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Glaucoma drug found to have scalp hair growth benefits

By Andrew MCDOUGALL , 13-Nov-2012
Last updated the 03-May-2013 at 10:03 GMT

Researchers in the UK may have discovered that a drug used to treat glaucoma, and has been used in regrowing eyelashes could help those who suffer from balding and are looking to regrow hair.

The new research report appearing online in The FASEB Journal shows how the FDA-approved glaucoma drug, bimatoprost, causes human hair to regrow.

Up until this point, bimatoprost has 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.

"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 Valerie Randall, a researcher involved in the work from the University of Bradford, Bradford, UK.

"Further research should increase our understanding of how hair follicles work and thereby allow new therapeutic approaches for many hair growth disorders."

Hair growth

Randall and colleagues made the discovery having conducted three sets of experiments; two of which 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 taken 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.

Gerald Weissmann, MD, at The FASEB Journal believes the discovery could be a game changer in the hair loss field, and could be developed into a sought after treatment.

"Given that the drug is already approved for human use and its safety profile is generally understood, this looks like a promising discovery that has been right in front of our eyes the whole time,” he says.

The full study can be found in the FASEB Journal here.

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