You cannot get that as a separate part from Honda, but it is sold on eBay from a number of vendors. No personal experience - but there have been a few threads about it on here in the past.
As for lotion - somwhat... I have a good friend who owns a shop (specializes in Subarus). Generally, the people that use lots of lotion ruin the interior touch points much faster than those that don't. Most often it is leather parts (steering wheels, shifters), but I bet it has an effect on other 'soft' things that are affected by chemicals that can soften plastics.
-Charlie
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Well at one time you could get them, occasionally they show up on ebay, or just use the aftermarket if you are handy and do both sides to match. They require door disassembly and gluing the new material on.
HondaPartsNow.com offers the great deal for genuine Honda parts, 83552TK8A01ZB. Armrest Assembly, Left Front Door Lining (Dark Atlas Gray). All parts are backed by the Honda's warranty.
www.hondapartsnow.com