Different injection patterns of incobotulinumtoxinA for crow's feet: a split-face comparative study.
Vasanop VachiramonU SubpayasarnK TriyangkulsriN JurairattanapornTeerapong RattananukromPublished in: Journal of the European Academy of Dermatology and Venereology : JEADV (2020)
This study reaffirmed the efficacy of incobotulinumtoxinA for the treatment of crow's feet. The 3-point intramuscular injection technique yielded greater efficacy and longer duration of action than the 6-point intradermal injection technique.