Please choose the correct ending to complete the given sentence: Youth: [header] How to reduce cystic acne swelling [title] Apply a cold compress to the acne several times a day. [step] Wrap an ice pack, ice cubes, or a bag of frozen food in a clean towel and put it over the acne. You can also use a towel that has been chilled with cold water.

Ending1: The cold can reduce swelling and pain from inflammation. Leave the cold compress on the acne for 10-15 minutes, or until it becomes uncomfortable. Ending2: Ice cubes will help open up the pore and help open up the lower cases of the cystic acne. [substeps] Cold compresses are usually applied during the night and can be applied to acne the next morning. Ending3: For small swelling, place the ice pack at the top of your wart, just above your lip. For larger swelling, take a cold shower or bath. Ending4: [title] Try a corticosteroid. [step] Corticosteroids are acne-reducing drugs which do not respond to inflammation caused by cystic acne, but they can help with swelling associated with cystic acne.

Answer format: ending1/ending2/ending3/ending4