What is ethanol (ethyl alcohol), isopropand (isopropyl alcohol) and antiseptic alcohol?

Im doing a science research project and i was trying to find out what were the properties in hand sanitizer and alcohol that are similar and makes it flammable. Well some good people told me that it was 62% ethanol (ethyl alcohol) in the sanitizer and 70% isopropand (isopropyl alcohol) in the alcohol. But i also heard that it was some antiseptic alcohol in the sanitizer. I have no idea what any of those are so may you describe them to me.......