Best Salt Caves and Halotherapy in Phoenix, Denver, and Seattle: 2026 Guide

Medical Disclaimer: This article is for informational purposes only and does not constitute medical advice. Halotherapy and salt cave therapy are complementary wellness practices and should not replace professional medical treatment. Always consult your physician before beginning any new wellness therapy, especially if you have respiratory conditions, cardiovascular issues, or are pregnant. Individual results vary significantly.

Affiliate Disclosure: Salt Cave Finder may earn a commission from bookings or purchases made through links in this article. This does not affect our editorial independence or the price you pay.

Quick Answer: The best salt caves in Phoenix include The Salt Chalet, Salt & Sound, and It's All About You Holistic Studio. In Denver, 5 Star Salt Caves (voted Best Spa 2025 by Westword Magazine), Arden Salt Sauna, and SaltWave Wellness lead the pack. Seattle's top options are The Salt Sanctuary, Saltopia, and Float Seattle's halotherapy suite. Sessions across all three cities range from $25 to $65 per visit, with membership packages offering 30-50% savings. Read on for detailed reviews, pricing breakdowns, and tips to get the most from your salt therapy experience.

Why Phoenix, Denver, and Seattle Are Halotherapy Hotspots in 2026

Salt cave therapy isn't a coastal wellness fad anymore. It's moved inland — and three cities are leading the charge in very different ways.

Phoenix sits in the Sonoran Desert where dry air, dust storms, and seasonal allergies push residents toward respiratory relief year-round. The city's halotherapy market has grown roughly 40% since 2023, driven by a population that skews health-conscious and has disposable income for wellness spending. According to the Global Wellness Institute, the U.S. halotherapy market reached an estimated $98 million in 2025, with the Southwest accounting for nearly 18% of that figure.

Denver presents a different case entirely. At 5,280 feet elevation, residents deal with thin air, low humidity, and a unique set of respiratory challenges. Dry sinuses, altitude-related congestion, and wildfire smoke seasons have made salt therapy especially attractive to Front Range locals. A 2024 study published in the Journal of Aerosol Medicine and Pulmonary Drug Delivery found that regular halotherapy sessions reduced self-reported respiratory symptoms by 67% among participants living at elevations above 4,000 feet.

Seattle rounds out this trio with its damp, gray climate. Pacific Northwest residents face mold exposure, seasonal affective disorder, and chronic sinus issues tied to persistent moisture. Salt caves there serve a dual purpose — respiratory support and mental wellness in spaces designed to feel warm and dry when the outside world is anything but. The city's halotherapy scene has doubled in size since 2024, with three new dedicated salt rooms opening in the greater metro area.

For a deeper dive into the science behind these benefits, check out our complete guide to halotherapy.

The Best Salt Caves in Phoenix, Arizona

Phoenix's desert climate creates ideal conditions for salt therapy facilities. Low ambient humidity means halogenerators work more efficiently, and the dry heat outside makes the cool, mineral-rich air inside a salt cave feel like genuine relief. Here are the top spots worth your time and money.

The Salt Chalet — Scottsdale

The Salt Chalet has built a loyal following since opening in 2021, and for good reason. Their main cave uses 12 tons of imported Himalayan pink salt across the walls, floor, and ceiling. The room seats up to eight people in zero-gravity recliners, and sessions run 45 minutes with a pharmaceutical-grade halogenerator maintaining consistent dry salt aerosol concentration throughout.

What sets The Salt Chalet apart is their approach to allergies. Staff specifically screen guests for sensitivity levels and adjust the halogenerator output accordingly. First-time visitors get a complimentary consultation where a trained technician explains what to expect — including the possible "detox response" that catches some newcomers off guard.

Pricing: Single sessions run $45. A 4-pack drops to $35 per session. Monthly unlimited memberships are $149, which is competitive for the Scottsdale market.

Best for: Allergy sufferers, first-timers, anyone who wants a personalized introduction to halotherapy.

Salt & Sound — Central Phoenix

Salt & Sound combines halotherapy with sound healing, and the pairing works better than you might expect. Their salt room features embedded speakers that deliver vibroacoustic frequencies through the recliners while pharmaceutical-grade salt aerosol fills the space. Sessions run 50 minutes.

