Nails are made of keratin, which is derived from epidermal cells in the body. Epidermal cells are constantly undergoing metabolism from birth to death. As long as new keratin is produced, the nails will be pushed outward. Therefore, the nails will continue to grow.
Interweaving of light and shadow
Oh, your hands look so pretty. They are also white and pretty.
distant kite
Bashi, there is still a lot of knowledge imparted by the official, hahaha, a little common sense every day hahaha
Whispering breeze
Xixi