Sayyiduna Anas bin Malik (may Allah be pleased with him) narrates that the Noble Prophet (peace and blessings be upon him) specified a period of forty days for trimming the moustache, cutting the nails, and shaving the hair below the navel.
Hadith Referenceالفتح الربانی / كتاب الادب / 8181
Hadith Gradingمحدثین:صحیح
Hadith Takhrij«أخرجه مسلم: 258، (انظر مسند أحمد ترقيم الرسالة: 13111 ترقیم بيت الأفكار الدولية: 13142»
Brief Explanation
Benefits: … In this blessed hadith, the maximum number of days has been specified; the requirement of cleanliness is that a person should take care to perform this purification promptly.