KÉrastase Reflection Touche Chromatique Cooper cares & protects hair to refresh & prolong colour intensity for long-lasting results between salon visits.//A colour-correcting hair dye formula specially developed to be mixed with Fondant Chromatique or Masque Chromatique to bring the best care & colour integrity. The ink-pen neutralises uneven red undertones for a cool brown hair result for a long-lasting effect & a shimmering radiance. // The highly concentrated colour reviving hair dye formula has been specially chosen for its efficiency in colour neutralisation & enhancement to provide long-lasting, vivid colour whilst being gentle on the hair. Hair is left soft to touch, smooth with a radiant shine & revitalised colour. // Use 2-3 weeks after your salon colour treatment to maintain colour.