The benefits of botulinum toxin used to treat frown lines are twofold says Mark Nestor, M.D., Ph.D., of the Center for Clinical and Cosmetic Research in Aventura, Florida. Certainly, it has cosmetic benefits, but the temporary removal of glabellar frown lines can set off an emotional contagion that may improve mood.

Dr. Nestor recently spoke on the emotional benefits of botulinum toxin at the 2018 Fall Clinical Dermatology Conference held in Las Vegas this week.
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