Cakradatta (Cikitsasangraha) 49.139

49.139

kaṭutailātpacetprasthaṃ dvyakṣairviṣapalānvitaiḥ .
sagomūtraṃ tadabhyaṅgāddadruśvitravināśanam .
sarveṣvapi ca kuṣṭheṣu tailametatpraśasyate .. 140 ..

One should cook one prastha of mustard oil with two akṣas [of each] combined with one pala of poison,
along with cow's urine; by massaging with it, ringworm and vitiligo are destroyed,
and this oil is commended in all skin diseases.