What type of study is this?

This is a Meta-Analysis study (also classified as: Systematic Review).

Botulinum Toxin A for Improving Cosmetic Outcomes in Facial Wound Healing

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Systematic review demonstrates botulinum toxin A significantly reduces scar width, indicating its potential utility in facial wound management.

Botulinum toxin A significantly improves visual analog scale scores for facial wound healing, enhancing aesthetic results.
A total of 15 studies involving 607 participants support that it effectively reduces scar width by 0.35 mm.
The systematic review followed rigorous PRISMA guidelines, evaluating both efficacy and adverse events of the intervention.
Optimal dosing of botulinum toxin A is shown to balance safety and efficacy, highlighting its favorable risk-benefit profile.

AlBilasi et al. (2025) studied this question.

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Systematic review demonstrates botulinum toxin A significantly reduces scar width, indicating its potential utility in facial wound management.