Curling or straightening of your hair
Curling or straightening your hair makes you modern and stylish. However too much curling or straightening will make your hair dry and rough and you will tend to lose the moisture of your hair. Curling or straightening of hair involves putting too much heat on your hair and then using hot irons for your hair. That is bad for your hair. This is definitely the first step to spoiling your hair. Too much of chemical usage will bring down your hair.
Wearing a bun with too much of lacquer
Too much of lacquer is very bad for your hair. Though it will help you to keep your hair in place at the beginning, after a while you will find that the lacquer will tend to stick to your hair and make it sticky and unmanageable. Repeated shampooing of your hair also might not help.
Tying a very tight ponytail
Tying a very tight ponytail will also damage your hair. If you tie up your hair too tightly, then your hair tends to break loose and might fall off in bunches. Your hair must be tied loosely so that you can give enough leverage to your hair as well. A loose bun would also do the trick. Using rubber bands made of cloth or metal free elastics should be used.
Tying hair when it is wet
Styling up wet hair will definitely cause damage to your hair. Wet hair tends to break loose and it is comparatively weaker then dry hair.
Coloring your hair
Nowadays there are varieties of hair colors in the market that are used in the beauty salons or can be used at home as well for coloring your hair. However hair colors can be very bad for the hair. They ruin your hair, cause damage to the hair and also cause graying of the hair to a great extent. They also change the structure of your hair by a great deal.
Too much of shampoo and blow drying will also cause damage to your hair if done on a daily basis. In order to have good hair, one should keep the above processes to the minimum.