Immediately refrain from using heat; using hair dryers is one of the worst things anyone can do to their damaged hair. One must quickly refrain from using blow dryers to fix damaged hair as it can aggravate the hair damage exponentially.
Resort to using sulphate-free hair products. Sulphates are types of chemicals used in the manufacturing of shampoos and soaps. Sulphates can increase damaged hair, which is why one should refrain from using it. A good alternative to these products are the use of natural oils and herbal based shampoos and conditioners.
Refrain from washing hair too often; it is a fact that washing hair too often will quickly dry out. Damaged hair needs to be moisturized to repair it. Hair specialists advise people with damaged hair to wash it twice or thrice a week.

Refrain from using hot water in washing hair; heat damages hair, especially if the hair strands are already brittle. It is advisable to wash hair in lukewarm or cold water. This will help fix damaged hair and add a glossy look to it.