Spas with adults only

Ojai, California

A one-room day spa in Ojai pairs skincare facials with Human Design readings, with treatments from $110 to $350 and walk-ins welcome.

Los Angeles, California

A boutique medical spa in Pico-Robertson focused entirely on facials, from HydraFacial to microdermabrasion, with no body treatments on the menu.

New York City, New York

A no-frills medical spa in Manhattan built around lymphatic drainage therapy and acupuncture, open daily 10am to 9:30pm.

Carmel, Indiana

A no-frills contrast therapy studio in Carmel, Indiana, built around a 30-minute sauna-and-cold-plunge circuit for solo visitors.

Naples, Florida

Medical spa in North Naples focused on injectables, facials, peels and skin-resurfacing treatments like Morpheus and Votiva.

Tokyo

Private-room head spa salon in Minami-Aoyama, Omotesando, offering 90- to 210-minute scalp treatments from roughly ¥24,750.

Ojai, California

A small facial studio in Ojai run by esthetician Allison, offering customized facials, RF skin tightening, microcurrent and waxing by reservation.

Zurich

An upscale day spa near Paradeplatz in central Zurich focused on facials, anti-aging treatments and massages for adults.

Las Vegas, Nevada

A budget-friendly medical and day spa in Las Vegas offering massage and HydraFacial treatments, open daily 10am–7pm with walk-ins accepted.

Santa Barbara, California

A medical spa on State Street in Santa Barbara offering Botox, fillers, laser hair removal and HydraFacials under physician oversight.

San Diego, California

A Clairemont wellness studio in San Diego pairing acupuncture and bodywork with an infrared sauna and a Himalayan salt room for classes.

Miami, Florida

A Brickell medical spa running 18 categories of non-invasive aesthetic treatments, including Botox, fillers and a signature facial, weekdays only.

Nashville, Tennessee

A moderate-priced day spa in Nashville's Edgehill neighborhood offering 8 facial-focused treatments, open daily with evening hours on weekdays.

San Francisco, California

A moderate-priced day spa in San Francisco's Mid-Market/SoMa area, open daily with walk-in visits possible but reservations encouraged.

Santa Fe, New Mexico

A walk-in recovery studio in Santa Fe's DeVargas Center offering cryotherapy, infrared sauna, compression, red light and IV drip therapies.

Portland, Oregon

Day spa and natural medicine clinic in NW Portland's Slabtown with sauna, hydrotherapy, massage, acupuncture and a vegan café on site.

Abu Dhabi

Ayurvedic clinic in Al Zahiyah, Abu Dhabi, offering doctor-led consultations and traditional treatments like Shirodhara, Abhyangam and Panchakarma.

Tucson, Arizona

Sora Head Spa is a small Japanese head spa and skincare studio inside R Salon Day Spa in Tucson's Sam Hughes neighborhood, offering scalp and facial treatments.

Washington, D.C., District of Columbia

A small medical and day spa on Capitol Hill offering facials, body treatments, and wellness sessions from a solo licensed provider.

Los Angeles, California

Day spa in Pasadena offering facials, scalp therapy and body treatments, with its signature Synergy Rejuvenation Scalp Spa, open daily 10am-7pm.

Raleigh, North Carolina

A North Raleigh day spa specializing in the Kranial Flush, a scalp and cranial treatment, alongside body work, face and hair therapy.

Los Angeles, California

Esthetician-run skincare studio in Del Rey offering facials, acne treatment and micro-infusion, with Japanese-language service available.

Philadelphia, Pennsylvania

A second-floor day spa near Rittenhouse Square offering skincare, scalp analysis and its signature Aroma Chakra Balancing Therapy, with a membership discount

The Hamptons, New York

A membership-based wellness club in Southampton with a stadium-seating sauna, cold plunge pools, treatment suites and group classes.