Armed to the feet 🦶 Ronaldo s "black toenail polish" is actually a paint to prevent bacterial infection

Ronaldo posted a shirtless fitness photo with his son Mini Ronaldo on social media. Some fans found that Ronaldo's toes seemed to be wearing black nail polish. In response, German media's photo report said this was a special paint to prevent bacterial infection.

Reported: "Many athletes do this when wearing sweaty shoes for hours to protect their nails from fungi and bacteria. Even boxing champion Tyson does this way."

And last year, when Ronaldo posted a photo with Mini Ronaldo on social media, his toes were painted with this black paint.

Last year, Ronaldo took a photo with Mini Ronaldo gym