napatävyjä
Napatävyjä, scientifically known as navel lint or belly button fluff, are a common and usually harmless phenomenon. They consist of a collection of fibers, skin cells, and sometimes body hair that accumulates in the navel, or belly button. The exact composition can vary from person to person.
The process by which napatävyjä form is believed to involve the friction between clothing and the abdominal
While generally not a cause for concern, excessive or persistent accumulation of napatävyjä can occasionally lead