KERASTASE RESISTANCE ARCHITECTE STRENGTHENING HAIR MASK - 30ML Restore health and vitality to dry and brittle hair with the Kérastase Masque Force Architecte. The rich formula of this mask has been specially formulated to reconstruct hair that is in need of a little TLC to leave your locks smooth and soft. The intensely strengthening formula targets extremely dry and damaged hair to warp every strand in goodness and leave hair feeling revived and totally renewed. IDEAL SIZE TO TAKE ON HOLIDAY