This clinical reference guide covers the FDA-approved indications, reconstitution protocols, dosing, off-label applications, technique principles, and patient screening criteria for Botox® Cosmetic (onabotulinumtoxinA), updated to reflect the October 2024 prescribing information. It is written for licensed aesthetic providers — MDs, DOs, NPs, PAs, RNs, and dentists — who are entering aesthetic injection practice or conducting a clinical knowledge review.

Relfydess (relabotulinumtoxinA) is a ready-to-use, complex‑free liquid neurotoxin that promises rapid onset and extended duration for glabellar lines and crow’s feet. This guide reviews the clinical evidence, practical dosing considerations, and practice‑management implications so you can decide where it fits in your neurotoxin portfolio.