your body needs cholesterol but in the correct amounts. if you have too much bad cholesterol it can clog your arteries and your blood can't get thru. it is also not good to have low good cholesterol. everything in your body is in balance if you are healthy. my body makes bad cholesterol so i am on medication. your hair has cholestrol and so does your fingernails. eat healthy, if you are worried see your doctor, there are simple blood tests you can have that will tell you if you need to take medicine. Usually that is just for us old folks!