Why Your Hair Turns Gray (And How to Stop It) | Dr. Yaron Fuchs x Ben Greenfield

Full show notes - https://bengreenfieldlife.com/prologue In this episode, stem cell scientist Dr. Yaron Fuchs reveals how an accidental lab finding, a compound that turned every hair white, led to Prologue, a peptide serum built to help you keep the natural hair color you still have. You’ll hear why hair goes gray in the first place, how the stem cells that run your pigment “factory” decide whether to live or die, and how his team shrank a large protein into six peptides small enough to reach the follicle. You’ll also learn the surprising story behind finasteride, from castrated men who never