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/FroHawk*
Wash: BS/ACV, Bentonite Clay, KC Come Clean
Conditioner:
SM Raw SB
Pre-Poo: Oils & Honey Mix
DC: SM Raw SB DT Masque, AOHR

PT: Super Mayo Deep Conditioning Treatment
Styler:
KCCC, AVG
Leave-In: KCKT
Moisturizer: KBB SD Hair Cream
Oil/Sealant:
EVCO, EVOO, Whipped Shea Butter