Preventative Botox has been getting lots of buzz. “It can potentially have a preventive effect on dynamic wrinkles, which are caused by underlying muscle movement,” Shah explains. “That being said, muscle movement is only one factor that contributes to the development of wrinkles, so Botox may not be completely preventive.” (Some other wrinkle causes: sun exposure, smoking, and diet.)
Spread of toxin effects. The effect of botulinum toxin may affect areas away from the injection site and cause serious symptoms including: loss of strength and all-over muscle weakness, double vision, blurred vision and drooping eyelids, hoarseness or change or loss of voice, trouble saying words clearly, loss of bladder control, trouble breathing, and trouble swallowing.