Masque Filler Reparateur anti-breakage and protective hair mask from the Premiere series, specially developed by Kerastase for damaged hair care, is suitable for all damaged hair types. ; It repairs over-processed hair from the inside out and protects against breakage. ; It makes hair stronger and smoother with regular use. ; Although calcium is naturally present in the structure of the hair, damaged hair absorbs this mineral 3 times more than it should whenever it comes into contact with water;