Just steps from Newbury Street, G2O is your oasis in the bustling city— we’re Boston’s hub for beauty and wellness. Our talented team of experts combined with superior technology awaits to help you create a practice of balance and self-care that works with your lifestyle, not against it. It’s time to feel authentically you.
Make a $300+ Yon-Ka purchase + receive a Complimentary Yon-Ka Silk Night Maskwith your choice of full-size Alpha, Nutri, or Phyto Contour.
Spend $500 + receive a complimentary full-size Serum CBD in addition.
*Available from June 1 – June 30 or While supplies last. Mask/Contour $112 Value. Serum CBD $128 Value. Combined value $240. In-store only.
bringing you exclusive specials
Salt Cave Special: Book 2 Seats, Get 3rd Complimentary
Better Sleep starts here. This June only, Book two seats in the Salt Cave + get a third seat at no additional cost.
Don’t miss this opportunity to introduce someone to the benefits of salt therapy. Respiratory + Skin Benefits. Improved mood. Deeper relaxation. What better way to conclude a spa day than with a power nap with benefits?
Call or Text 617-262-2220 to book your seats today.
*Promotion available from June 1-30. All 3 seats should be booked for the same Salt Cave session.
bringing you exclusive specials
How Brides Can Get Day-of Wedding hair + Makeup Complimentary
Brides receive complimentary day-of wedding hair + makeup when a wedding party of five or more (including a bride) book hair + makeup for weddings from September – December 2025.
Contact our Operations + Groups Manager, Catherine, who will be happy to assist you with booking your wedding glam.
*In order to qualify, brides are required to book both hair and makeup trials. Trials are not complimentary. The bridal party is not required to get hair or makeup trials. This promotion is available for wedding days from September 1 – December 31, 2025.
bringing you exclusive specials
Introducing Blissy
100% Mulberry Silk pillow cases + bonnets that are gentle enough to protect + promote healthy hair + skin, yet strong enough to withstand stubble.
Find a selection of sizes + colors in store + experience the many benefits of silk during sleep – from comfort, to protecting your hair against breakage + frizz, to helping prevent fine lines + wrinkles.
Silk reduces friction, is hypoallergenic, + less absorbent, making it a great option for those with sensitive or acneic skin.
bringing you exclusive specials
New Platinum Hydrafacial Service: Hyrdafillic with Pep9
This one is a game changer!
Hydrafillic with Pep9 combines nine unique peptides to help reduce and prevent visible signs of aging, deeply hydrate, and help strengthen the skin barrier. Book this service to reveal a firmer, more youthful-looking complexion.
60 minutes $300-$315
Member Perk: Members get two weeks of exclusive access to this new offering starting July 1st.
Beginning July 15 the Hydrafillic service will become available to everyone.
Want to enjoy this exclusive member perk and more? Click here to learn more about our membership options that won Boston Common Magazine’s Best of Luxury Beauty award for Best Spa Membership.
You may have also noticed on our Instagram that G2O Spa + Salon was recently recognized as one of the top 100 locations in the country to receive a Hydrafacial.
Now is the perfect time to book and experience all the reasons why we made the top 100 for a second year in a row.
Open Newbury’s 2025 season starts on July 13 and runs through September 21. With G2O less than a block from the summer festivities, we are offering a special on select services for Sunday Walk-ins during this period.
Walk in and choose two of the following services to receive 15% off both:
Salt Cave
Cold Plunge/ Red Light Therapy
Aromatherapy Group Steam
*Subject to availability. Only available to walk-ins on Sundays from July 13 – September 21.
All clients please be advised that you should plan for additional time to arrive on Sundays during this period due to street closures and reduced parking in the area. Our cancelation and no show policy will remain in effect.
bringing you exclusive specials
Educator + College Student Salon Discount
As of March 1, 2025, we now offer an educator + college student discount of 10% OFF Salon Services!
Just show a valid educator or school ID each time you check out for salon services.
AND for one month only, NEW salon clients get 20% OFF their first salon service when they show a valid educator or school ID.*
We understand time is precious for educators + students alike.
Make the most of it.
When you book any appointment at G2O, you are granted access to our amenities for the day of your service.
Come in before your cut + color to unwind in our steam rooms or co-ed sauna. After your appointment, enjoy a cup of tea in our fireside lounge while you finish/grade this week’s assignments.
*As an 18+ facility, this discount applies to students 18 and over. Intro offer of 20% off salon services valid from March 1 – March 31, 2025 with a valid school or educator ID. Cannot be combined with ongoing 10% educator or student discount or other discounts. The ongoing 10% educator and student discount valid for salon services only + does not apply to spa services. Subject to change.
I’m so happy that Nadja was my stylist! 12 out of 10 perfect! Super nice, very hospitable, AND MY HAIR LOOKS AMAZING! I’ve given her business cards to several friends! I will definitely be back!
— Courtney C.
Perfect morning at the spa! It was a birthday treat from my daughter....I enjoyed the Experience Room and the Salt Room. Both were very relaxing! Spotless facility and top notch staff.
— Heather B.
Amazing facilities, great services. Had a signature facial done and it was so relaxing and my skin glowed for days after.
— Kathryn O.
Great experience!! The staff was welcoming and the space is beautiful. Sasha, works in the spa and she performs my brow tweezing. She does a perfect job! She is the only one I trust to shape my brows! I’m always so pleased.
— Lauren D.
From day one of going into this spa I was greeted by Dave treated very special all of my needs were taken care of. The staff is professional, respectful and ensure that you have a wonderful time. I love feeling more relaxed than when I came in I so appreciate the staff taking that extra time to make sure that my needs were mad and that I was okay this is what service should look like 365 days out the year.
— Gloria W.
I received an incredible signature facial from Alina! She was so kind and knowledgeable, and she took the time to discuss my skin concerns with me. I felt so relaxed and rejuvenated after! Also, the facilities/amenities at this spa were fantastic. Overall very impressed and I’ll definitely be back!
