u/Dry-Enthusiasm-8037

Trying to assess the hot and cold cycling protocol on its own merits rather than through the filter of recovery product marketing. What is the mechanistic case for contrast therapy that is genuinely distinct from sauna alone or cold alone, and where does the evidence run out?

Marketing for a small roofing crew and our attribution is close to nonexistent. We ask people how they found us but that only catches maybe half and most answers are just someone recommended you which doesnt tell you much beyond that. Curious how other small service businesses handle this without a big budget behind it.