It’s said gold was part of Cleopatra’s arsenal of beauty tools, but can a pot of face cream containing this precious metal really help your skin? Eitan Benson finds out. It’s alluring isn’t it, the idea that smearing a shiny golden cream on your face will transfer to your skin the same luxurious perfection that elemental gold seems to radiate. That this rare element, so revered throughout history, so singular in its uses in science, engineering, medicine – and mysticism – would have abilities to revitalise skin, remove wrinkles, eradicate spots, correct sun damage, to name but a handful of…