(23) بَاب نَهْيِ الرَّجُلِ عَنْ التَّزَعْفُرِ
Anas b. Malik reported that Allah's Apostle (may peace he upon him) forbade dyeing (one's cloth or hair) in saffron. Hammad said that it pertains to men only.
Reference: Sahih Muslim 2101 a
In-book reference: Book 37, Hadith 121
USC-MSA web (English) reference(deprecated numbering scheme): Book 24, Hadith 5241