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2025.07.25
Why Do I Have a Double Chin Even Though I'm Not Overweight? Explaining Causes and Treatments
A dual-specialty doctor with a background in plastic surgery, bridging cosmetic surgery and ophthalmology. At the university hospital, he performed numerous high-difficulty cases, primarily focusing on eye and facial bone surgeries, cultivating precise techniques grounded in anatomy. He prioritizes achieving both aesthetic beauty and functional safety, offering customized treatments around the eyes that incorporate ophthalmological expertise. He actively utilizes not only incisional surgery but also non-invasive procedures like hyaluronic acid injections. By carefully assessing each individual's condition and unique appeal, he provides bespoke treatments that guide patients toward naturally harmonious, well-defined eyes.
Hello, I'm Ryutaro Natsume, a plastic surgeon specializing in image enhancement.
Achieve the elegant, refined, and sharp facial contours everyone desires through aesthetic medicine.
Left: Before surgery, Right: After surgery Procedures: Liposuction (facial contour, under the chin, malar fat), buccal fat removal, thread lift
I think many Japanese people, even if they aren't particularly overweight, tend to be concerned about having a double chin.
We'll explain the causes and treatments!
Causes and Treatment Methods
・Teeth alignment issues
With a normal bite, the space inside the mouth is kept wide.
If your front teeth and back teeth don't align properly, you have to bite down harder, which makes the space narrower.
When the space is narrow, the tongue is pushed downward, making the volume under the jaw appear larger.
Additionally, if you have a habit of pulling your lower jaw back to align your bite, this is called a receding lower jaw, making your jaw appear smaller.
This is one cause of the common "no jawline" + "double chin" facial contour.
Treatment Methods
Fundamentally, it involves orthodontic treatment (or bone resection if orthodontics alone is insufficient).
However, even if your teeth are straightened, the fat under your chin won't disappear. To achieve a beautiful jawline, you ultimately need to reduce the fat under your chin.
Therefore, regardless of whether you're undergoing orthodontic treatment or not, I recommend addressing fat through cosmetic procedures.
Aesthetic Approach
HIFU: Has fat-dissolving effects.
Volnuma: Has a firming effect.
Submental Liposuction: A small incision is made under the ear to suction out excess fat. Significant changes can be achieved in a single session.
Fat-dissolving injections: Multiple treatments are required at monthly intervals.
・Skeletal issues
Japanese people have a short jaw in the anterior-posterior direction.
As a result, the oral cavity becomes narrower, pushing the tongue forward and making the volume under the jaw appear larger.
Treatment options include HIFU, Voluma, submental liposuction, and fat-dissolving injections, as mentioned earlier.
・Overall body fat percentage is high
In this case, it's simply because there's a high overall amount of fat, so dieting can improve it to some extent.
However, by removing fat locally to reduce the relative proportion of body fat, it becomes less likely for fat to accumulate even if weight rebounds.
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※There are various approaches to aesthetic medicine, and opinions and practices may differ among physicians. Please consider the information provided here as one reference only, and we hope you will choose medical care that suits you and meets your expectations.
We apologize if any unintended inaccuracies or misleading expressions were included. In such cases, we will make appropriate corrections or additions.
【Profile】
Plastic Surgeon Dr. Ryutaro Natsume
https://biancaclinic.jp/doctor/natsume/
Performed numerous facial surgeries, particularly focusing on the eye area and facial bones, in the field of plastic surgery.
Regarding treatments for the eye area, I believe that not only aesthetic appearance but also ophthalmic functionality is extremely important. To provide safer and more reliable treatments, I am currently deepening my expertise as an ophthalmologist.
We actively incorporate non-surgical procedures such as hyaluronic acid injections, in addition to treatments requiring surgical instruments.
From a multifaceted professional perspective encompassing cosmetic surgery, cosmetic dermatology, reconstructive surgery, and ophthalmology
BIANCA CLINIC, a leading Japanese clinic specializing in beauty and regenerative medicine, provides the latest aesthetic treatments.
【Career】
2020: Graduated from Tokyo Medical University Tokyo Metropolitan Saiseikai Central Hospital
2022 Jikei University Hospital Department of Plastic Surgery
2023 Department of Plastic Surgery Jikei University School of Medicine Kashiwa Hospital
2024 BIANCA CLINIC
【Professional Affiliations/Qualifications】
Japanese Society of Aesthetic Surgery (JSAS)
Full Member of the Japan Society of Plastic and Reconstructive Surgery
Full Member of the Japanese Society of Craniofacial Surgery
Full Member of the Japanese Ophthalmological Society
【SNS】
Instagram account
https://www.instagram.com/dr.natsume?igsh=OHBvd3VtajV1bmY1&utm_source=qr
