I'm just out of experimentation ideas I guess. I feel like I've tried everything I know how to do! So I'm just letting it do it's thing. It seems to have bounced back a bit after my trim earlier today. I haven't attempted to style it since then but my hair usually takes very well to haircuts and gets progressively worse the longer I go without a trim so I'm hoping that helps out a bit.
fine, thin, normal/(low?) porosity. Mod-CG. Usually I can't co-wash more than 1x a week, & sometimes I have to use T-Gel in rotation due to scalp issues.

Co-wash: VO5 Volumizing
Poo: Giovanni 50:50
RO:TN, Nexxus Youth Renewal, Alba Coconut
PT: gelatin PT, ION EC
Stylers: Giovanni mousse, TIGI Curls Rock amplifier (a-cone), Curls Rock Strong Hold Mousse
Gels: SCC spray gel