so it’d be a circular area around the belly button," Lipner explained. Nummular eczema, also called discoid eczema, is a type of eczema rash that shows up in a distinctive round pattern.

Rubbing castor oil in the belly button is not new, but it has gotten a lot of buzz on social media for its supposed benefits. Proponents of the practice, also known as navel pulling, claim that it ...