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While it was appropriate to clean your piercing equipment and skin with rubbing alcohol prior to piercing, it can dry out your new piercing now. A saline solution is gentler and won't dry the hole out. You can purchase a saline solution at the drug store, or make your own. Try to physically let your pierced body part soak in the solution, like in a shallow bowl or cup. If you're unable to do this, use a tissue or Q-tip to apply the solution to the piercing. If you choose to make your own solution, use non-iodized, fine-grain sea salt. Some grocery stores stock this with the regular table salt, or you may need to buy it online. Mix 1/4 teaspoon of salt into one cup of filtered or bottled water. Reduce the amount of salt if your skin becomes dry. It can be tempting to fiddle with your new jewelry, but this greatly increases your chance of infection. Try not to touch it at all, unless you're doing one of your daily cleanings. Never touch your piercing at all unless your hands have been thoroughly washed.
Clean your ear piercing with a saline solution. Avoid touching your piercing.