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/TWA*
Wash: BS/ACV, KC Come Clean, Herb N' Life Royal Rinse
Conditioner:
AIA Coconut Co-Wash, Organix Sea Minerals
Pre-Poo: Oils & Honey Mix
DC: Mixed Chicks, SM Manuka Honey Masque

PT: Super Mayo Deep Conditioning Treatment , Joico K-pak
Styler:
AVG, LaBella Lots of Curls
Moisturizer: Oyin Whipped Pudding
Leave-In: KCKT
Oil/Sealant:
EVCO, EVOO