If you want to have Eva Longoria's L'Oreal hair commercial, just do to the following:
1. go to this address: eva-longoria.net/forum/showthread.php?t=97
2. In order to download the commercial, you have to register on the website (it's free).
3. Once you're registered, just download the commercial and then you're all set.
I have to say that Eva has a great mane on her head. It looks very full and soft! Great commercial!