Lack of efficacy of oral N-acetylcysteine in the treatment of facial melasma in women: a randomized, double-blind, placebo-controlled clinical trial Melissa de Almeida Corrêa Alfredo, Ingrid Rocha Meireles Holanda, Daniel Pinho Cassiano, Ana Cláudia Cavalcante Espósito, Paula Basso Lima, Hélio Amante Miot

Expression of OPN3 in fibroblasts, melanocytes, and keratinocytes of skin with facial melasma in comparison with unaffected adjacent skin Ana Cláudia Cavalcante Espósito, Nathália Pereira de Souza, Luciane Donida Bartoli Miot, Hélio Amante Miot

Expression of the aryl hydrocarbon receptor (AhR) in facial melasma skin compared to healthy perilesional skin Carolina Nunhez da Silva, Tony Fernando Grassi, Hélio Amante Miot, Ana Cláudia Cavalcante Espósito