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Clean your piercing regularly for the first few weeks. Cleaning your piercing on a regular basis will help stimulate healing and prevent an infection. As a result, you should use a saline solution on your ears every day, and clean your piercing with soap as needed (once a day at most) for the 4-6 week healing period.
To avoid infection following ear piercing, keep the ears and earrings clean, recommends Port. Rotate the earrings, and slide them back and forth gently on a daily basis so the hole maintains its shape. Leave earrings in place for at least six weeks before changing them for a new pair. Earrings must be worn continuously for at least six months to keep the hole from closing.