Ashtangasamgraha 49.91

49.91

ekāntaraṃ tauvarakañca tailaṃ pibeddhitāśī niyamena māsam |

prabhinnakoṣṭho galitāṅgadeśastvacaṃ tyajet sarpaivāśu jīrṇam ||

One eating wholesome food should drink the tuvaraka oil according to the regimen on alternate days for a month;
with purged belly and peeling body parts, he will quickly cast off his skin like a serpent its worn-out slough.