How about one of the Tresume naturals conditioners, unless you've already tried those?
2c/3a, dense, fairly coarse, normal porosity and elasticity, bsl curly, WL wet
Low poo: Giovanni 50 50
Co-wash: down under naturals, tresume naturals
LI: Giovanni Direct, Desert Essence curl cream
Stylers: kccc, HE smu, brhg
Oils: coconut, argan or evoo