Welcome to the frontier of regenerative medicine. In Season 2 of The Barrier Chronicles, Dr. Chioma Agha-Ayorinde explores the high-stakes world of Bio-Signals. Moving beyond surface-level skincare, this season deconstructs the science of PDRN (Salmon DNA), the revolutionary messaging of Exosomes, and the longevity potential of NAD+. This is a cinematic journey into how your cells communicate, repair, and rebuild. Subscribe to decode the signal before the message is lost in the noise.