I have washed my hair at least once a day (often twice) for the past 50 years with no issues. My hair is fine. Ignore the people that tell you differently.
Yes it can. Drink at least 3 cups of coffee everyday, and cut out some of the unhealthy/greasy foods.
Greasy hair is natural, but some people have it worse than others. Try washing your hair more, but try to avoid washing it everyday as this causes it to produce more grease
Because,they are greasy
Yes, you should wash your hair if you are sweaty. Washing your hair is on an "as needed" basis. If your hair is greasy or sweaty you need to wash it.
It can make your hair dry out because you may be washing out some good oils that keep your hair shiny and healthy. If your hair seems a little greasy in between washings ( every other day) try using less hair products or even just brushing it with water on your brush no shampoo needed
Start with washing it. :-D
the causes of greasy hair are, not washing your hair often enough. and using to much conditioner. WASH UR GREASY HAIR!
crunchy, salty, greasy, and unhealthy
Whenever your hand is dirty or greasy
Because it will get greasy quicker
Yes they can get greasy via natural oils or greasy hair products. This can be helped by washing them with cold water and using skin products meant to help oily skin.
A home remedy for greasy hair is shampoo. Washing the hair can get rid of all that grease and build up.