So if you were to say burn your finger for a short amount of time (1-2 seconds) over a fire, what would be the best treatments for that burn?

Firstly put your finger under some cold water and light dry it with a towel. If you have aloe Vera that would be great but don’t use lotion or any other face cream/body cream because it will irritate the burn and eventually your finger. Lastly keep your finger away from anything that can harm it such as paper, once the aloe Vera dries apply more until you feel comfortable to put a band aid on your finger

Hopefully your finger gets better fast :)