Hadith 3342
´It was narrated that Anas said:` "Abu Talhah married Umm Sulaim and the dowry between them was Islam. Umm Sulaim became Muslim before Abu Talhah, and he proposed to her but she said: 'I have become Muslim; if you become Muslim I will marry you.' So he became Muslim, and that was the dowry between them."
Hadith 5373
´It was narrated from Anas bin Malik that:` The Prophet [SAW] lay down on a leather mat and sweated. Umm Sulaim got up and collected his sweat and put it in a bottle. The Prophet [SAW] saw her and said: "What are you doing O Umm Sulaim?" She said: "I am putting your sweat in my perfume." And the Prophet [SAW] smiled.