Bring your hair back to life with the kerastase nutritive nutri thermique masque a heat sensitive masque for very dry and sensitised hair the thermo reactive intensive nutrition masque contains a heat activated formula that helps prevent damage and dryness from heat styling products detangling and ultra hydrating the masque will penetrate into every hair strand deeply nourishing from root to tip and leaving hair with a subtle shimmer an indulgent treat for the hair the masque will ensur