Practitioner drawing normal saline into syringe to reconstitute botulinum toxin vial showing reconstitution technique in clinical setting

Reconstituting Botulinum Toxin: Saline Volumes, Concentrations, and Technique

Reconstitution is the most frequently performed technical step in botulinum toxin practice, and one of the least frequently standardised. Most practitioners develop a reconstitution habit early in their career and repeat it indefinitely — often without a clear rationale for the saline volume they use, how it affects the dose per injection point, or how concentration influences clinical spread.