Restore health and vitality to dry and brittle hair with the Karastase Masque Force Architecte. The rich formula of this mask has been specially formulated reconstruct hair that is in need of a little TLC to leave your locks smooth and soft. Masque Force Architecte is a repairing reconstructing masque for damaged and weakened hair, at erosion level 1 and 2. The combination of Vita-Ciment® and Sève de Résurrection ensure that each fiber is deeply reconstructed, revitalized, shiny, and smooth. The hair is softer yet stronger.