It's also good to know what not to use in "restoring", "repairing", or "cleaning" an original dash pad. Don't use any solvent based cleaner: acetone, thinner, alcohol, etc. I've used a couple of them to get a stain off, but wiped the liquid off in a minute or less, and then washed with a spray cleaner (409, etc). "Armor-All" was another one. I'll say - "mixed results", and let the user "beware". On my shelf is a container of "saddle soap". I think that's what I used (about 15-20 years ago).
Jim