I didnt read through the rest of the posts, but have you low pooed? That may help to get rid of build up. (apologize if this was already suggested)
2b, fine texture, normal porosity & elasticity (CG as of 12/2011)

Low-poo: UFD Rich & Funky
Cowash: VO5 Kiwi Lime
RO: Tresemme Naturals, Aubrey Organics GPB, Ion Effective Care, MillCreek Keratin
PT/DT: IAgirl's PT, GVP CB
LI: KCKT, Cure Care, CJ CCCC Lite
Styling: Curl Keeper, As I Am Jelly, UFD Curly Magic, CJ Curl Queen, TIGI Strong Hold Mousse


http://public.fotki.com/kdawn12/


^^ day 1 of going CG; avatar = 6 months later