{Reference Type}: Letter {Title}: Prevalence of lichen planopilaris and frontal fibrosing alopecia in the United States: an All of Us database analysis. {Author}: Chen LC;Ogbutor C;Kelley KJ;Pickford JR;Senna MM; {Journal}: Int J Dermatol {Volume}: 63 {Issue}: 8 {Year}: 2024 Aug 28 {Factor}: 3.204 {DOI}: 10.1111/ijd.17274