“…also reported that sodium dimercaptosulfonate, a less toxic BAL salt, given as two courses of 0.25 mg oral daily for 3 days each can improve pruritus and arsenic‐induced keratoses 34 . Other case reports noted the use of 5%–10% salicylic acids in reducing hyperkeratosis suspected to be caused by chronic arsenic exposure 27,48,49 . Five case reports suggested that in presentations where there may be hyperkeratosis with concurrent cutaneous malignancies, individuals may respond well with oral retinoids such as acitretin, dose ranged 10–25 mg/day, in combination with other management strategies 23,27,47,50,51 …”