Botulinum toxin injections may improve scarring

Long lauded for its ability to reduce the appearance of wrinkles, botulinum toxin is now being considered for reducing scarring.
By using botulinum toxin to denervate underlying muscle and immobilize tension―which increases inflammation, fibrosis, erythema and scar size―scarring can potentially be reduced, say researchers writing in a review published in the Journal of Drugs in Dermatology.
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