From your mouth to God's ears... We are all searching.
Have you tried the Bioterra Gel from Sally's, a lot of protein free love it, the perfume smell is a bit much for me, but it may be worth a try.
After trying so many things, because I was tired of making the FSG also, I went back to the stove as I've found nothing that works as well.

Let me know how you make out.
3A, Protein Senitive, Low Porosity,
Wash: Suave Naturals Conds (excluding Coconut), CVSB
Rinse out/Leave In: GVP Cond. Balm, KCKT,
Style: Naturelle Gel(winter HG), KCCC (summer HG), Flaxseed gel
Love your hair: Love yourself!