Excessive brushing and tearing of the hair
(this can also come from constantly pulling it back in rubber bands).
Too much heat-thermal treat.
too much blow drying, Flat ironing, Curling Ironing and any other
over thermal work is very high damage for hair.
Sun UV damage
Skin isn’t the only part of your body that needs protection from UV rays. Summer sun worshipers are especially at risk for hair damage, but UV rays damage your hair every time you step outside into daylight-even in the winter. No, you don’t need to wear a hat everywhere you go, but definitely be conscious of the sun’s rays and cover up if you’re going to be out in the sun for a while.
Over Chemical Damage = Over-perming Over-coloring
pretty much everything causes to damage to your hair…