Why Does Botox Take 5 Days to Work. It takes 5 days for botox work because the botox need to reach the cellular level of the muscle to be able to block the neurotransmitters in the nerve. This is what causes the muscle to paralyse. How Long Does Botox Last? The results of botox injections will typically last for six months to a year.
To put it plainly, Botox resistance (immunity) does occur in some patients. According to those who do recognize the phenomenon of Botox resistance, the numbers are low—about 1% to 3% of patients who are injected will develop toxin-blocking antibodies. These rates were seen in studles of patients were receiving Botox for cervical dystonia.
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