Some reviewers here do not understand herbal medicine. This herbal formula is not meant to be merely a medicine to restore hair color despite its name. It got its name because of the herb he shou wu, just one of the herbs contained in it, has a reputation for improving the hair and restoring color. But Chinese herbalism is holistic and has as its aim to restore balance and health to the whole person. Graying hair, particularly premature grating is seen as a sign of imbalance and diminished health. The formulas primary goal is to increase overall health and thereby in time it often will improve the health and youthfulness of the hair as well. That particular effect might not appear for many months. To expect to see significant changes in the hair in three months or less is ridiculous. What you should look for is whether you are seeing signs of improved health such as energy, sleep, mood, digestion etc. if you want to learn more Letha hadaddys book is good. You can learn to use Chines...