Are you in a cold climate? It's probably just the dry air in the winter time. There are so many moisturizing conditioners I can't name just one. Maybe try Cure Care from Sally's. That stuff is so moisturizing I almost can't use it.
2b/c wavy modified CG since July 2012
medium texture, normal porosity, normal elasticity
hair likes protein, doesn't like oils, easily OC'd

low poo: JCHCC, CJGCS
RO/co-wash/LI: YTCarrots, DB Pumpkin Seed
stylers: a bunch of stylers that are all pretty much the same (KCCC, UFDCM, CRCM, CKCJ) or ArcAngel if I need more hold