Cure for baldness? - Video on msnbc.com A report published Wednesday in Science Translational Medicine demonstrated that blocking a prostaglandin receptor present in bald scalps allows hair to grow. that a baldness cure would be the holy grail of medicine. that so many men would be willing to pay the price, it would make some inventor or company or both very rich. now scientists are reporting a big clue in the terms of bald men and laboratory rice. they have pinpointed a protein that triggers hair loss . for now, good news for male mice with thinning hair. but for humans, this could lead to a cream or medicine to prevent baldness in the next five years and also how this would apply to women with thinning hair.