Mahabharata 13.107.37

शिरःस्नातश्च तैलेन नाङ्गं किंचिदुपस्पृशेत्तिलपिष्टं न चाश्नीयात्तथायुर्विन्दते महत्

śiraḥsnātaśca tailena nāṅgaṃ kiṃcidupaspṛśettilapiṣṭaṃ na cāśnīyāttathāyurvindate mahat

Our plain-language meaning of this verse is waiting for scholar review.