Refine Shampoo for Coloured Hair to be used after hair smoothing and straightening, comprises highly substantive particles performing Enzyme alike affinity to hair structure and enabling hair to recuperate itself. Refine Shampoo performs gentle and effective hair cleansing and scalp balancing as well as refreshing hair and scalp keeping their natural pH. This uniqe Shampoo detangles and reduces friction between hair fibers and creates freedom of movement. In addition, it connects inner pigments for a beautiful harmonic look as well as intensifying shine after colouring.