´It was narrated from Safiyyah bint Shaibah, from Umm Salamah, the wife of the Prophet, that the Prophet said:` "The woman whose husband has died should not wear clothes that are dyed with safflower or red clay, and she should not use dye nor kohl."
Hadith ReferenceSunan an-Nasa'i / The Book of Divorce / Hadith: 3565
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده حسن