Many of us have observed that taking calcium seems to improve nail quality. Remember that calcium and other minerals don't absorb well unless the stomach is making sufficient hydrochloric acid and, that as we grow older, more and more of us have underacidity problems. For a few of us, too much zinc and too little copper can result in hair loss. Although this situation isn't common, it should be checked for when the more usual answers aren't working. Women and men have both estrogens and androgens.
Androgens are principally responsible for stimulating hair growth in both sexes.
As women have only comparative traces of testosterone, no beards grow, but as is obvious from other body hair, women's bodies have larger quantities of other nontestosterone androgens. Usually, DHEA stays relatively high until the mid-30s, when levels begin a gradual descent toward very low in extreme old age. Improving prematurely low DHEA is accompanied by regrowth of normal head and body hair, and coincidentally for many women, an improvement in libido. Natural Solutions for Healthier Hair, Skin and Nails Essential Oils - Useful for many hair and skin problems or to keep them healthy and glowing. If you have a medical problem, you should consult your medical doctor.