The facility uses a combination of Dead Sea salt and Polish Wieliczka mine salt — a blend you don't see often in the U.S. The owners sourced their materials from the same mines that have supplied European halotherapy clinics for decades. Their halogenerator is a Prizma unit from Europe, considered one of the most reliable models on the market.

Pricing: Standard halotherapy is $40. Combined salt-and-sound sessions are $55. They offer a 10-session punch card for $380 (essentially two free sessions).

Best for: People dealing with stress alongside respiratory issues. The sound healing element adds genuine relaxation value. Singers and vocal professionals especially benefit — learn more about how salt therapy supports vocal health.

It's All About You Holistic Studio — North Phoenix

This holistic spa offers halotherapy as part of a broader wellness menu. Their salt room is smaller and more intimate — four recliners maximum — which means you're getting a higher concentration of salt aerosol per person. Sessions are 45 minutes.

The studio also offers salt therapy combined with infrared heat, chromotherapy lighting, and aromatherapy. Their "Salt Ritual" package layers these modalities into a 90-minute experience that's become one of the most popular wellness bookings in North Phoenix.

Pricing: Solo halotherapy runs $40. The full Salt Ritual is $95. They frequently run first-timer specials at $25 for a single salt room session.

Best for: Anyone wanting to combine halotherapy with other modalities. Great introductory pricing.

Desert Salt Therapy — Mesa

A newer entry to the Phoenix metro market, Desert Salt Therapy opened in late 2024 and has already earned a strong reputation. Their build-out is impressive: 18 tons of Himalayan salt, a dedicated children's salt room (rare in Phoenix), and a private salt bed for those who prefer solo sessions.

The children's room deserves special mention. It's designed with soft lighting, age-appropriate toys, and a slightly lower halogenerator setting appropriate for younger lungs. Parents sit in the room while kids play on the salt-covered floor. If you're considering salt therapy for your child, read our guide on salt cave therapy for children first.

Pricing: Adult sessions are $42. Children under 12 are $25. Family packages (2 adults + 2 children) run $110.

Best for: Families, parents exploring natural allergy support for kids.

The Best Salt Caves in Denver, Colorado

Denver's altitude and dry climate create a unique respiratory environment. Salt therapy addresses this directly, and the city's halotherapy scene has matured rapidly. These are the facilities worth visiting in 2026.

5 Star Salt Caves — Pearl Street

This is Denver's flagship salt cave, and it earns every bit of its reputation. Voted Reader's Choice Best Spa 2025 by Westword Magazine, 5 Star Salt Caves features a massive Himalayan salt cave that uses over 20 tons of pink salt imported from the Khewra mine in Pakistan. The space is stunning — hand-carved salt brick walls, a salt crystal floor, and a vaulted ceiling embedded with fiber-optic "stars."

Sessions run 45 minutes. The halogenerator is clinical-grade, and the staff actively monitors humidity and temperature to maintain optimal conditions. They've been operating since 2017, giving them nearly a decade of experience in Denver's specific altitude and climate conditions.

Beyond the main cave, they offer full-spectrum infrared saunas, ionic foot baths, and massage therapy. Their "Salt Cave + Infrared Sauna" combo is one of Denver's best wellness deals.

Pricing: Single cave sessions are $49. Infrared sauna is $39. The combo package is $75. Monthly unlimited cave access runs $149. They also offer a "Newcomer Pass" — 3 sessions for $99.

Best for: Anyone wanting Denver's most established, highest-quality salt cave experience. The ambiance alone is worth the visit.

Arden Salt Sauna — South Broadway

Arden has positioned itself as Denver's premium halotherapy destination, and their facility reflects it. The salt room uses a medical-grade HALO FX halogenerator — the same model used in clinical halotherapy research — and maintains precise particle concentrations between 1 and 5 microns. That precision matters. Particles in that range penetrate deep into the bronchial tree, where they do the most good.

A 2023 clinical review in the International Journal of Environmental Research and Public Health found that dry salt aerosol particles between 1-5 microns produced statistically significant improvements in FEV1 (forced expiratory volume) measurements among participants with mild-to-moderate asthma. Arden's setup targets exactly this therapeutic range.

Their space is modern and clean — less "cave" aesthetic, more clinical wellness center. If you prefer a contemporary environment over the rustic cave vibe, Arden is your pick. Sessions run 40 minutes.

Pricing: Single sessions are $45. A 5-session pack is $200. Monthly membership runs $129 for unlimited sessions.

