There are many reasons that cause skin damage. Some skin damage is a result of our own doing, and some are out of our control. Common causes of skin damage include sun damage, harsh skincare creams or salon procedures, scars from picking blemishes and clogged pores as well as environmental factors such as heat, lack of humidity, pollution, and wind.
Here are a few tips one can follow to take care of your already damaged skin.

Ref:  Doctor NDTV