Assuming she just touches it and immediately removes her hand, it will blister but not really be that bad and should heal just fine on its own with time.

This successfully puts the candle out! Good job, Angel. As soon as it goes out, an image of the candle appears on her tablet and remains there for five minutes. The tablet is frozen for that period of time. It goes away, but Angel's beacon has been turned on. She will attract more monsters this way, but there are probably some other effects...

The candle, meanwhile, remains unlit for the rest of the day, but will relight itself the next day.