It was narrated from Umm 'Atiyyah that the Prophet said:
"It is not permissible for a woman who believes in Allah and the Last Day, to mourn for anyone who dies for more than three days, except for a husband; she should not use kohl, dye nor wear dyed clothes."
Reference: Sunan an-Nasa'i 3536 In-book : Book 27, Hadith 150 English translation : Vol. 4, Book 27, Hadith 3566
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