Charak Samhita
संस्वेद्य नासामुन्नम्य वामेनाङ्गुष्ठपर्वणा। हस्तेन दक्षिणेनाथ कुर्यादुभयतः समम्॥१०२॥
Hence, a reclining patient for proper purification should be administered fomentation to the head.
english translation
saMsvedya nAsAmunnamya vAmenAGguSThaparvaNA। hastena dakSiNenAtha kuryAdubhayataH samam॥102॥
hk transliteration by Sanscript