Oh! Ok, the straight part is probably damaged and
therefore could use protein. Fine hair usually likes protein.

Sounds like you might benefit from protein. Let me know how it goes.
3A, Protein Senitive, Low Porosity,
Med-Course
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
SOTC: JCNS
Love your hair: Love yourself!