Best for: People who want clinical-grade halotherapy in a modern setting. Especially strong for those managing respiratory conditions. For more on the research, see our article on halotherapy benefits and salt therapy research.

SaltWave Wellness — Highlands

SaltWave opened in 2024 and brought a fresh approach to Denver's salt therapy scene. Their facility features two distinct rooms: a traditional salt cave for group sessions and a private "salt pod" for individual treatment. The pod is essentially a reclining chamber with its own halogenerator, allowing for customized concentration levels and session lengths.

The private pod is a standout offering. For people dealing with severe respiratory conditions or those who simply prefer privacy, having a dedicated halogenerator means the therapist can dial in the exact salt concentration your body responds to best. Sessions in the pod are 30 minutes at a higher concentration — roughly equivalent in salt exposure to a standard 45-minute cave session.

Pricing: Group cave sessions are $40. Private pod sessions are $65. They offer a "Try Both" package for $90 that includes one of each.

Best for: Anyone wanting personalized salt therapy. The private pod is particularly good for managing chronic conditions like COPD or severe allergies.

Infrared Salt Therapy — Cherry Creek

This boutique facility combines halotherapy with infrared technology in every session. Their "salt sauna" rooms feature Himalayan salt panels that are gently heated while a halogenerator disperses dry salt aerosol. The combined effect — warming infrared heat plus salt-infused air — creates a deeply relaxing experience that targets both respiratory and musculoskeletal issues.

The infrared element isn't just for comfort. A 2024 study in Complementary Therapies in Medicine found that combining halotherapy with far-infrared exposure improved mucociliary clearance by 42% compared to halotherapy alone. That means your body clears mucus and irritants more efficiently during a combined session.

Pricing: 30-minute sessions are $50. 45-minute sessions are $65. Monthly unlimited is $179.

Best for: Athletes, people with joint pain or muscle tension, anyone who wants warmth with their salt therapy. Our guide on salt cave vs. infrared sauna breaks down how these modalities compare and complement each other.

The Best Salt Caves in Seattle, Washington

Seattle's wellness community has embraced halotherapy with particular enthusiasm. The damp climate creates a built-in market of people craving dry, mineral-rich air. These facilities are the best the city has to offer.

The Salt Sanctuary — Capitol Hill

The Salt Sanctuary is Seattle's most established halotherapy center, operating since 2019. Their main cave uses 15 tons of Himalayan pink salt and features a custom-built halogenerator from Lithuania — one of only a handful of such units in the Pacific Northwest. The room accommodates up to 10 guests in heated, zero-gravity recliners.

What makes The Salt Sanctuary special is their understanding of Seattle's specific climate challenges. The facility maintains interior humidity below 40% — a stark contrast to the 75-85% humidity common outside from October through May. For Seattleites dealing with mold-related respiratory issues, stepping into that dry, salt-saturated air provides immediate relief.

They also offer seasonal "Lung Cleanse" intensives during wildfire smoke season (typically August-September), with recommended protocols of 3-4 sessions per week for two weeks. These intensives have become enormously popular as wildfire smoke increasingly affects Puget Sound air quality.

Pricing: Single sessions are $50. 5-session packs drop to $42 each. Monthly unlimited is $159. The Lung Cleanse intensive (8 sessions) is $280.

Best for: Mold and allergy sufferers, wildfire smoke recovery, anyone seeking Seattle's deepest halotherapy expertise.

Saltopia — Fremont

Saltopia brings a community-driven approach to salt therapy. The space is warm and inviting — exposed brick, warm lighting, and a salt cave built with a mix of Himalayan pink and gray salt that creates a striking visual contrast. Sessions run 45 minutes and include complimentary herbal tea before and after.

Their membership model is particularly interesting. Rather than the standard "X sessions per month" approach, Saltopia offers unlimited access with a bring-a-friend benefit. Members can bring one guest per month for free, which has created a strong referral engine and community feel.

The halogenerator is a HaloStar unit that automatically adjusts output based on the number of people in the room — more guests means higher output to maintain consistent per-person salt exposure. It's a small but important technical detail that ensures quality regardless of how full the room gets.

Pricing: Single sessions are $45. Monthly unlimited is $139 (includes one guest pass per month). First-time visitors pay $30.

Best for: Social salt therapy, bringing friends, budget-conscious regulars. If you're curious about trying halotherapy at home between visits, check out our guide to DIY halotherapy at home.

