Anandakanda 1.16.42

1.16.42

pratyahaṃ karṇapūraṃ ca evaṃ kuryādrasāyanam /
keśā bhramarasaṅkāśāḥ śrotraṃ digantapāṭavam //

Every day one should also fill the ears [with it]; thus one should perform this rejuvenation therapy. / The hair becomes like large black bees; the hearing becomes sharp to the ends of the directions;