low-porosity hair actually does fine with protein. It's usually the width of hair that will tell you how much protein you need (fine = lots, coarse = not so much)

You may need to clarify if you have buildup. Afterward I'd recommend a PT (I love the gelatin PT). You could probably use some products with protein as well in your regular routine.
fine - low/normal porosity - medium density - normal elasticity.

Currently using:
Cowash: Cure Care diluted with water 1:1
RO: Cure Care, V05 Kiwi Lime
Styler: UFD CM (old formula), FSG + CNPF
PT: IAgirl's gelatine

Experimenting with: no guar hydroxypropyltrimonium chloride, gelatin gel

Recent findings: my hair likes Cure Care diluted with water as a cowash; does NOT like guar h.c.!

iherb discount code: CFN646