What are the effects of long term Botulinum toxin injections?
It's been more than 30 years since Botox received US FDA approval for treatment of wrinkles. Since then, what do we know about getting repeated botulinum toxin injections when the effects wear off? One study looked at identical twins- one received regular Botox and another who did not. A look at the outcomes and the long term safety of repeat Botox injections in this review.
