We on the Groupon beauty team understand how nerve-wracking it can be to put your trust in a beauty professional you've just met. And if you're getting a treatment that you've never had before from that new beauty professional, it can be practically terrifying. What if you hate the results?

To help put you at ease, we've put together a list of some of our best Groupon spa deals around the country. These deals are all offered by top merchants, people who are so good at what they do that it's easy to put your trust in them. So whether you're looking to snag a Groupon hair deal, Groupon spa deal, or Groupon injectables deal, you can feel good about choosing one of these establishments.

New York

King Spa Fitness: Palisades Park

Go there for: Soaks in a dome-shaped hot-steam room with floors of yellow soil and salt; refreshing dips in the ice sauna

Good to Know: The massive 40,000-square-foot facility houses numerous saunas on multiple floors that are designed to improve wellness and treat pain. King Spa stays open 24/7 and has places to eat and sleep. Before purchasing one of these Groupon spa deals, read our article "Korean Spa: Five Things to Know Before Visiting."

Groupon customers say: A visit to King Spa is the greatest gift you can give yourself. ... All the baths and sauna rooms are so relaxing. The staff is sweet and the facilities are very clean." – from Stephen's review

Chicago

Salon Hype: LaGrange, Oakbrook Terrace, and Burr Ridge

Go there for: Seamlessly blended balayage

Good to Know: L'Oréal put Salon Hype on its 2016 Top 100 Salon list, and Allure magazine once lauded founder Ross Bartolomei for his unique cutting techniques for thick hair. It's also frequented by purpled-haired rocker Jim Peterik.

Groupon customers say: "Everyone is super friendly and nice. ... I also really appreciated that the owner himself greets you at the door and actually took the time out to walk me upstairs to show me where I needed to go." – from Nighath A.'s review

Los Angeles

Queen's Eyebrows: West Side

Go there for: Realistic-looking eyebrow microblading

Good to Know: Tiny needles deposit pigment into the skin during this permanent-makeup treatment that focuses on giving clients fuller, darker brows. The makeup artist, Yazmin, has a perfect Groupon rating, and her Instagram displays many texts from satisfied clients.

Groupon customers say: "Yazmin microbladed my eyebrows this morning and I'm so happy I went for it! ... Don't be fooled by her generous discount and take advantage. This is a great price for top quality." – from Julia S.'s review

Phoenix

Di Luxe Polish Lounge: Corner of 24th Street and Indian School Road

Go there for: Impressive nail art, including glitter tips, ombre shading, and marble stiletto nails, served with a cocktail

Good to Know: With its soft white-and-gray color palette, plush banquettes above built-in pedicure stations, and cloud decor, the salon's space is almost as Instagram-worthy as its nails.

Groupon customers say: "Everything from the design to the service is amazing at Di Luxe! They are very accommodating to work with your schedule and everyone is so friendly. I will keep going here to get my nails done!" – from Caitlin S.'s review

Minneapolis-Saint Paul

Saint Paul Athletic Club: Downtown Saint Paul

Go there for: Killer workouts in an opulent space with Old World charm

Good to Know: The club was originally founded in 1916 and has maintained a lot of its trappings. As a result, ellipticals sit beneath sparkling chandeliers, and the yoga studio is located in the former grand dining room. Members get exclusive access to the equally grand Lobby Bar.

Groupon customers say: "Beautiful gym with great equipment! You won't find a gym like this anywhere else!" – from Jovan K.'s review

Washington DC

McLean Dermatology and Skincare Center: McLean, Virginia

Go there for: Carefully applied injectables and wrinkle-erasing microneedling treatments

Good to Know: The chic office with contemporary decor is run by board-certified, award-winning dermatologist Dr. Lily Talakoub, who has given summer skincare advice to Martha Stewart's Whole Living magazine. She performs many of the treatments herself.

Groupon customers say: "The experience was very nice...the staff well-trained and very helpful explaining treatment and what to expect. Would recommend them." – from Louise L.'s review

San Francisco

Dr. Michael R. Macdonald: Union Square

Go there for: Collagen-boosting laser skin-resurfacing treatments

Good to Know: Dr. Mac, who has been featured in such media outlets as the San Francisco Examiner and KRON 4 News, has a nearly perfect rating from 140 Groupon customers. He is a board-certified facial plastic surgeon who speaks both English and French.

Groupon customers say: "I received two laser skin treatments. Erica, R.N., conducted the first using low intensity (I could have accepted higher intensity). The second used higher intensity. Happy with results. Plan to change birth date on all my IDs." – from John C.'s review