The maths guru has named LED face masks and vitamin C serums among her go-tos for glowing skin This week, respected mathematician and broadcaster Professor Hannah Fry appeared as a guest on the Table Manners podcast , hosted by Jessie and Lennie Ware. As well as discussing food , work, family life and maths (of course), Prof Fry talked about cosmetic treatments and revealed the science-backed skincare products she turns to for glowing skin. From a hi-tech LED face mask and Korean skincare to a