I'm low porosity and protein sensitive too. I like Tresemme naturals for my rinse out. Nice slip. For deeper conditioning I like curl junkie curl rehab. I also just started using garnier Fructis sleek and like it so far just not crazy about the smell. They're all protein fee.
3a/b, fine texture, low porosity, normal elasticity, mod-CG 7/11/11

Poo: KC Come Clean, SM Moisture Retention
CO: CJ Curl Rehab, CJ Argan & Olive Oil, Renpure Argan Oil, YTCucumbers, Sevi Pumpkin
Style: AIF, HESMU, Biolage gelee, KCCC
LOOB for second day hair

Like BS/ACV rinses, limit protein/humectants.