“…According to the study by Mokabberi nejad, consuming certain herbs, such as aftimun (Cuscuta epithymum), celery (Apium graveolens), fig (Ficus carica), cardamom (Elettaria cardamomu), parsley (Petroselinum crispum), and black myrobalan (Terminaliachebula), is effective in treatment of melasma (16). Based on the database findings, all of these herbs include coumarin (17)(18)(19)(20)(21) Coumarin is a parent compound from which warfarin, a vitamin K antagonist, is derived.…”