Lady doesn’t clean her belly button out properly and finds an odd lump. After investigating with tweezers, this is what she pulled out:
This black object ended up being a naval stone. According to Mirror, “Navel stones are also known as omphaloiths or umboilths and are masses made up of sebum and keratin deposition that oxidises into a solid, black accretion.”
The Dermatologist explains, “For many individuals, a direct relationship to personal hygiene has been shown: omphaloliths occur in people who are neglectful about cleaning, or are unable to clean, their umbilicus regularly.”