Halo by Flow Neuroscience uses gentle transcranial direct current stimulation (tDCS) to enhance mood, sleep and focus. Built on the same technology trusted by over 50 000 users, Halo is based on decades of tDCS research and utilizes clinically tested hardware. By delivering precisely targeted electrical stimulation to the prefrontal cortex—the brain’s control hub for mood, focus and sleep—Halo helps calm overactive emotional centres, stabilise attention networks and support smooth transitions into deep, restorative sleep. Whether you’re seeking peak performance or recovery and balance, Halo optimises PFC activity to keep your brain in a high‑control, low‑noise state. The headset is non‑invasive and medication‑free, and every purchase comes with a 30‑day money‑back guarantee.