Boost shine and banish split ends with Kérastase Resistance Masque Extentioniste, an intensive hair masque that nourishes brittle and damaged hair.\n\nEnriched with Creatine R and Maleic Acid, the restorative formula helps to repair bonds within the hair structure to improve strength and elasticity.\n\nThe conditioning masque seals the cuticle to protect against further breakage, whilst moisture is replenished to the scalp for long-lasting hydration.\n\nExpect visibly shiny, silky and reenergised results.