Mishkat al-Masabih
Mishkat al-Masabih 489
Arabic hadith text
وَعَنْ عُمَرَ بْنِ الْخَطَّابِ رَضِيَ اللَّهُ عَنْهُ قَالَ: لَا تَغْتَسِلُوا بِالْمَاءِ الْمُشَمَّسِ فَإِنَّهُ يُورِثُ البرص. رَوَاهُ الدَّارَقُطْنِيّ
Translation
ʿUmar ibn al-Khaṭṭāb said: ‘Do not bathe with water heated by the sun, for it causes baras.’ Al-Dāraquṭnī transmitted it.