If you're balding and want your hair to grow back, then here is some good news. A new research report appearing online in The FASEB Journal shows how the FDA-approved glaucoma drug, bimatoprost, causes human hair to regrow. It's been commercially available as a way to lengthen eyelashes, but these data are the first to show that it can actually grow human hair from the scalp.
To make this discovery, Valerie Randall and colleagues from the University of Bradford in England conducted three sets of experiments. Two involved human cells and the other involved mice. The tests on human cells involved using hair follicles growing in organ culture as well as those take directly from the human scalp. In both of these experiments, the scientists found that bimatoprost led to hair growth. The third set of experiments involved applying bimatoprost to the skin of bald spots on mice. As was the case with human cells, the drug caused hair to regrow.
"We hope this study will lead to the development of a new therapy for balding which should improve the quality of life for many people with hair loss," said Randall.  "Further research should increase our understanding of how hair follicles work and thereby allow new therapeutic approaches for many hair growth disorders."
Some in the scientific community believe this discovery could be the long-awaited follow up to Viagra that middle-aged men have been waiting for. Since the drug is already approved for human use and its safety profile is generally understood, it may be a promising discovery leading to another possible way to regrow hair.