Can't prevent natural surface "folding" of leather through normal use. If the outer "film" is cracked through its probably too late, I've never had that problem with my cars and I only use conditioner 2 to 3 times a year.
'11 GT Kona Blue Brembo
"Measure with micrometers, mark with a scribe, chop with an axe"
"I'm not new to driving. I've been doing it for a couple of years now." - Aphex