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, ABS, KC Come Clean
Conditioner: Garnier WB Honey Treasures
, Garnier WB Apple & Green Tea
Pre-Poo: Oils & Honey Mix
DC: Garnier WB Honey Treasures Mask, SM 10-N-1

PT: Super Mayo Deep Conditioning Treatment
Styler:
KCCC, Eco Styler
Leave-In: KCKT, Garnier WB Coconut & Cocoa Butter LI
Moisturizer:
Whipped Shea Butter
Oil/Sealant:
EVCO, Jojoba