She is to be washed twice with lote-tree leaves, and the third washing with water and camphor.
حدثنا هدبة بن خالد حدثنا همام حدثنا قتادة عن محمد بن سيرين أنه كان يأخذ الغسل
يغسل بالسدر مرتين والثالثة بالماء والكافور
No references are available.
Chain of transmission is daif. See no. 3142. Bayhaqi (3/389) also narrated it from the hadith of Abu Dawud through the same chain. Qatada narrated with "an" (indicating a possible missing link). No. 3142 suffices in place of it.