Arthashastra
कटुक अलाबौ वली गते गतं अर्ध मास स्थितं गौर सर्षप पिष्टं रोम्णां श्वेती करणम् ॥
The paste, prepared from white mustard seeds which have been previously kept within a large bitter gourd and with clarified butter prepared from the milk of valli (a creeper) for half a month, makes the hair white.
english translation
kaTuka alAbau valI gate gataM ardha mAsa sthitaM gaura sarSapa piSTaM romNAM zvetI karaNam ॥
hk transliteration by Sanscript