Botulinum toxin type A effect is usually seen 2 to 3 days following injection, with maximal effect at approximately 2 weeks. Touch-ups are not recommended until 2 weeks have passed.
John D. McCann, MD
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Articles by John D. McCann, MD
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- Facial anatomy key to optimal use of botulinum toxin
Published: September 1st 2006 | Updated:
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