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 & radiance, the deeply nourishing mask helps to eliminate unwanted red tones, replenishing caramel colour & radiance back into dull brown hair. Creamy & nourishing, the colour care treatment contains Buriti Oil to help revive vibrancy, & Almond Butter to nourish & protect. After use, brunette hair looks rich & luminous. Can also be used to transform white hair with subtle highlight. Free from parabens, silicone, oxidant & ammonia.