Ecamsule a broad-spectrum UVA sunscreen for use in sunscreen products.Ecamsule reduces biological damage induced by solar radiation, such as pyrimidine dimer formation, accumulation of p53 protein or expression of collagenase 2.Ecamsule has the potential to be studied in the study of polymorphic skin rash (PMLE).Ecamsule has been shown to be effective in the study of polymorphic skin rashes (PMLE).Ecamsule has been shown to be effective in the study of polymorphic skin rash (PMLE).