nuNAAT NAAT CREAM Brazilian Keratin. nuNAAT Deep Conditioning Hair Cream for Hair Reconstruction contains brazilian keratin that helps fortify and regenerate hair fibers, restoring shine, softness and flexibility and making hair sturdy and healthy for extended periods of time. Hydrolyzed Keratin Protein goes beyond the cuticle to penetrate the hair shaft,where it strengthens all three layers of the hair follicle, making it the best choice for dry, frizzy hair, as well as those experiencing loss of hair mass.