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4Alternative 1 – Botulinum toxin injection

Lower lip asymmetry can be managed non-surgically with botulinum toxin injections into the muscle every 3-4 months.

Advantages of botulinum toxin injection:

  • Non-surgical
  • Reversible if patient not happy with result
  • Can be used as a test prior to muscle resection


Disadvantage of botulinum toxin injection:

  • Non-permanent