Did you know your skin has an age?

During filming for the upcoming episode of KBS Joy's 'Boyfriend's Hello Baby', Boyfriend were ranked according to the age of their skin.

The boys visited a skincare clinic and checked the health of their skin leading to some shocking results. Jeongmin, who initially expressed confidence in the health of his skin, discovered his skin age was the oldest among the members, while leader Donghyun, who joked he should be the new maknae,�was found to be the youngest.

The members learned tips on how to take care of their on-screen children's skin health, and sang along with Jeongmin playing the guitar to the lullaby, "Hello Song", which they wrote and composed to get closer with their children during their family camping trip.

This episode will air on the 8th at 11PM KST.