Bee Mine deep conditioner is protein free.

Curl Junkie Banana Hibiscus Deep Fix moisturizing conditioner is also protein free.

Beautiful Curls, Shea Butter Deep Conditioning Treatment, For Curly to Kinky Hair, 8 oz (235 ml) - iHerb.com is also protein free.
Originally Posted by Aqua_Lily
Actually, CJ Banana Hibiscus Deep Fix has protein:

Distilled Water (infused with Hibiscus Rosa Sinensis Linn (Hibiscus) Petals), Aloe Barbadensis (Aloe Vera) Leaf Juice, Cetyl Alcohol, Cetearyl Alcohol, Behentrimonium Methosulfate, Honey, Butyrospermum Parkii (Shea Butter) Fruit, Panthenol, Musa Sapientum (Banana) Fruit Extract, Hydrolyzed Oat Flour, Plantago Species (Plantain) Leaf Extract, Olea Europaea (Olive) Oil, Astrocaryum Murumuru Butter, Helianthus Annuus (Sunflower) Seed Oil, Persea Gratissima (Avocado) Oil, Macadamia Ternifolia (Macadamia Nut) Seed Oil, Theobroma Grandiflorum (Cupuacu) Seed Butter, Citrus Aurantium Dulcis (Orange) Peel Wax, Disodium Cocoamphodipropionate, PEG -7 Olivate, Disodium Cocoamphodiacetate, (Vegetable) Glycerin, Guar Hydroxypropyltrimonium Chloride, Phenoxyethanol, Caprylyl Glycol, Tetrasodium EDTA , Fragrance.
*Vegetable Derived

If the OP wants low protein (as the title says) it would probably be fine, if her hair likes hydrolyzed oat flour.
3a (Corkicelli), highlighted, fine, low porosity
modified CG, since April '07
CG since 3/11/08

SE PA

HGs: Anything Sevi; Curly Kinks Satin Roots, Curlycue ReNew and Coil Jam; homemade FSG and okra gel; soap bars; UFD Curly Magic (now Hello Curly Curl Stimulater); Botanical Spirits Jellies, CJ Repair Me, Aloe Fix and CCCC