It's available. You can just google it to see if there are reviews out there. Drugstore.com has a 15% off sale and it has the full list of ingredients. Runs just over five bucks and here's a list of sellers:
Seems like it will be very drying (lots of sulfates) and it does have dimethicone (which is likely helping the smoothing effect).
Most shampoos/condishes with "smoothing" in the description have a slight curl relaxing property, I've found, though I don't seek to straighten now, but rather to enhance my curl. I offer this observation from when I used to blow dry.