<p>You should check out the <strong>AutoVega</strong> <a href="http://www.autovega.in/instashine.html" rel="nofollow">InstaShine</a> product.<br /> Meanwhile all car-dealers will probably do 3M or Dupont 'teflon' coats. </p> <p>Do check out how often it needs to be redone and what are the effective maintenance costs while comparing different products. Look at InstaShine notes as a reference on what to expect.</p> <p>^{I was surprised to see AutoVega pages discouraging teflon coating with environment hazard reasons when most other places talk about there being no teflon in the coat at all.}<br /> (ref: <a href="http://www.finishing.com/152/28.shtml" rel="nofollow">4 pages of discussion over the last few years here</a>).</p> <p>If you need to get into details on detailing -- <a href="http://detailingwiki.com" rel="nofollow">DetailingWiki</a> page on <a href="http://detailingwiki.com/index.php5?title=Polymer%5FSealants%5F%28Rev%29" rel="nofollow"><strong>Polymer Sealants</strong></a>. </p> <p><hr /></p> <p>To summarize compare products on these three points</p> <ol> <li>What is the price</li> <li>How often would you need to redo it</li> <li>What is the technology<br /> (how they describe it, how you think it will help and what is your gut feel about it)</li> </ol>