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Core guides to heat, cold and PEMF. Clearly explained, with the data of our devices and the research we refer to.
Guides
Learn · InfraredInfrared saunaHow an infrared sauna works, how it differs from a classic sauna and how Helsi™ One Sauna Dome fits into your everyday life.Read
Learn · ColdCold therapyHow ice bathing at home works and what the Helsi™ Ice Plunge needs in space, power and care.Read
Learn · PEMFPEMFWhat a crystal mat is, how PEMF works and how the Helsi™ PEMF Mat is built.Read
Buying guides
Glossary
Terms explained briefly, from ice bath chiller to contrast therapy.
At a glance
How long is a session?
Common rules of thumb from our guides. How long and how often is up to you: start short and build up slowly.
From the blog
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Helsi™ Ice Plunge: Benefits of Cold Therapy with Jason GilbertHelsi™ Ice Plunge is the chosen ice bath of Jason Gilbert, who has tested hundreds of ice baths throughout his career. He highlights its precise design, consistent performance, and reliable cold immersion, making it a safe and effective solution for daily use.
Helsi™ Extends a Helping Hand to Odin Customers After Industry Pioneer Enters AdministrationHelsi™ has received an influx of enquiries from Odin customers – many of whom have expressed concern over substantial deposits made for units that may not be delivered. In response, Helsi™ is offering a discount of up to $3,500 on the Helsi™ Ice Plunge, equal to the value of their Odin deposit for a limited time. Learn more.