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Dr Rosa Sigrist, who led the study, said events of "vascular occlusion" - where filler is injected into or too close to blood vessels - although rare, can be devastating because they lead to tissue death and facial disfigurement if left untreated.
A dangerous side effect that can occur after facial filler injections
Dr Rosa Sigrist, who led the study, said events of "vascular occlusion" - where filler is injected into or too close to blood vessels - although rare, can be devastating because they lead to tissue death and facial disfigurement if left untreated.