Botulinum toxin (Botox) is a drug made from a toxin produced by the bacterium Clostridium botulinum. In large amounts, this toxin can cause botulism, an illness that affects the nerves. Botox has been used since the 1970s in the field of ophthalmology, and in the last 20 years, its use has expanded to various health scopes, especially dermatology.1,2 Botox consists of 7 types of neurotoxins; however, only toxins A and B are used clinically. Botox A is used for several disorders in the field of medicine, particularly in dermatology, for cosmetic purposes.3 The first type of Botox introduced to the market was on a botulinum toxin A. In 2002, it was recommended to be used as a cosmetic treatment for glabellar frown lines by the Food and Drug Administration (FDA).2,4,5 The second formulation of on a botulinum toxin A, which was produced in France, obtained its license to be used for esthetic purposes from the European Union in 2006 and was approved by the FDA in 2009.5,6 Botox type A has become a term used by the society to describe all ingredients used in cosmetic treatments.7