You should also be wary of practitioners that advertise cheap 'Botox' procedures. The products they are using may not be Botox or other licensed brands of botulinum toxin at all.
They could be using unlicensed alternatives that have not gone through the same rigorous safety checks that Botox and other brands such as Bocouture, Azzalure, Letybo and Nuceiva have.
Always ask your healthcare professional to confirm exactly what brand they are using before undergoing treatment.