Prepare your hair for colouring with logona herbal hair dyes with this optimal treatment this gently foaming shampoo contains bentonite clay which will deeply cleanse your hair without stripping the protective skin layer of the scalp this shampoo can also be used instead of your daily shampoo if you have an oily or sensitive scalp before you colour your hair with logona herbal hair colour preparing the hair with this logona colour plus treatment will ensure that your hair colour adheres bett