Living ThroughEVIDENCE FILE / INFRARED & INFLAMMATION
Maybe in certain situations, but the answer isn't as simple as “heat goes in, inflammation goes down.” Let's separate the comfort of warmth, laboratory biomarkers, and the evidence for CRPS.
THE MAIN DISTINCTION
I have personally found infrared sauna sessions valuable for pain and comfort. That report is real. It doesn't establish what happened to inflammatory cytokines or nerve inflammation inside my body.
Inflammation isn't a single substance that gets “flushed out.” Research may measure markers such as C-reactive protein (CRP), interleukin-6 (IL-6) or TNF-α. These markers can change for different reasons, and an individual result doesn't always explain a person's pain.
Comfort, warmth and perceived pain relief after sessions. A first-person observation.
Heat changes local temperature, blood flow and thermoregulation. Responses depend on the exposure.
Relevant outcomes, comparisons, safety and durability in the correct patient population, ideally people with CRPS.
RESEARCH DESK / PUBLICATIONS
A review of passive-heating interventions, including different sauna and hot-water protocols, did not find a statistically significant pooled effect on CRP, among most measured outcomes. The trials were not a proof-of-efficacy evaluation of Sunlighten saunas for CRPS.
Read the PubMed abstract ↗In 20 healthy adults, hot-water immersion caused a greater rise in core temperature than traditional or far-infrared sauna. Investigators found inflammatory/immune changes after hot-water immersion but not the sauna sessions under the tested conditions. This doesn't mean all sauna exposure has no effect; it means outcomes depend on what was actually tested.
Read the PubMed abstract ↗Guidelines describe temperature and autonomic changes in CRPS and caution that temperature-based approaches may aggravate some symptoms. Functional rehabilitation remains central; the guidelines do not establish infrared sauna use as a CRPS cure.
Read the CRPS guidelines ↗Mayo Clinic notes that heat therapy may help swelling and discomfort when affected skin feels cool. That is a symptom-management statement, not evidence that an infrared sauna reverses CRPS or reliably reduces inflammatory markers.
Read Mayo Clinic guidance ↗HYPOTHESES / NOT VERDICTS
Thermal comfort, changes in circulation, time away from stressful activity, calming routines and gentle movement are all plausible contributors. Infrared exposure often happens alongside several of these at once. That's exactly how my Day Spa sessions worked: warmth plus a quiet break, breathing and sometimes stretching.
It's tempting to assign a single cause to an improvement. Without a comparison or objective measurements, we can't identify the causal contribution of each part of the routine.
Read my lived experience →BOTTOM LINE
I won't hide how much I value the mPulse and Solo. And I won't tell readers that my own relief proves a mechanism of inflammation reduction or that the same product will work for them. Both of those commitments can coexist.
Research review updated November 2, 2026. This summarizes selected publications, not an exhaustive systematic review or clinical advice.