When hair is so fragile, brushing leads to breakage, you’ll want to make sure your haircare routine is as fortifying as possible. That’s where L'Oreal Professionnel Inforcer Strengthening Conditioner, infused with good-for-hair ingredients Vitamin B6 and Biotin, comes in. In addition to smoothing out and softening your hair, it instantly reduces breakage so hair is more resistant and easier to brush.