Learn
Learn: guides to red light, sauna and cold
Guides, interviews and research on red light therapy, infrared sauna and ice baths from Helsi.
25 Mar 2026Light Therapy & Red Light Therapy: Benefits for Cellular Health & Well-being
Learn how light therapy and red light therapy strengthen mitochondria, promote eye health, and improve your cellular health. Tips for healthy light!
2 Feb 2026Patric Heizmann in conversation about infrared light: "No miracle cure – but a valuable tool when used correctly"
In a new interview titled "Infrared – THIS IS INCREDIBLE! How Infrared Light Works! Interview with Johannes Kettelhodt," health expert Patric Heizmann speaks with wellness expert for infrared technology, Johannes Kettelhodt. Together, they explore what infrared actually is, why the topic is often misunderstood, and how red light and near-infrared are used by athletes, biohackers, and health-conscious individuals as part of modern recovery and well-being routines.
10 Nov 2025What really happens during red light therapy? The scientific truth.
18 Jan 2024How to use red light therapy
Tips on how to get the most out of your red light therapy sessions.








