If your hair is fine, you need protein. I've never met a fine haired curly that is protein sensitive. Especially if you're porous too! Protein will fill in the holes in your hair cuticle & give your hair strength & structure it lacks on its own.

I agree you need to be using a better RO condish & KCKT as an LI. I use Tresseme naturals and when I need protein, ION effective care. Also love nexxus youth renewal.
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