Promos
Purchase Yon-Ka + receive gifts for better sleep.
Make a $300+ Yon-Ka purchase + receive a Complimentary Yon-Ka Silk Night Mask with 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.
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.
Yon-Ka Upgrades Client-Favorite Service with Summer Skin Ritual
Yon-ka is taking over our experience room for a limited time with the Yon-Ka Summer Skin Ritual.
For the duration of this promotion, the Bali Revitalizing Ritual is getting the Summer Skin upgrade, featuring Yon-Ka’s Gommage aux Sucres – Mandarin.
For the same price as the client-favorite Bali experience, each client who books the Summer Skin Ritual will receive their own full-size Gommage aux Sucres – Mandarin to self-apply during the session + take home ($60 Value).
Self-apply the Gommage, from Yon-Ka’s Aroma Fusion line, as you detoxify in the steam of our beautifully-appointed Experience Room, with tranquil music + color therapy to amplify your relaxation. This product combines the exfoliating + moisturizing elements of the standard Bali experience in one single product.
After massaging this sugar scrub from neck to toe to buff away imperfections, utilize the Experience Room’s multiple shower heads. The warm water activates the product to melt into a nourishing milk to hydrate the skin with a silky finish.
1 person 40 min $85
For 2-6 people 40 min $75 per person
Members can experience the Yon-Ka Summer Skin Ritual beginning April 16. The service is live for everyone on May 1.
Interested in exclusive perks like this one, learn more about our memberships, which just won Best Wellness Membership in Boston Common Magazine’s Best of Luxury Beauty 2025!
*Each person who books this service will receive a Yon-Ka Gommage aux Sucres – Mandarin to use in service + take home the remaining product. ($60 value). While Supplies Last.
Call or Text 617-262-2220 to Book.
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.
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.
Open Newbury Walk-In Special
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.
Events
Beat the Group Booking Rush!
As the city begins to come alive with warmer weather on the way, now is the perfect time to get your group bookings scheduled.
With limited group availability, we don’t want you to miss out on your summer celebrations at G2O.
Whether you are celebrating a birthday, engagement, a new addition to your family, or just need to reunite with friends, G2O is the perfect place to gather and unwind.
Unsure what to book? Our experience room services, salt cave, cold plunge, nails services, and two couples massage rooms are our most popular group options.
When you are ready to book, contact our Manager of Operations + Group Bookings, Catherine, by clicking here. Share as much information about possible dates, the size of your group, and what services you would like in your initial inquiry to help expedite the booking process so we can secure your preferred date.
New to G2O
We won Boston Magazine’s Best of Boston® 2025 – Best Massage!
Book today to secure your time with our award-winning, in-demand team of massage therapists.
Looking to try something new? Try our Himalayan Salt Rejuvenation.
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.
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.
G2O is 1 of only 5 Salons in MA with New Diagnostic Technology from Kerastase!
The future of haircare is here. Introducing Kerastase’s NEW K-Scan, a revolutionary diagnosis tool that reveals the secret to your healthiest hair yet. Ask your stylist about K-Scan when your appointment begins to change the future of your hair with a super-charged consultation!
Botox + Fillers are back!
Your favorite one-stop-shop now has even more to offer.
Every other Thursday, from 6pm-8pm, Botox + Fillers will be available from Wendy Diamond Snyder, RN.
Meet Wendy Diamond Snyder, RN |
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Wendy Diamond Snyder, RN has been dedicated to medical aesthetics for over 15 years, specializing exclusively in advanced treatments. She has trained alongside top plastic surgeons and has been recognized among the top 500 practitioners in her field. In addition to her expertise, Wendy has mentored and trained nurses entering the industry while staying at the forefront of the latest advancements in aesthetic medicine. As the owner and sole practitioner of Personal Precision Medical Aesthetics in Needham, MA, Wendy is committed to providing personalized care in a welcoming, pressure-free environment. During a comprehensive consultation, she will create a customized treatment plan tailored to your aesthetic goals, ensuring you feel informed, confident, and empowered every step of the way. |
Pricing |
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Botox per unit: $14 Dysport/Xeomin also available Dermal Fillers per syringe: Wendy Diamond Snyder, RN will consult with you during your appointment to determine the price for your specific goals. |
How to Book Botox + Fillers |
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To book, call or text us at 617-262-2220 for a 30-minute Botox or 15-minute Filler appointment. This offering will not be available to book online. Cancellation Policy for appointments with Wendy Diamond Snyder, RN: If you must reschedule or cancel your appointment, please notify us 48 hours in advance to avoid a charge. Late cancellation, failure to arrive for your appointment or notify us, will result in a $100 charge for the reserved services with Wendy, in addition to the usual charges for any services with our other providers per our cancellation policy. |
Day Passes Now Available
Whether you’re looking to relax or let off some steam between appointments, you can now enjoy our amenities with Day Pass options as of Jan 1, 2025.
Day Passes provide you with access to our Co-ed Sauna, Steam Room, Locker Room, Robes, Slippers, Fireside Lounge, + Relaxation Lounge.
Single-Day Weekday Pass (Tuesday – Friday) – $60
Single-Day Weekend Pass (Saturday – Sunday) – $80
4-Day Weekday Pass (All 4 Days, Tuesday – Friday) – $180
*Additional space for Day Pass holders is limited, and we cannot guarantee all amenities will be available during your visit. Access and use of amenities is subject to availability. Day Pass Holders will need to show a photo ID at check-in to gain access to our amenities. If you decide to book a service during your visit, the value of your day pass will be applied to the cost of your service, but service must be performed on day that you purchased the Day Pass. This is non-transferable and will not roll over.
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