I've found Biotera Gel plays well with lots of other stuff. My favorite combo is to use over Re:Coil +/- Curl Keeper. A less expensive alternative is Organix Curl Cream (can't think of exact name- unlike most of their products, they have a nice curl cream that is CG friendly).

3a/f/iii
Modified CG since 11/5/11
CLEANSE: CJ Daily Fix, DevaCare No-Poo, CHS Treatment Shampoo
RO: SS Caitlin's Conditioner, CJ Beauticurls Strengthening
LI: SS Repairing Protein Treatment, CHS Silk Leave-In
STYLE: Re:Coil, Curl Keeper, Deva Ultra Defining Gel, Curls Rock Amplifier,Sweet Curls Elixirs Okra Gel and Hard Hold Gel, SS Curl Enhancing Jelly and Firm Hold Gel