from his father, from Sa’d ibn Abdullah, from Ahmad ibn Muhammad ibn Isa, from Muhammad ibn Al-Hasan ibn Allan, from Ja’far ibn Muhammad ibn Yunus: (Narrator said) His father wrote to Abu Al-Hasan عليه السلام, asking him about a person in a state of janaba: "Can he dye himself or become junub while already dyed?" Imam عليه السلام wrote in reply: "I do not like that for him."