It’s been almost 4 years since the last update on our “daily driver” end grain cutting board.  This board was made in October 2014 so it’s just over 4 years old.  Here’s how it looks now:

And here’s how it looks after spending a few minutes rubbing in some of our board cream  (mineral oil/beeswax mixture) and buffing it off:

Yes, you can still see some of the heaviest cuts, but it looks so much better.  Oil/board cream is mostly a cosmetic thing but it does protect from moisture/juice soaking in somewhat as well.  You can apply either product whenever the board starts to look “dry”.