CJ Beauticurls Leave In is protein free also. I have never used their line but heard this product was really good. Also I used to buy the more organic conditioners like Aubrey Organics, Nature's Gate, and use these as leave-in's.
*Natural 3C*
Wash: Liquid African Black Soap, BS/ACV
Conditioner: SM SB, YTCarrots, Organix Coconut Milk
Pre-Poo: Honey & EVOO
DC: AOHR
PT:
Super Mayo Deep Conditioning Treatment
Moisturizer: CURLS Souffle
Leave-In: KCKT
Gel:
KCCC, Eco Custard
Oil/Sealant:
SB, EVCO, EVOO