Krastase resistance bain force architecte is part of krastases resistance range of hair care products it targets weak brittle or seriously damaged hair with its complexe ciment cylane intra cylane and ceramide r pro keratin properties it is best used on a daily basis applied to wet hair and gently massaged in leave in for a few minutes before thoroughly rinsing your hair reapply and lather your hair again if needed used regularly its leaves your hair looking stronger and feeling r