Jaw Botox · A Street & L Street, South Boston
Masseter Botox in Boston
Jaw Botox for clenching, grinding and a slimmer jawline. $13 per unit, $11 per unit on your first visit.
Medically directed and founded by Olivia Kelly, NP, NP, RN — Licensed since 2003.
Masseter Botox relaxes the chewing muscle at the corner of your jaw. Clients book it to ease clenching and grinding, relieve jaw tension, and soften a square jawline. Every treatment is done by a licensed injector under our Medical Director, Olivia Kelly, NP, at 47 L Street or 36 A Street in South Boston.
Fast booking
Book Botox
Price: $50 deposit
Pay online to lock your slot, or request on Vagaro in one step.
Or request on Vagaro below
Mention jaw/masseter Botox when you arrive. The $50 deposit comes off your total.
Pricing
Transparent pricing
Masseter Botox — per unit
$13
Unit count confirmed at your visit
First-time clients
$11/unit
Your first Botox visit
Members
15% off
Off the $13 per-unit rate
Booking deposit
$50
Comes off your Botox total
HSA/FSA accepted. Ask about membership pricing.
Benefits
Why patients choose Masseter Botox
Less clenching
A relaxed masseter can ease grinding and jaw tension.
Slimmer jawline
Softens a square lower face over several weeks.
Licensed injectors
Medically supervised treatment, every visit.
Clear pricing
Pay per unit, with no packages to buy.
Who it's for
Is Masseter Botox right for you?
- Jaw clenching and teeth grinding
- Jaw tension and soreness
- A wide or square jawline
- Adding jaw to forehead or 11s Botox
The process
What to expect at your visit
Quick consult
We check your jaw and recommend units.
Injections
A few minutes per side with a fine needle.
Relief first
Clenching often eases within the first couple of weeks.
Shape later
Jawline slimming builds gradually over weeks.
Locations
Two South Boston clinics
IV League Hydration — L Street (East Campus)
47 L StreetSouth Boston, MA 02127
Mon – Tue: 10am – 6pm · Wed: Closed · Thu – Fri: 10am – 6pm · Sat – Sun: 10am – 2pm
IV League Hydration — A Street (West Campus)
36 A StreetSouth Boston, MA 02127
Mon – Tue: 10am – 6pm · Wed: Closed · Thu – Fri: 10am – 6pm · Sat – Sun: 10am – 2pm
Serving South Boston, Seaport, Fort Point, City Point, Dorchester Heights, the Financial District, Back Bay, Beacon Hill, the South End, the North End, Cambridge and Brookline.
Neighborhood pages:South BostonSouthie / L StreetBack BayBeacon HillSouth EndNorth EndSeaportCambridgeBrookline
Looking for a specific treatment in your neighborhood? Browse the Boston neighborhood service directory.
See our full guide to IV therapy in Boston. Mobile IV service available anywhere in Greater Boston — learn about mobile IV in Boston or see our mobile IV group events guide.
FAQ
Common questions
How much does masseter Botox cost in Boston?
Masseter (jaw) Botox is $13 per unit at IV League Hydration, or $11 per unit on your first visit. Members get 15% off the $13 rate. Your injector confirms how many units you need at your visit.
How many units does jaw Botox take?
It varies by person and muscle size. Your injector assesses your jaw and recommends a unit count before anything is injected, so you know your total up front.
Does masseter Botox help with clenching and grinding?
Yes. Relaxing the masseter muscle can ease clenching and grinding and the jaw tension that comes with it.
Will jaw Botox slim my face?
Over several weeks, a relaxed masseter can soften a square jawline for a slimmer lower face.
Where can I get masseter Botox in Boston?
At both South Boston clinics: 47 L Street and 36 A Street.
How do I book?
Pick a clinic, date and time above and pay a $50 deposit. The deposit comes off your Botox total; the rest is paid at your visit.
What Boston is saying
A selection of five-star reviews from real clients across our A Street, L Street, and mobile IV service.
"Absolute lifesaver after a long weekend. The nurses are so friendly and knowledgeable — I walked out feeling brand new. The A Street clinic is beautiful too. I'll be back!"
"Best IV drip in Boston, hands down. Courtney and the team really care and take the time to build the perfect drip for you. The Hail Mary is a game-changer before a long travel day."
"I've been going for the The Knockout drip and B12 shots for months. My energy and skin have never looked better. It's clear these are real nurses who know what they're doing."
"Booked the mobile IV for a bachelor party at our Airbnb — nurse showed up early, super professional, and everyone felt human again in 45 minutes. 10/10 would recommend."
"The semaglutide program has been life-changing. Real medical oversight, monthly check-ins, and no gimmicks. So glad I chose IV League over the sketchy online options."
"Went in for a NAD+ drip and left feeling sharper than I have in years. The team explains everything, the space is clean and calm, and prices are super transparent."
Ready to book masseter botox?
Same-week appointments available. Free consultations for weight loss and peptide clients.