The Ritual Bath of Jumu’ah, Entering the Bathhouse, Its Etiquette, and Teachings on Cleanliness and Beautification

The Messenger of Allah صلى الله عليه وعلى آله وسلم said: "Gray hair at the front of the head is a sign of blessing, at the temples is a sign of generosity, at the hair ends is a sign of courage, and at the nape of the neck is a sign of ill-omen."