A Comparative, Open-Label, Randomized Study Evaluating Efficacy of a Hand-Held Device Using a Combination of Vibration and Cold Versus Only Vibration in Reducing the Pain Sensation of Multiple Local Anesthesia Injections During Hair Transplant
January 2026
New to Hair Transplant? There is a guide in the encyclopedia. Read the guide → Studysummary This study found that the Leni wand device, which combines cold and vibration, was more effective at reducing pain from local anesthesia injections during hair transplant surgery than a device using only vibration, although results were obtained solely from a male participant group.
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