The science behind Botox centers on acetylcholine inhibition at the neuromuscular junction

https://www.scribd.com/document/1010573457/Choosing-Botox-for-Facial-Wrinkles-A-Decision-Guide-156044

The science behind Botox centers on acetylcholine inhibition at the neuromuscular junction, producing localized muscle relaxation without systemic sedative effects.