Garudapurana 1.176.7

1.176.7

śiro 'bhyaṅgācchirājanmayūkālikhyāḥ kṣayaṃ nayet /
navadagdhaṃ śaṅkhacūrṇaṃ ghṛṣṭasīsakalepitam //

destroys lice and nits born in the head through application as a head unguent. / Newly burnt conch-shell powder smeared with ground lead;