Henna was a form of temporary body art that female wedding guests wore in areas such as the Punjab.
Before Umbreen's wedding in 1947, Hasna performed Henna art on herself, her daughter, her future great-granddaughter Yasmin Khan and the Thirteenth Doctor. Umbreen thought the designs were poor, but Hasna had been uneasy from preparing a dead body that morning.
Yaz was still wearing henna when she returned to 2018. Umbreen saw the same designs seventy-one years later and again remarked they were very poor, but nevertheless asked Yaz if the wedding she attended was a good one. (TV: Demons of the Punjab)