Not only will the juice of this plant soothe a burn, it will actually heal it.
Don't buy the aloe crap they sell you in a store; all the essential ingredients have been processed out. Get an aloe plant, and the next time you burn yourself (or get a sunburn) rub the juice of a live plant on the area every 15 minutes for a couple of hours. You will be surprised at how quickly the problem disappears.