One type of lube that I've now ruined *two* expensive Vixskin toys with (so I'm really 99% sure this is the issue): J-Lube
. J-Lube is interesting stuff (and definitely your cheapest choice if you want to schedule lube-wrestling matches
, but it causes Vixskin to deteriorate (slight tears and bubbles noticeable, and the whole surface becomes tacky, still is a year later).
I've never had trouble with oil-based lubes, including Vaseline and Shaft