Botulinum toxin is approved by NHS for use at body areas affected with hyperhidrosis. Even though many of us may want to try out other remedies instead. Botox has gained limelight mainly because of its anti-wrinkle wonders but its use for excessive sweating is increasing. The neurotoxic effects block nerve signals that trigger sweating, ultimately helping out individuals from getting rid of drenched armpits and body odour.