Shiva Purana
त्रपुसीसारकूटाद्भिः क्षीरेण च पुनःपुनः॥ सुतप्ततीक्ष्णतैलेन वज्रलेपेन वा पुनः ॥ ९॥
Again and again with milk from the peak of the essence of trapus Again with well-heated sharp oil or with thunderbolt ointment.
english translation
trapusIsArakUTAdbhiH kSIreNa ca punaHpunaH॥ sutaptatIkSNatailena vajralepena vA punaH ॥ 9॥
hk transliteration by Sanscript