I'd have to look up the ingredients. But I'd say to add a more moisturizing conditioner. Have you tried Tresseme Naturals moisturizing conditioner?
3b/c, medium-coarse, low porosity, low density
HG: Jessicurl Too Shea and Kinky Curly Curling Custard
Shampoo: nonsulfate shampoo and Suave Naturals sulfate shampoo when needed