Science

Science-backed insights on sauna, recovery, and athletic performance.

Does Sauna Damage Hair? How to Protect Your Hair in the Heat

The short answer: A single sauna session at 80–100°C is unlikely to cause permanent hair damage in a healthy adult with untreated hair. The...

Protecting Your Hair in the Heat: The Sauna Hat Edition

The short answer: Sauna heat above 80°C damages hair by stripping moisture from the cuticle layer, weakening keratin bonds, and increasing breakage. A wool...