Please choose the correct ending to complete the given sentence: Youth: [header] How to shrink pimples [title] Ice the pimple. [step] Ice reduces swelling and redness in any kind of inflammation, and icing a pimple for one to two minutes can reduce both size and redness. Ice is especially helpful for shrinking cystic pimples that are deep under the skin.

Ending1: Create ice by heating a pack of ice cubes in a heatproof freezer bag. Cover the entire pimple with ice for about 10 minutes. Ending2: Be careful, though: applying ice directly to the skin can cause damage, especially to the face. Always insulate the ice with a thin cloth or paper towel, and do not leave the ice on for more than two minutes. Ending3: [substeps] Ice contains the ingredients carbamide (lanolin) and pretosperm. [title] Feel for a bulge on your face. Ending4: [substeps] Go to your local pharmacy or drugstore and order an ice pack. Apply the ice pack immediately to the mole for about 15 seconds.

Answer format: ending1/ending2/ending3/ending4