INTRODUCTION
Acne vulgaris is among the most common skin diseases worldwide with a prevalence estimated to be 9.4% of the global population.1 The psychosocial impact of acne is significant and can negatively impact quality of life (QoL), especially in adolescents and teens.2 Its pathogenesis has been well established, and a variety of treatments have been developed including numerous medications and procedures such as chemical peels and lasers. Prompt initiation of treatment that is appropriate for the severity of disease is critical to avoid disfiguring scars and pigmentary changes as well as psychological morbidity.
While facial acne has been extensively addressed in the medical literature, truncal acne has been given little emphasis.3 Truncal acne poses multiple challenges both from therapeutic and quality-of-life perspectives. The larger surface area of involvement on the trunk relative to the face lends difficulty to topical treatments with respect to dosing, formulations, ease of application, and tolerability of adverse effects such as irritation due to being under clothing - all which lead to reduced compliance. It is also underreported as many patients tend not to voluntarily report their truncal acne, likely resulting in undertreatment and continued disease burden. There have also
While facial acne has been extensively addressed in the medical literature, truncal acne has been given little emphasis.3 Truncal acne poses multiple challenges both from therapeutic and quality-of-life perspectives. The larger surface area of involvement on the trunk relative to the face lends difficulty to topical treatments with respect to dosing, formulations, ease of application, and tolerability of adverse effects such as irritation due to being under clothing - all which lead to reduced compliance. It is also underreported as many patients tend not to voluntarily report their truncal acne, likely resulting in undertreatment and continued disease burden. There have also
