Don't Judge a Book by its Cover. 'Steroid Acne': an unrecognized role of Malassezia and Demodex?

Glucocorticoids may cause inflammatory lesions on the face and trunk, often referred as "steroid acne".1 Clinical presentation -similar to folliculitis- and limited efficacy of common anti-acne treatments have led us to consider the pathogenic responsibility of infectious agents such as Malassezia and/or Demodex.2-4.