Hi folks!
I know it's beaten subject but wanted to share what worked for me better than anything else. I ride about 30 miles of the Lake Shore Bike Trail almost daily, including winter. Chicago weather gets wet and the salty spray from the road hits the road bike saddle from beneath and above, so daily saddle care is a must. Here's what works for me better than Proofide: Weekly application of a thin layer of Obenauf's Heavy Duty Leather Preservative (LP) for waterproofing and daily application of a very thin layer (a few drops) of Farnam "Leather New" Liquid Glycerin based soap for cleaning and brilliant, glossy shine. Both components are 100% natural and work like a charm keeping my saddle in a like-new condition, despite the harsh riding environment. I was using Proofide before but the two make my saddle feel and look better. Not to mention that the two components will probably last for life.. :-)
Happy riding!