Poppea's bath liquor: The secret proteome of she-donkey's milk

► Poppea was taking her bath in donkey's milk (DM) to keep her skin fresh and shiny. ► Donkey's milk is the best mother's milk substitute for allergic newborns. ► The mechanism of this tolerance probably is strictly related to protein components. ► Nowadays molecular characterization of DM concerns only the major proteins. ► This work reports the largest description so far of DM proteome.