After their baths, they would then apply face whitener, such as chalk powder,[20] white marl, crocodile dung and white lead.[7] The Roman recognition that lead was poisonous underscored their point of view on how important white skin was. Other ingredients used in whiteners included beeswax, olive oil, rosewater, saffron,[3] animal fat, tin oxide, starch,[21] rocket (arugula), cucumber, anise, mushrooms, honey, rose leaves, poppies, myrrh, frankincense,[7] almond oil, rosewater, lily root, water parsnip and eggs.[8]