I also like my hair to be a little weighed down, and I rotate with Tresemme Naturals and the GVPCB as leave-ins. The TN is so cheap (like $4 for a big bottle) that I find I can use a LOT and it works well in my hair. I've also heard that the Nourishing Moisture one is similar to One C.
CG since July 2012!
3a/3b - medium porosity, medium/coarse, high density.
Conditioners: VO5, GVPCB, Tresemme Naturals
Stylers: SM Smoothie, Aussie Instant Freeze, LA Looks, Garnier Pure Clean gel, coconut oil, EVOO