The Compendium of Bheḷa 8.2.10

8.2.10

dhūmaṃ ca sarvagandhānāṃnatakuṣṭhavivarjitam | dhūmavartiṃ pibettāvacchreṣṭhaṃ śīrṣavirecanam ||

And smoke of all aromatic substances, excluding nata and kuṣṭha; / he should inhale that smoking stick, which is the best head purgative.