Onabot is believed to work for migraine by blocking pain-signaling Botox® vs Botox® Cosmetic: What is the Difference? Botox Best PracticesIt is also important to tell your patients that cosmetic injectables only treat lines that are caused by muscle movements. They are both technically onabotulinumtoxinA, but each have their own FDA approvals The goal of onabotulinum toxin type A (BOTOX) injections per the PREEMPT protocol is to reduce headache frequency and/or severity that can last for a few w