Seoul National University Station Square Jaw Botox: Effects and How Long They Last

Square Jaw Botox: Effects and How Long They Last

| If your angular jawline has been bothering you every time you look in the mirror, |

this is a treatment you may have heard about at least once.

Square jaw Botox has continued to attract attention among people who want to refine their facial contours.

In this article, we will take a step-by-step look at how square jaw Botox works, how effective it is, how long the effects last, and what to keep in mind.

If you are considering the treatment, we have organized information that may be helpful to know in advance.

Table of Contents

• What kind of treatment is square jaw Botox?

• Effects and duration of square jaw Botox

• Who may be well suited for square jaw Botox?

• Important precautions after treatment

• Q&A

Summary

Square jaw Botox is a treatment that temporarily reduces jaw muscle activity using botulinum toxin.

The effects gradually appear over the course of several weeks after treatment and are generally known to last around 4–6 months. However, this may vary from person to person.

It may be considered an option for those who want to naturally refine an angular jawline.

Following daily-life precautions after treatment may affect the results.

What kind of treatment is square jaw Botox?

Square jaw Botox works by injecting botulinum toxin into the jaw muscle, known as the masseter, to temporarily reduce muscle activity.

When the muscle is excessively developed, the ingredient temporarily inhibits signal transmission between the nerves and muscles, which may gradually reduce muscle volume.

If the angular part of the jawline is caused by muscle, improvement may be expected.

Key point: First determine whether your angular jaw is caused by the muscle (masseter) or by the underlying bone structure.

Effects and duration of square jaw Botox

You may not notice an immediate change right after treatment; the effects generally appear gradually over several weeks.

Once the effects appear, they generally last around 4–6 months.

The timing of onset and duration may vary depending on an individual’s muscle mass and physical condition.

If you want ongoing management, it is advisable to discuss the interval between repeat treatments with an experienced physician.

Table 1 - Comparison of the square jaw Botox effect timeline

Timing	Condition after square jaw Botox	Notes
Immediately after treatment	No major change	Swelling or temporary discomfort may occur
Several weeks later	Effects gradually appear	Individual differences may occur
4–6 months later	Effects gradually decrease	Consider retreatment if you want to maintain the effects

Who may be well suited for square jaw Botox?

People often choose this treatment when they want to improve an angular jawline caused by developed muscles and create more natural-looking facial contours.

It may also be worth considering for those who are concerned about their jawline.

However, if the bone structure itself is broad, it is important to adjust expectations, making a consultation beforehand essential.

Table 2 - Checklist of people who may be suitable for square jaw Botox

Type of concern	Suitability of square jaw Botox	Notes
The jaw looks angular because the jaw muscles are developed	Suitable	Improvement may be expected
The jaw looks broad because of the bone structure	Limited	Assessment is needed after consultation
Want to refine facial contours	May be considered	Consider treatment alone or in combination

First identifying the cause of your concern is directly related to your satisfaction with the treatment.

Key point: Check whether the area beside your jaw bulges outward when you normally clench your teeth, which may indicate developed masseter muscles.

Important precautions after treatment

Follow the instructions regarding whether washing your face and applying makeup are permitted on the day of treatment, and avoid rubbing or otherwise irritating the treated area.

For a certain period after treatment, it is recommended that you abstain from alcohol and smoking and avoid saunas and strenuous exercise.

Carefully applying sunscreen and moisturizer can also help maintain skin condition.

Following these precautions properly may affect how well you experience the treatment effects.

Table 3 - Summary of precautions after square jaw Botox

Item	Details
Sauna, public bath, and strenuous exercise	Recommended to avoid
Irritation to the treated area	Avoid rubbing or pressing
Washing your face and applying makeup	Do so gently, without irritation

There may seem to be many precautions, but they generally do not significantly interfere with daily life, so the treatment tends to involve relatively little inconvenience.

Q&A

Q1. Does square jaw Botox completely eliminate the muscle?

A1. It does not eliminate the muscle. Instead, it temporarily inhibits signal transmission between the nerves and muscles to reduce muscle activity.

Q2. Are the effects visible immediately after treatment?

A2. Most people find it difficult to notice a major change immediately after treatment, and the effects gradually appear after several weeks.

The absence of an initial change does not mean the treatment is ineffective, so it is best to wait a little longer.

However, this may vary from person to person.

Q3. How long do the effects last?

A3. The effects are generally known to last around 4–6 months.

The duration may vary depending on an individual’s muscle mass and lifestyle habits.

Q4. Will the effects last longer if I receive repeated treatments?

A4. It is known that receiving regular repeat treatments may tend to keep the muscles in a gradually less developed state.

However, individual differences make it difficult to state this definitively, so it is advisable to adjust the treatment interval through consultation with an experienced physician.

Q5. Will the effects wear off faster if I have a habit of grinding my teeth frequently?

A5. Habits such as clenching your teeth tightly or frequently chewing tough foods continuously stimulate the masseter muscles, so they may affect how long the effects last.

If you want to maintain the treatment effects for longer, it may also be helpful to review your usual habits.

Conclusion

Square jaw Botox is a treatment that may provide a change in the jawline.

The effects vary from person to person, and properly following the precautions after treatment may also affect the results.

Accurately identifying the cause and first consulting with an experienced physician is the best first step toward satisfactory results.