Rasarnava 11.169

11.169

gandhakaṃ naralomāni lākṣāyāḥ paṭalaṃ kramāt
ūrdhvaṃ prasārya saṃsthāpya sūtrairvartiṃ tu kārayet //

Spreading out in order sulfur, human hair, and a layer of lac,
placing them upward, one should make a wick with threads;