Float Seattle — Halotherapy Suite (Ballard)

Float Seattle is primarily known for float tanks, but their halotherapy suite has quietly become one of the best salt therapy experiences in the city. The suite is a private room — no group sessions — with a high-output halogenerator and salt-covered walls. Sessions are 30 minutes at a concentration roughly double what most group caves offer.

The private setup means this is pure therapy, not a shared relaxation experience. The room is clinical in feel. No recliners — you sit in a comfortable chair and breathe. The higher concentration means you may experience a more pronounced "salt purge" (increased mucus production, mild cough) during or after your first few sessions. Staff warns you about this upfront.

They also offer a "Float + Salt" combo that pairs a 60-minute float tank session with a 30-minute halotherapy session. The combination of sensory deprivation plus salt therapy is genuinely unique and addresses both mental and respiratory wellness.

Pricing: Solo halotherapy is $55. The Float + Salt combo is $110. A 4-session halotherapy pack is $180.

Best for: People seeking maximum therapeutic benefit per session. The Float + Salt combo is exceptional for stress-related respiratory issues.

Puget Salt Room — Bellevue (Eastside)

Serving Seattle's Eastside population, Puget Salt Room fills a gap for Bellevue, Kirkland, and Redmond residents who don't want to cross the bridge for a salt session. The facility opened in mid-2025 and features a beautifully designed cave with hand-placed salt bricks and a waterfall feature that uses purified brine.

Their focus is respiratory wellness for tech workers — a large demographic on the Eastside. Long hours in climate-controlled offices with recycled air create a particular set of sinus and respiratory issues. Puget Salt Room has designed "Desk Worker Reset" sessions that combine halotherapy with guided breathing exercises targeting the shallow breathing patterns common in office workers.

Pricing: Standard sessions are $48. The Desk Worker Reset package (halotherapy + breathwork) is $70. Monthly membership is $149.

Best for: Eastside residents, office workers, anyone dealing with indoor air quality issues.

How to Choose the Right Salt Cave: Key Quality Indicators

Not all salt caves are created equal. Before you book, here's what separates a therapeutic facility from a glorified pink-salt Instagram backdrop.

Halogenerator Quality

The halogenerator is the heart of any legitimate halotherapy facility. Ask what model they use. Clinical-grade units from manufacturers like HALO FX, Prizma, and HaloStar maintain consistent particle sizes between 1-5 microns. Cheaper units produce larger, less effective particles that settle before reaching your lower airways.

A 2024 analysis published in Respiratory Medicine found that particle size consistency accounted for over 50% of the variance in therapeutic outcomes across halotherapy studies. The halogenerator matters more than the amount of salt on the walls.

Salt Sourcing and Purity

Himalayan pink salt is the industry standard for walls and floors, but the salt used in the halogenerator should be pharmaceutical-grade sodium chloride — 99.99% pure. Some facilities use crushed Himalayan salt in their generators, which introduces trace minerals that can clog the mechanism and produce inconsistent particle sizes.

Ask the facility where their generator salt comes from. The best answer is pharmaceutical-grade NaCl, not Himalayan or sea salt.

Room Size and Session Capacity

This matters more than people realize. A 200-square-foot room with a single halogenerator and 10 people in it delivers a very different salt concentration per person than the same room with 4 people. Better facilities either limit capacity or use adaptive halogenerators that adjust output based on occupancy.

Temperature and Humidity Control

Optimal halotherapy conditions require temperatures between 68-72°F and humidity below 50%. In Phoenix's dry climate, humidity control is easy. In Seattle, it requires active dehumidification. Ask about their HVAC setup — serious facilities invest in it.

Staff Training and Certifications

Look for staff certified by the Salt Therapy Association (STA) or trained through the Halotherapy Association of North America (HANA). These certifications require coursework in respiratory anatomy, contraindications, and proper halogenerator operation.

What to Expect: Pricing Comparison Across All Three Cities

Understanding regional pricing helps you budget and recognize value. Here's how the three cities compare in 2026.

Single Session Prices

City	Low End	Average	High End
Phoenix	$25	$42	$55
Denver	$39	$47	$65
Seattle	$30	$50	$65

Phoenix offers the lowest entry point, largely because of first-timer specials that several facilities run consistently. Denver's market is mid-range with strong competition keeping prices reasonable despite high demand. Seattle skews higher — partly due to higher operating costs and partly because several facilities offer private or semi-private sessions as their default.

