Yahya related to me from Malik that as-Salt ibn Zuyayd said, "Iasked Sulayman ibn Yasar about a liquid I discovered. He said, 'Washwhat is under your garments with water and forget about it.' " (FR)
USC-MSA web (English) reference: Book 2, Hadith 59 (FR)
Arabic reference (FR): Book 2, Hadith 89 (FR)