Sunan at-Tirmithiy كتاب الطهارة باب ما جاء فى كراهية فضل طهور المرأة
Al-Ḥakam Ibn-'Amr al-Ghifārī said that the Prophet, peace and blessings of God be upon him, advised against 1 a man performing ablution with the unused water of a woman's purification [bath]. Or he said, "...with the remaining water in her vessel ". Footnote: 1) This ḥadīth does not convey a prohibition rule, but rather cautions against an undesirable action that should be avoided when possible. Click on ḥadīth to read more