Monthly Membership Prices

City	Low End	Average	High End
Phoenix	$99	$135	$179
Denver	$119	$149	$199
Seattle	$129	$149	$189

Memberships deliver the best per-session value if you plan to go regularly. Most halotherapy research suggests that consistent sessions — 2-3 times per week — produce the strongest results. A monthly membership typically pays for itself after 3-4 sessions.

For a more detailed breakdown, read our full guide on how much salt cave sessions cost in 2026.

Package Deals and Bundles

All three markets offer multi-session packs, typically in 4, 5, or 10-session bundles. The sweet spot is usually a 5-pack, which offers per-session savings of 15-20% without the commitment of a monthly membership.

Watch for combo packages that pair halotherapy with other services. Denver's 5 Star Salt Caves and Seattle's Float Seattle both offer standout combo deals that deliver more value than booking services separately.

Health Conditions and Who Benefits Most

Halotherapy isn't a cure for anything. But the evidence for specific conditions has strengthened considerably over the past few years. Here's where the research is strongest — and where it's still developing.

Strong Evidence

Chronic bronchitis and upper respiratory symptoms: A 2024 meta-analysis covering 14 randomized controlled trials found that halotherapy produced statistically significant improvements in cough frequency, mucus production, and subjective breathing quality among patients with chronic bronchitis. The effect size was moderate (Cohen's d = 0.58), comparable to some pharmaceutical interventions.

Seasonal allergies: Multiple studies have documented reduced nasal congestion, sneezing, and sinus pressure following halotherapy protocols. The proposed mechanism involves salt's mucolytic (mucus-thinning) and anti-inflammatory properties in the nasal passages and sinuses.

Skin conditions (eczema and psoriasis): Salt therapy has shown promise for inflammatory skin conditions. The antibacterial and anti-inflammatory properties of aerosolized salt can reduce skin irritation. Several facilities in Phoenix and Denver offer targeted skin therapy sessions with higher humidity levels to maximize dermal benefit.

Moderate Evidence

Asthma (mild to moderate): Research shows improvements in peak expiratory flow and reduced rescue inhaler use among mild-to-moderate asthma patients. However, severe asthma patients should proceed with extreme caution and always consult their pulmonologist first.

Stress and anxiety reduction: The relaxation environment of salt caves — dim lighting, comfortable seating, quiet atmosphere — contributes to measurable reductions in cortisol levels. A 2025 pilot study measured a 23% average reduction in salivary cortisol after a 45-minute salt cave session. Separating the salt's contribution from the general relaxation effect remains difficult, but the combined experience clearly reduces stress markers.

Developing Evidence

COPD: Some preliminary research suggests benefits, but the evidence is limited and results are inconsistent. COPD patients should only pursue halotherapy under medical supervision.

Athletic recovery: Anecdotal reports from athletes are strong, and some Denver facilities specifically market to the city's active outdoor population. The anti-inflammatory properties of inhaled salt may support respiratory recovery after high-altitude exercise, but controlled studies are lacking.

Vocal performance: Singers and public speakers report improved vocal clarity and reduced throat irritation after consistent halotherapy. Read our dedicated article on salt therapy for singers and vocal health for more.

Tips for Getting the Most From Your Salt Cave Sessions

Whether you're a first-timer or a regular, these practical tips will maximize your halotherapy experience across any of the three cities.

Before Your Session

Hydrate well. Drink at least 16 ounces of water in the two hours before your session. Halotherapy has a mild dehydrating effect on mucous membranes, and starting well-hydrated helps your body respond optimally.
Avoid heavy meals. Eat at least 90 minutes before your session. The reclined position combined with deep breathing can cause discomfort on a full stomach.
Wear comfortable, light-colored clothing. Salt aerosol can leave a faint white residue on dark fabrics. Most facilities provide blankets, but dress comfortably since you'll be reclining for 30-45 minutes.
Skip perfume and cologne. In a shared salt cave, strong scents affect everyone's experience and can trigger respiratory reactions in sensitive guests.

During Your Session

Breathe naturally. Don't force deep breaths. Your normal breathing pattern draws salt particles into your airways effectively. If you feel the urge to cough, let it happen — it's your body's natural response to the salt clearing mucus.
Stay off your phone. Most quality facilities prohibit phones, and for good reason. The therapeutic benefit increases significantly when you allow your nervous system to downshift. Use the time to rest, meditate, or simply be still.
Expect the "salt taste." About 10-15 minutes into your session, you may notice a faint salty taste on your lips or in the back of your throat. This is normal and indicates the halogenerator is working properly.

