UCLA scientists have developed a molecule, PP405, that may reverse hair loss by reactivating dormant follicles. Early trials show promising results, and more testing is underway, with FDA approval still pending. UCLA genetic scientists are reawakening hibernating follicles. A UCLA-discovered molecule, PP405, may finally offer real hope for hair regrowth by reawakening dormant follicles, with promising early trial results. Ancient Egyptians rubbed their bald heads with a mixture of dates, dog’s p...