It's available. You can just google it to see if there are reviews out there. 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.
Natural since 11/25/09
Then: fine, superdry, non-elastic, porous
Now: medium, dry, elastic, lower porosity, BSL

Curl Junkie Conditions!
Eden BW Cleansing Condish Rocks!

~CJ Protein Tx
; BEE-U-Ti-Ful Deep Condish
~SMasters Method; Pixie-curling
Dumped clumps for VOLUME!

Marchioness Mir, Magister of Moisturization & Mystic of the Lofty Crown in the Order of the Curly Crusaders