Use of a vibration tool to reduce pain from growth factors injection in the treatment of androgenetic alopecia: a randomized controlled trial
Objective: local anesthetics (cream or tape) are often used to reduce pain associated with injection procedures, but might not be sufficiently effective or applicable when treating the scalp for androgenetic alopecia with growth factors injection. The aim of this randomized controlled trial was to determine whether the application of microvibratory stimulation during scalp injection would decrease pain reported by patients. Methods: fifty consenting patients scheduled to undergo growth factors injections for the treatment of androgenetic alopecia were recruited.