Botulinum toxin beyond aesthetics in dermatology

Botulinum toxin is a purified protein that was first used in the 1970s for strabismus, a non-cosmetic indication. Increasing knowledge and understanding of the product has led to its use for various indications other than cosmetic ones. It is used in many fields of medicine. This review aims to present the various indications beyond aesthetics in the realm of dermatology with its postulated mechanism of action for which the toxin has been used with success and the technique of administration for a few common dermatological indications.