The present disclosure is in relation to a herbal cleansing composition comprising extracts from five plants namely Emblica officinalis, Terminalia chebula, Terminalia bellerica, Glycyrrhiza glabra and Azadiracta indica. Further, the present disclosure also relates to a process of obtaining said composition and applications thereof, wherein the composition is preferably used as an oral wash for delaying the onset of oral mucositis in cancer patients undergoing radiation treatment.