Heterogeneous crow's feet line patterns and customized botulinum toxin rejuvenating treatment.
Maurizio CavalliniMarco PapagniFederica AugelliGabriele Ferruccio MutiAdriano SantorelliMauro RaichiPublished in: Journal of cosmetic dermatology (2022)
The study confirms but somewhat modifies the previous evidence about the non-homogeneous distribution of crow's feet line fanning patterns in different age groups and reinforces the case to individualize the topography of botulinum toxin injections.