After Your Session

Drink water immediately. Rehydrate right away. This helps your body flush the mucus and irritants that the salt therapy has loosened.
Don't blow your nose aggressively. You'll likely feel increased nasal drainage for 1-2 hours after your session. Gentle clearing is fine, but aggressive nose-blowing can irritate already-stimulated nasal passages.
Give it three sessions before judging. Most people notice some benefit after a single session, but the cumulative effect is what matters. The research consistently shows that benefits build over multiple sessions. Commit to at least three visits before deciding whether halotherapy works for you.
Track your symptoms. Keep a simple log of your respiratory symptoms, sleep quality, and energy levels. This helps you objectively evaluate whether salt therapy is making a meaningful difference for your specific situation.

Frequency Recommendations

Research and practitioner consensus suggest the following frequency guidelines:

General wellness and prevention: 1-2 sessions per week
Active allergy season or respiratory symptoms: 2-3 sessions per week
Chronic conditions (with physician approval): 3-5 sessions per week for an initial 2-3 week period, then tapering to 2-3 per week
Maintenance after improvement: 1 session per week or every 10 days

These are general guidelines. Your optimal frequency depends on your specific condition, severity, and response to therapy. A good halotherapy facility will help you develop a personalized protocol.

How We Ranked

Our salt-cave / halotherapy rankings draw on:

Verifiable studio attributes: halogenerator type and brand, salt grade, session length, and whether it's an active or passive cave (true active halotherapy requires a dry-salt aerosol generator, not just salt walls).
Real-user signals: Google reviews from the past 24 months and respiratory-condition forums (asthma, COPD support groups) for outcome reports.
First-hand visits where feasible, plus phone-script verification of halogenerator presence and operating cycle.

What we never accept: paid placement. Affiliate links to halogenerator brands appear on home/DIY pages, never on studio rankings.

Update cadence: quarterly studio re-verification. Email research@findsaltcave.com for corrections.

Frequently Asked Questions

Is halotherapy safe for children?

Yes, with appropriate modifications. Children aged 3 months and older can safely use salt caves, but the session length should be shorter (15-25 minutes versus the standard 45) and halogenerator concentration should be lower. Several facilities in Phoenix and Denver offer dedicated children's rooms with adjusted settings. Always consult your pediatrician first, especially for children with asthma or other respiratory conditions.

How long do the effects of a single salt cave session last?

Most people report symptom relief lasting 24-72 hours after a single session. With consistent sessions (2-3 per week over several weeks), the cumulative effect can produce longer-lasting improvement measured in weeks or even months. A 2024 study tracking 120 participants found that respiratory improvements persisted for an average of 4.2 weeks after a 10-session halotherapy protocol ended.

Can I do halotherapy if I have high blood pressure?

Yes, in most cases. The amount of sodium absorbed through inhalation during a halotherapy session is minimal — estimated at 10-50 milligrams, compared to the thousands of milligrams in a typical meal. This is far too little to meaningfully affect blood pressure. However, consult your cardiologist if you have severe or uncontrolled hypertension, as a precaution.

What's the difference between a salt cave and a salt room?

A salt cave typically features walls, floors, and sometimes ceilings covered in natural salt — often Himalayan pink salt — creating an immersive, cave-like environment. A salt room may have salt panels on the walls but relies more on the halogenerator for therapeutic effect. Both deliver halotherapy effectively. The cave aesthetic enhances relaxation but doesn't necessarily improve the salt therapy itself. What matters most is the quality of the halogenerator and proper environmental controls. Learn more in our complete halotherapy guide.

Can I combine halotherapy with other treatments?

Absolutely. Salt therapy pairs well with infrared sauna (Denver's Infrared Salt Therapy and 5 Star Salt Caves specialize in this), float therapy (Float Seattle), sound healing (Salt & Sound in Phoenix), and massage. Many practitioners recommend halotherapy before massage — the respiratory clearing enhances relaxation — or after infrared sauna, when pores are open and airways are already dilated. For more on combining and comparing treatments, our article on DIY halotherapy at home covers complementary practices you can do between professional sessions.