Vaisesika Sūtra 6.2.05

यदिष्टरूपरसगन्धस्पर्शं प्रोक्षितमभ्युक्षितं च तच्छुचि ॥५॥

That which possesses the desired form, taste, smell, and touch, and has been sprinkled with water and anointed, is considered pure.