What causes dry and sensitive hair? There is a variety of reasons. The following are a few of the reasons: a result of rigorous and repeated brushing blow drying too much inexpertly applied perming and bleaching wind, water, light or air pollution The scale layer of your hair is open and this results in hair that is rough and difficult to disentangle. This type of hair is often lifeless and feels brittle. Hair is negatively charged. This is an important characteristic especially when it comes to products designed to treat dry hair. How to treat dry hair? Hair scales that are open and roughened lose a lot of keratin, due to the reasons described above. Keratin is a material in your hair, which is indispensable [&hellip