Botox is a brand of botulinum toxin type A; other brands exist, but units are not interchangeable and dosing differs.

https://trentonovsw950.timeforchangecounselling.com/botox-injections-vs-fillers-key-differences-explained

Botox is a brand of botulinum toxin type A; other brands exist, but units are not interchangeable and dosing differs.