article_snippet: Side-effects include short-term swelling, bruising and numbness .
article_snippet: They include short-lasting swelling, bruising and numbness that was found to be 'mild to moderate', according to dermatologist Adam M. Rotunda.
article_snippet: Fleeting pain at the site of the injections was also reported.
highlights_snippet: Side effects include short-term swelling, bruising and numbness .
  