Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to treat wax burns [title] Submerge the burn in cold water for up to 20 minutes. [step] The first step with a wax burn is to cool the skin. Fill a sink, bathtub, or wash basin with cold water and soak the burn for at least 5, but preferably closer to 20, minutes.

Ending1: [substeps] If the burn is on your face, soak a towel in cold water and apply it to your face. You can also use an ice pack to cool the burn. Ending2: Do not remove the burn right away, as this could result in further scarring. [substeps] If the burn does not disappear within a couple of minutes of submerging it, apply a layer of petroleum jelly or melted wax. Ending3: The colder the water is, the deeper the burn will be. [substeps] If the burn is on tissue other than your skin, it may be more serious than a wax burn. Ending4: [title] Wipe away as much as possible with a paper towel. [step] To make your wax burn more permanent, you'll need to remove as much wax as possible from the surrounding skin.

Answer format: ending1/ending2/ending3/ending4