In most cases, temporary tattoos look just like a permanent tattoo. To use them, simply lick the tattoo or use water and apply to your skin. When you have it where you want it, simply apply pressure for a few seconds. They are easy to apply, and last until you wash them off. If you decide to get a longer lasting temporary tattoo, it will last for a longer period of time. This way, you can decide if a permanent tattoo is going to be worth the investment.
All in all, temporary tattoos are easier to apply than permanent tattoos and they pose no risk to your skin or your health. Those that are afraid of needles tend to like them as well, as they give you the chance to have a tattoo without going under the needle. Before you rush out and get a tattoo, you should instead give temporary tattoos a try. They won't cost you a lot of money - yet they will give you the chance to see how you look with a tattoo - and decide if a permanent tattoo is really something you want.