Mask with a dual-action formula that deeply conditions the hair and prolongs the duration of the colour offering the most optimal and brilliant result for up to 3 washes. Contains an RCT protein complex that strengthens the hair and makes it more resistant. The use of this mask guarantees a longer colour duration, with up to 4 weeks of maximum vitality and shine. In addition, the results are enhanced if used together with the products of the same range and sulfate-free shampoo.