“…Multiple treatments have been described in the literature: 20% aluminum chloride hexahydrate, 20% urea creams, salicylic acid preparations, antihistamines, acitretine, iontophoresis, and botulinum toxin A. There are four cases of AK successfully treated with botulinum toxin in the literature (Diba, Cormack, & Burrows, ; Bagazgoitia, Pérez‐Carmona, Salgüero, Harto, & Jaén, ; Houle, Al Dhaybi, & Benohanian, ; Poletti& Muñoz‐Sandoval, ). Among them 2 were women and 2 men between 18 and 60 years old, all of them sporadic cases without family history or drug intake.…”