I love this stuff. My favorite way to use it is to mix it with a bit of CJ CQ or AIF and then scrunch it in my hair. I, like many others, find it too much to use straight up in my hair.

I can't answer about using it after diffusing since I don't diffuse.
Coarse texture, normal-high porosity, normal elasticity (Komaza Care), very weak waves
cleanser: Redken Fresh Curls Shampoo, CJ Daily Fix

rinse out: GVP Conditioning Balm, CJ Repair Me, CJ Smoothing

jellies/creams: CR Curl Maker, KCCC, UFD Curly Magic
gels: CJ CQ, BRHG