Masseter (Square Jaw) Botox in Dongseong-ro, Daegu

Toxin injections that relax an enlarged chewing muscle to slim a square jaw and soften the lower face.

Quick answer: Masseter Botox at JRYN Clinic Daegu relaxes the masseter, the main chewing muscle at the angle of the jaw, so it gradually becomes smaller and the face looks slimmer. You can choose domestic, high-purity domestic or imported toxin. The jaw slims over about 2–6 weeks, and the result is usually maintained every few months.

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What is Masseter (Square Jaw) Botox?

Masseter, or square jaw, Botox is a non-surgical way to narrow a wide lower face caused by a bulky chewing muscle. It may also ease tension for people who clench or grind their teeth. It is one of the most requested toxin treatments in Korea.

How it works

The doctor feels the muscle while you clench to judge its size and mark safe points, then injects on each side. As the muscle is used less it slowly shrinks, so the jawline looks softer over the following weeks. Results tend to build with repeat treatment, and the clinic lists single sessions as well as courses of three. For a fuller slimming plan, combine it with salivary gland Botox.

Korean name: 사각턱 보톡스

At a glance

Treatment time	About 10 minutes
Numbing	Ice or numbing cream
Downtime	Little; chewing may feel weaker for a few weeks
Sessions	Repeat about every 4–6 months
Where	JRYN Clinic Daegu, 20 Dongseong-ro

3 minutes' walk from Jungangno Station (Line 1) Exit 2. Mon–Fri 10:30–20:00, Sat 10:30–16:30.

Get a plan on WhatsApp

Who it suits

Masseter (Square Jaw) Botox may suit you if…

Your jaw looks wide or square from the front
You clench or grind your teeth
You want a slimmer face without surgery
You are happy to wait a few weeks for change

Visitor tips

Before & after your visit

Have it early in your stay; the slimming mostly shows after you go home
Avoid very chewy or hard foods for a few days
Do not massage the jaw on treatment day
Skip saunas and alcohol that day

At JRYN Daegu

How your visit works

Guide for foreigners →

Message us
Send your concern and travel dates on WhatsApp.
Get options
We reply with suitable treatments and an estimate in won.
Walk from Exit 2
3 minutes from Jungangno Station on Dongseong-ro.
Consult & treat
1:1 consultation; plan and total confirmed before treatment.
Aftercare
Aftercare advice and WhatsApp support after you fly home.

FAQ

Masseter (Square Jaw) Botox questions

When will my jaw look slimmer?

Change is gradual, usually noticeable from about 2–4 weeks and clearer by around 6 weeks.

Will masseter Botox affect chewing?

Tough food can feel harder to chew for a few weeks, but normal eating is not affected.

Is a square jaw always caused by muscle?

Not always. Bone shape and salivary glands can contribute, so the doctor checks what is creating the width before planning.

Can I book Masseter (Square Jaw) Botox in English?

Yes. Message JRYN Clinic Daegu on WhatsApp (+82-10-5573-7574) with your concern, photos and travel dates. The team replies with suitable options, and the doctor confirms the plan at a 1:1 consultation.

How much does Masseter (Square Jaw) Botox cost at JRYN Daegu?

The price depends on the toxin type (domestic, high-purity domestic or imported) and whether you choose a single session or a course of three. It is quoted in Korean won and confirmed with you before treatment. Ask on WhatsApp for today's price and any current offer. See how pricing works.

Medically reviewed by Dr. Cho Seon-a, representative director, JRYN Clinic Daegu. Last reviewed October 2026. General information only; results vary and your doctor confirms suitability at consultation.