawberry blonde conditioning colour adds dark brown tones. Use on natural hair for subtle tones or on coloured hair to boost colour and prevent fading. This easy to use formula doesn't damage hair and leaves it in great condition! Colour enhancing shampoos are a great way to add subtle tones to dull looking natural hair, or to give a boost to coloured hair when it starts to fade. Typically, these aren't natural based, but because they're wash in, wash out formulas.
