The Compendium of Caraka 8.10.24

8.10.24

pippalyaścitrakaśceti trayaste śleṣmarogiṣu&/
sakṣārakṣaudragomūtrā nātisnehānvitā hitāḥ//

pippalī, and citraka: these three [groups] are beneficial in patients with śleṣman / when containing alkali, honey, and cow's urine, and not excessively unctuous.