Rejuvenate your brown hair with the Christophe Robin Shade Variation Mask in \'Warm Chestnut\', a nourishing hair mask that works to restore caramel tones back into colour-treated, highlighted or naturally brunette hair. Restoring warmth and radiance, the deeply nourishing mask helps to eliminate unwanted red tones, replenishing caramel colour and radiance back into dull brown hair. Creamy and nourishing, the colour care treatment contains Buriti Oil to help revive vibrancy, and Almond Butter to nourish and protect. After use, brunette hair looks rich and luminous. Can also be used to transform white hair with subtle highlight. Free from parabens, silicone, oxidant and ammonia.