Things You'll Need
Goof Off, acetone nail polish remover or rubbing alcohol
Because crystal rhinestones are so small, you may find you used too much glue on them for during last craft project. Luckily, it is fairly easy to remove excess glue from crystal rhinestones. Your first course of action is to wipe away the excess with a damp cloth before the glue sets. If it's too late and your glue has already set, you can try one of three chemical removers known to be effective at removing craft glue.
Dampen the end of a cotton swab with Goof Off, acetone nail polish remover or rubbing alcohol. Dab a small amount of the remover on an inconspicuous area of the item and monitor the effects. If damage occurs, try a different remover.
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Once you have found a remover that does not damage your item, wet the end of another cotton swab with the chemical.
Gently swab the excess glue to soften it. The glue should come off by itself, but if there is quite a bit of excess, you may need to pull it off with your fingers.
Wipe the area with a damp cloth to cleanse the area of any extra chemical remover that could damage the item once it is clean and dry.
As Step 1 indicates, the chemical you choose to use could potentially damage fabrics or remove paint from surfaces embellished with rhinestones. Do not skip Step 1. Always test first!