Charak Samhita
यस्य केशा निरभ्यङ्गा दृश्यन्तेऽभ्यक्तसन्निभाः। उपरुद्धायुषं ज्ञात्वा तं धीरः परिवर्जयेत् ॥९॥
If the hair of the individual appears to be unreasonably greasy then he should be considered as at the fag-end of his life and should not be treated.
english translation
yasya kezA nirabhyaGgA dRzyante'bhyaktasannibhAH। uparuddhAyuSaM jJAtvA taM dhIraH parivarjayet ॥9॥
hk transliteration by Sanscript