Hair loss is a typical symptom of protein deficiency, so using protein supplements — which include keratin — could strengthen hair health and fitness in those people who are deficient. Other than this, not much is understood about the effects of protein, keratin, and natural vitamins on hair well being. https://losshairtreatmentathome85284.anchor-blog.com/12970607/the-fact-about-loss-hair-regrowth-that-no-one-is-suggesting