Jaw Botox in Korea: Masseter Reduction Prices & Best Clinics 2025

8 min readBy Seoul Skin Guide Team
Jaw Botox in Korea: Masseter Reduction Prices & Best Clinics 2025
#jaw botox#masseter botox#face slimming#V-line

Jaw Botox in Korea: Your Complete Guide to Masseter Reduction and V-Line Transformation

The coveted V-line face shape has become synonymous with Korean beauty standards, and jaw Botox (also known as masseter Botox) remains one of the most popular non-surgical treatments for achieving this look. If you are considering traveling to Korea for this procedure, you are making a smart choice. Korean clinics offer world-class expertise at a fraction of Western prices, with practitioners who perform thousands of these procedures annually.

What Is Jaw Botox and How Does It Work?

Jaw Botox involves injecting botulinum toxin into the masseter muscles, which are the large muscles responsible for chewing. These muscles sit on either side of your jaw and can become overdeveloped from habits like teeth grinding, gum chewing, or simply genetics.

The science behind it is straightforward: botulinum toxin blocks the release of acetylcholine, a neurotransmitter that signals muscles to contract. When the masseter muscle receives less of this signal, it gradually weakens and shrinks over time. This reduction in muscle mass creates a slimmer, more tapered jawline without any surgery or bone shaving required.

The treatment specifically targets the lower portion of the masseter muscle, with practitioners typically injecting at 3-4 points below an imaginary line connecting your earlobe to the corner of your mouth. This precise placement ensures the chewing function remains intact while achieving maximum aesthetic results.

How Jaw Botox Creates the V-Line Effect

The V-line refers to a slim, heart-shaped face that tapers elegantly from the cheekbones down to a narrow chin. In Korea, this facial shape is considered highly desirable and youthful.

When your masseter muscles are overdeveloped, they create a square or rectangular appearance to the lower face. You can check this yourself: clench your teeth and feel the sides of your jaw. If you notice hard, bulging muscles, you are an excellent candidate for this treatment.

As the Botox takes effect over several weeks, those prominent muscles gradually shrink. The result is a naturally softer, more oval facial contour. Many patients report that their face looks slimmer in photos and that they appear more feminine or refined.

Ideal Candidates for Masseter Botox

Jaw Botox works best for individuals who meet the following criteria:

You are a good candidate if:

  • You have visibly enlarged masseter muscles when clenching your teeth
  • Your square jaw is caused by muscle development rather than bone structure
  • You grind your teeth at night (bruxism) and experience jaw tension
  • You want facial slimming without surgery or downtime
  • You have realistic expectations about gradual, temporary results

You may not be ideal if:

  • Your square jaw is primarily due to bone structure (jaw surgery may be more appropriate)
  • You are pregnant or breastfeeding
  • You have neuromuscular disorders
  • You have had allergic reactions to botulinum toxin products

During your consultation in Korea, the doctor will assess your facial structure and muscle development to determine if Botox alone will achieve your goals or if combination treatments might be recommended.

Units Needed and Price Comparison

One of the most common questions international patients ask is how many units they will need. Research indicates that 48-72 units provides the most effective results for jaw reduction. Depending on your muscle size, you may need anywhere from 50 to 100 units total.

Here is a breakdown of typical pricing in Korea:

Clinic TypePrice Range (KRW)Price Range (USD)
Budget clinics₩50,000 - ₩100,000$38 - $77
Mid-range clinics₩100,000 - ₩200,000$77 - $154
Premium clinics₩200,000 - ₩400,000$154 - $308

Prices vary based on the brand of botulinum toxin used:

  • Korean brands (Botulax, Meditoxin, Nabota): Most affordable, MFDS-approved, widely used
  • Xeomin (German): Mid-range pricing, pure formulation
  • Allergan Botox (American): Premium pricing, globally recognized brand

For comparison, the same treatment in the United States costs $400-$800 per session, with some metropolitan areas charging $12-$20 per unit. Korea offers significant savings even after factoring in travel costs.

The Procedure: What to Expect

The actual treatment is remarkably quick and straightforward:

Duration: Approximately 5-10 minutes

Pain level: Minimal, described as a slight pinch. Most Korean clinics perform the procedure without anesthesia, though numbing cream is available upon request.

