Update: Probably reached the limit now. The form is still up but I can assume they have reached their limit already. You can still sign up if you wish just in case!
Free of Roux Anti-Aging Shampoo & Conditioner. First 50 to complete the survey will get them. The next 50 to complete it will get samples. This offer was posted on their Facebook wall here. There is no confirmation that you are one of the first 100.