The Fondant Extentioniste by Kerastase is a length strengthening conditioner for slow growing, damaged hair. The fusion of Creatine, Ceramide and Maledic Acid particles penetrate the hair and seal the cuticles from tips to end, making the Fondant Extentioniste a powerful detangling and recontructing conditioner.

Together with the Bain, Masque and Serum Extenioniste, the Resistance Extentioniste line by Kerastase promotes hair growth for damaged hair. 

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