research Sclero-Atrophic Reaction After Botulinum Toxin Injection April 2016 in “Journal of Clinical Research in Dermatology” A woman had skin and hair issues after a botulinum toxin injection.
research Scalp Biopsy and Diagnosis of Common Hair Loss Problems 2 citations, July 2013 in “InTech eBooks” Scalp biopsy helps tell apart permanent and temporary hair loss types and guides treatment.