I recommend 고려은단 collagen.

As I get older, my skin sags and wrinkles increase.

Since he's a man, he doesn't use cosmetics or take care of himself.

After hearing that my wife should manage it, she looked into it here and there,

I started giving them 고려은단 collagen.

Of course, men also consider stress important and their work is important, but

I realized that consistent management is more important.

Honestly, I haven't tried other collagen products much, so I'm not sure.