First published: 2022-10-11 / Last reviewed: 2026-05-28
This is a guide to Botox compiled by Dr. Choi Byeong-geun of SHINE U Clinic Konkuk (3 minutes' walk from Konkuk Univ. Station, Exit 1).
As the preference for a softer impression has grown, more men are also concerned about their angular jawlines. While developed masticatory muscles can create a strong impression, they are sometimes considered a factor that detracts from one's charm. Let's summarize how male square jaw Botox works.
Reasons for the development of a square jaw
The jaw area is prone to muscle development due to masticatory movements when chewing food or speaking.
- Developed masticatory muscles can make the jaw appear angular.
- Men often have wider bone structures and more flesh, which can make it difficult to create a sharp line.
It is reported that an angular jawline is greatly influenced not only by the bone structure but also by developed masticatory muscles.
How Botox works
Botox temporarily restricts muscle movement using botulinum toxin. When injected into the square jaw, it reduces the activity of overly developed masticatory muscles when chewing food, thereby reducing their volume.
- It can help achieve a slimmer line without shaving the jawbone.
- It can also alleviate wrinkles in the facial expression muscles.
Consult us to find out if your jawline is due to muscle or bone
Procedure and progress
| Item | General progress |
|---|---|
| Procedure time | Relatively short (approx. 5-10 minutes) |
| Time to see changes | From about 3 weeks later |
| Duration of effect | 3-6 months (individual differences) |
Since the muscles naturally atrophy after injection, it takes some time for changes to become visible. The duration of the effect may vary depending on the individual.
Things to know
- It is recommended to avoid saunas, jjimjilbangs, and baths for 1-2 weeks.
- It is best to refrain from resting your chin on your hand or immediately chewing tough foods.
Men's facial contours differ from women's, so it is important to plan while considering the overall facial balance and the distribution of muscles and fat. Using high doses indiscriminately is not always good, so it is safer to analyze the wrinkle range and muscle development to design the treatment. The results and suitability may vary depending on the individual.
If you are curious about male jaw Botox, ask us via chat
If you are curious about other areas such as the temples, you can also refer to the Botox information.
Authored by: Dr. Choi Byeong-geun (Chief Director of SHINE U Clinic Konkuk / Member of the Korean Society for Laser Dermatology and Hair, the Korean Academy of Aesthetic Plastic Surgery and Laser Medicine, the Korean Filler Society, etc.) Last reviewed: 2026-05-28
This article is provided for general procedure information and does not replace diagnosis or treatment. The suitability and results of the procedure may vary depending on the individual.