Colour maestro Christophe Robin believes that great dye begins with great hair. His eponymous label works to restore colour-treated or chemically processed tresses so that your locks stay looking fresh between trips to the salon. Keep your copper golden and blonde brass-free with the Shade Variation Mask . This creamy treatment breathes life back into pure, radiant and defined highlights so that your hair feels stronger and looks healthier. Christophe Robin Shade Variation Mask Application: Wash your hair with the clarifying shampoo with Chamomile and cornflower or the cleansing purifying scrub with sea salt to renew the hair fibres. Then, apply the shade variation to towel-dried hair from root to tip. Lather by massaging into hair and leave in for 5-30 minutes, depending on the desired intensity. Rinse thoroughly. Tones are removed after 3-5 washes Warning: Make sure you only leave the product in for 5 minutes the first time you use it to test how the pigments interact with your hair. Carry out a patch test 48 hours before application to avoid any allergic reactions. Wash hands immediately after application to avoid staining your nails 250ml