Image imported from derpibooru 
Original Description:
 
“SeaPonies need to keep their smooth skin in good condition, because sometimes they run the risk of barnacles growing on them. They aren’t harmful, but they can rough around the skin and grow in places that shouldn’t even have them. Novo does her best to keep her complexion in check, given her love of making herself look as good as possible, but sometimes even she can forget to get a checkup, and barnacles start popping up on her face. Thankfully, they can be removed rather painlessly, but even so, the Queen can’t go out looking like this…”