Process:

  1. Consultation and facial assessment
  2. Marking of injection points
  3. Cleansing the treatment area
  4. Injection of Botox at 3-4 points per side
  5. Light massage to distribute the product
  6. Post-treatment instructions

There is no downtime, and you can return to normal activities immediately. However, you should follow these guidelines:

  • Avoid chewing for 2 hours after treatment
  • Remain upright (do not lie down) for 5 hours
  • Skip alcohol, saunas, and hot baths for one week
  • Avoid hard or chewy foods that heavily engage the jaw muscles

Results Timeline and Duration

Patience is key with jaw Botox. Unlike wrinkle-smoothing Botox that shows results in days, masseter reduction is a gradual process:

Week 1-2: You may notice reduced jaw tension, especially if you grind your teeth

Week 4-6: Visible slimming begins as the muscle starts to shrink

Week 8-12: Maximum results achieved; jawline appears noticeably slimmer

Results last: 4-6 months on average, though this varies based on individual metabolism and lifestyle factors

For optimal and longer-lasting results, Korean practitioners typically recommend a series of 3-5 treatments spaced 3-6 months apart. With repeated treatments, the muscle takes longer to regain its size, and you may eventually extend the time between maintenance sessions.

Before and After: Setting Realistic Expectations

Jaw Botox can create meaningful changes, but understanding realistic outcomes helps ensure satisfaction:

What you can expect:

  • A 20-30% reduction in masseter muscle size
  • Softer, more oval facial contour
  • Relief from jaw tension and teeth grinding
  • Natural-looking results that develop gradually

What you should not expect:

  • Dramatic changes to bone structure
  • Immediate results
  • Permanent transformation from a single treatment
  • Significant changes if your jaw shape is skeletal rather than muscular

Most patients are highly satisfied with their results, particularly after 2-3 sessions when the cumulative effect becomes more pronounced.

Top Seoul Clinics for International Patients

Several Seoul clinics have established strong reputations for treating international patients:

Myeongdong Area:

  • Convenient location near major hotels and shopping
  • Many clinics offer English-speaking staff and tax refunds for foreigners
  • Popular budget-friendly options available

Gangnam Area:

  • High concentration of aesthetic clinics
  • Premium facilities and latest techniques
  • Home to many celebrity-frequented clinics

Hongdae Area:

  • Known for individualized care
  • Often more affordable than Gangnam
  • Trendy, accessible neighborhood

When choosing a clinic, look for:

  • English-speaking consultation available
  • Clear pricing with no hidden fees
  • Board-certified practitioners
  • Positive reviews from international patients
  • Tax refund assistance for medical tourists

Apps like Gangnam Unni allow you to compare prices and read reviews from hundreds of clinics offering jaw Botox treatments.

Frequently Asked Questions

How painful is jaw Botox? Most patients describe it as a minor pinch, similar to any injection. The procedure is quick enough that discomfort is minimal.

Can I eat normally after the treatment? Wait 2 hours before eating, then stick to soft foods for the first day. Avoid hard, chewy foods for optimal results.

Will my face look unnatural? When performed by an experienced practitioner, results appear completely natural. The slimming effect develops gradually over weeks.

How often do I need maintenance treatments? Initially every 4-6 months, though this interval often extends with repeated treatments as the muscle becomes trained to stay smaller.

Can jaw Botox help with teeth grinding? Yes, many patients report significant improvement in bruxism symptoms and jaw tension, making this treatment beneficial beyond aesthetics.

Is it safe to get Botox in Korea? Korean clinics are highly regulated, and practitioners perform extremely high volumes of these procedures. The botulinum toxin products used are MFDS (Korean FDA) approved.

Medical Disclaimer

This article is for informational purposes only and does not constitute medical advice. Jaw Botox is a medical procedure that should only be performed by qualified healthcare professionals. Results vary between individuals, and all cosmetic procedures carry some risk of side effects. Always consult with a licensed practitioner to determine if this treatment is appropriate for your specific situation. The prices mentioned are approximate and subject to change based on clinic, brand, and individual treatment needs.


Planning your Korean beauty journey? Jaw Botox offers a non-surgical path to the coveted V-line face shape, with Korean clinics providing exceptional expertise at competitive prices. Book a consultation to discover if masseter Botox is right for you.