Alden applies a glazing to all their Shell Cordovan shoes when they make them. It gives them the color depth and moisture Alden is known for.
No clue what the glaze is composed of. That's a trade secret.
Or Carmina/Meermin/C&J/etc which are all known for their dryer shell finishes but probably all have better finishing than AE
I actually just posted about mine elsewhere. A few light coats of coconut oil fixed the dryness for me, and I'll build up the glaze over time with wear and perhaps a bit of shoe polish.