We spoke to experts for insight on each type of hair damage, the common causes, and how to reverse (or at least minimize) it. You don't need a microscope to spot split ends. A few telltale signs ...

you need to identify the style that is best for your hair type. For fine and damaged hair, a straightener with adjustable settings is best. Being able to turn down the heat on your styler will ...

or masks—that promise to repair or bond damaged hair. Keratin is one such protein that often shows up in these types of treatments, in addition to collagen and varying mixes of amino acids.

When we speak about hair being “damaged” (either by excessive heat, chemical processes and colouring treatments), we’re actually referring to these bonds being broken. There are three types ...