Infrared sauna session at HackHaus LA — red light ambiance
Cold plunge session at HackHaus LA — blue lit ice bath
THERMAL CONTRAST PROTOCOL

Contrast Therapy

Infrared sauna and cold plunge — alternated twice — to create the most powerful vascular pump in recovery.

HEAT 140–160°F
COLD 39–45°F
THE METHOD

What Is Contrast Therapy?

Contrast therapy alternates between heat and cold exposure in deliberate cycles. The temperature swings create a powerful vascular pumping effect — blood vessels dilate dramatically in the heat and constrict sharply in the cold — driving circulation, flushing metabolic waste, and flooding tissues with fresh oxygenated blood.

Used by elite athletes, military operators, and top-tier performance programs, contrast therapy compresses what would take days of passive recovery into a single 60-minute session. Two complete rounds is the proven standard for maximum benefit.

Rounds per session
16×
Growth hormone spike
300%
Norepinephrine increase
60 min
Full protocol duration
THE PROTOCOL

2 Complete Rounds

Each round pairs a heat phase with a cold phase. Two rounds complete the full vascular pump cycle — always finish on cold.

ROUND
01
HEAT

Infrared Sauna

15–20 min140–160°F

Deep infrared wavelengths penetrate 2–3 inches into muscle and joint tissue, raising core temperature, dilating blood vessels, and triggering a powerful sweat response that mobilizes toxins and metabolic waste.

Vasodilation — blood vessels expand up to 3×
Core temp rises, triggering heat shock proteins
Metabolic waste mobilized into bloodstream
Muscles relax, reducing tension and soreness
ROUND
02
COLD

Cold Plunge

2–3 min39–45°F

Immediate cold immersion causes rapid vasoconstriction, flushing the mobilized waste out of peripheral tissues and back toward the core for processing. Norepinephrine surges 300–500%, sharpening focus and mood.

Vasoconstriction flushes waste centrally
Norepinephrine surge — 300–500% increase
Inflammation markers drop significantly
Nervous system reset — calm, focused clarity
ROUND
03
HEAT

Infrared Sauna

15–20 min140–160°F

The second heat round amplifies the effect. Vessels re-dilate, drawing fresh oxygenated blood into tissues that were just flushed clean. Growth hormone release peaks. Deep relaxation sets in.

Fresh oxygenated blood floods clean tissue
Growth hormone release peaks (up to 16×)
Parasympathetic nervous system activates
Deep muscular and fascial relaxation
ROUND
04
COLD

Cold Plunge

2–3 min39–45°F

The final cold immersion locks in the anti-inflammatory response, seals the vascular pump cycle, and leaves you in a state of energized calm. Always finish on cold for maximum recovery benefit.

Anti-inflammatory response locked in
Vascular pump cycle complete
Endorphin and dopamine release
Energized calm — alert without stimulants

Always finish on cold. Ending the protocol with cold immersion locks in the anti-inflammatory response, seals the vascular pump cycle, and maximizes the hormonal benefit. Advanced clients may add a third round.

Infrared sauna session at HackHaus LA — red ambient lighting
HEAT PHASE

Infrared Sauna

140–160°F · 15–20 min per round

Cold plunge session at HackHaus LA — blue lit ice bath
COLD PHASE

Cold Plunge

39–45°F · 2–3 min per round

WHY IT WORKS

Key Benefits

Accelerated Muscle Recovery

Vascular pumping clears lactic acid and delivers nutrients 3× faster than passive rest

Reduced Inflammation

Cold immersion drives a measurable drop in systemic inflammatory markers

Improved Circulation

Repeated dilation/constriction cycles train vascular elasticity and blood flow

Hormonal Optimization

Growth hormone surges up to 16× during heat; norepinephrine spikes 300–500% in cold

Nervous System Reset

Alternating thermal stress activates both sympathetic and parasympathetic branches

Mental Clarity & Mood

Dopamine and endorphin release produces lasting focus and emotional resilience

PRICING

Session Rates

Infrared Sauna — 30 min
$40
Infrared Sauna — 60 min
$65
Cold Plunge — Single Session
$25
Contrast Therapy Protocol — 2 Rounds

Sauna + Cold Plunge × 2

$65

Ask about our monthly membership plans starting at $99/mo.

BOOK YOUR SESSION

Heat. Cold. Repeat.

Experience the most powerful recovery protocol in the building. Book a contrast therapy session or ask our team to build it into your personalized recovery plan.

These statements have not been evaluated by the Food and Drug Administration. The services and modalities described are not intended to diagnose, treat, cure, or prevent any disease. Results may vary. Consult your healthcare provider before beginning any wellness program.