Dr. Yayoko Ito
Profile
Graduated from Hiroshima University School of Medicine. After working in the Department of General Medicine, he studied under doctors at the forefront of cosmetic medicine. After acquiring knowledge and skills in aesthetics, he became the director of YAYOI CLINIC in 2023. Her specialties include Botox, hyaluronic acid injections, and customized sagging treatment. His motto is to provide natural and pain-free treatments with careful consultation.
We’ll explain in detail what Botox injections are and describe the Botox treatment offered at YAYOI CLINIC in Hiroshima.
- What Are Botox Injections? How They Work
- Changes You Can Expect from Botox Injections
- Tips for Choosing the Right Clinic for You in Hiroshima
If you're concerned about wrinkles or a prominent jawline, or if you're considering getting Botox injections in Hiroshima, please use this as a reference.
What is Botox injection?

Botox injections are a treatment used to address concerns related to muscle movement, such as expression lines and a square jawline. They are widely offered at cosmetic dermatology practices and cosmetic clinics.
By injecting a substance called botulinum toxin* into the muscles, it acts on the nerves involved in muscle movement. As a result,It inhibits muscle contraction, making wrinkles caused by facial expressions and changes in facial contours due to muscle development less noticeable.Treatment.
* A type of protein produced by Clostridium botulinum
Changes You Can Expect from Botox Injections and Target Areas
Here, we’ll introduce the changes you can expect from Botox injections and the areas they can be used on.
| Body Part (Treatment Name) | problem | feature |
| Shoulders (Shoulder Botox) | ・My shoulders look bulgy
・I'm concerned about my poor posture ・I have severe shoulder stiffness |
Injected into the muscles around the shoulders and neck, it relieves muscle tension to create a sleek shoulder line. |
| Underarms (Underarm Botox) | ・Underarm sweat causes stains on clothes
・It's a hassle to apply deodorant ・I'm concerned about underarm odor |
By injecting medication into the areas associated with underarm sweating and acting on the nerves involved in perspiration, this treatment helps alleviate concerns related to sweating. |
| Jawline (Jawline Botox) | ・I want to refine the appearance of my facial contours
・I'm self-conscious about my prominent jawline ・I want to make my face look slimmer |
By injecting the solution into the developed masseter muscle and affecting its function, you can achieve a sharper facial contour. |
When people hear the term “Botox injections,” many may think of “jawline Botox,” which is used to reduce a square jawline. However, Botox injections aren’t just for the jawline—It is used on various parts of the body, such as the shoulders and armpits.. At Hiroshima Yayoi Clinic, we recommend treatments tailored to each individual’s unique concerns.
If you’re in Hiroshima and want to find the right Botox treatment for you, we recommend that you consider consulting with a doctor or specialized staff—rather than relying solely on information from the internet or online reviews. At our clinic, you can book a free consultation online or contact us via LINE, so please feel free to reach out.
▼Learn more about Botox injections at Yayoi Clinic
▼ Yayoi Clinic's LINE Consultation Page
The Pros and Cons of Botox Injections

Botox injections have not only benefits but also drawbacks. It’s important to understand the precautions and risks as well.
| Advantages | ・Since this procedure does not involve incisions, it is designed to minimize the physical strain on the body.
・You may notice changes after the treatment at an early stage. ・The treatment time is relatively short, making it convenient even for busy people |
| demerit | ・Swelling, redness, pain, or bruising may occur at the injection site.
・Facial expressions can sometimes look unnatural ・The duration varies from person to person and is not permanent. |
Botox injections are a treatment that can reduce the appearance of wrinkles and help improve a square jawline without the use of a scalpel, thereby minimizing the physical strain on the body.Since the treatment time is relatively short, it's easy to make plans for after the treatment.This can also be considered an advantage.
On the other hand, the duration varies from person to person, andIt is not permanent.. In addition, depending on the amount injected and the injection site, facial expressions may appear unnatural. Furthermore, redness, swelling, pain, or bruising may occur at the injection site.
After understanding the pros and cons, choose the treatment option that best suits your needs and concerns.
Features of Botox Injections at Hiroshima Yayoi Clinic

The specific Botox product used and the dosage may vary depending on the clinic. Here, we’ll introduce the features of the Botox injections offered by Hiroshima Yayoi Clinic.
Proprietary injection technique that reduces pain
At Hiroshima Yayoi Clinic, in order to provide treatments that minimize pain,Uses a proprietary formulation developed by BIANCA CLINICThat's right. With standard Botox injections, you may feel some pain when the medication is injected. For this reason, some people may feel anxious, worrying that the procedure will be painful.
A key feature of our clinic is that we tailor our treatments to each individual while taking care to minimize any discomfort or strain during the injection process.
A Wide Variety of Menu Items and Suggestions for Slow Aging
At Hiroshima Yayoi Clinic, our Botox injections aren’t limited to treatments for the jawline, underarms, and shoulders—we also offer treatments designed to address the subtle changes that tend to become more noticeable with age.
| Name of treatment | feature |
| Botox for the Corners of the Mouth | Lift sagging corners of the mouth to achieve a more defined mouthline |
| Botox for the Sternocleidomastoid Muscle | A treatment ideal for those concerned about wrinkles around the neck or sagging along the jawline |
| Microbotox | Addresses concerns related to enlarged pores, excess oil, and sweat |
Botox for the corners of the mouth, Botox for the platysma muscle, and micro-Botox are,It is being adopted as one option for addressing changes that tend to become a concern as we age.。
Some of you may be wondering, “There are so many options—I don’t know which treatment to choose,” or “Which Botox treatment is right for my specific concerns?” At Hiroshima Yayoi Clinic, we assess each patient’s individual concerns and condition before proposing a treatment plan tailored to their needs. Please feel free to reach out to us for a free consultation or via LINE.
▼ Yayoi Clinic's LINE Consultation Page
Frequently Asked Questions (FAQ) About Botox Injections
Finally, we’ve compiled a list of frequently asked questions about Botox injections in a Q&A format.
Q. When will I start to notice the effects? How long do they last?
A. While the results and timing of Botox injections vary from person to person, people often begin to notice gradual changes 2 to 3 days after the procedure. The effects are said to peak around 14 days later. The estimated duration isAbout 4 to 6 monthsIt is.
Q. How painful is the injection?
A. With procedures that involve injecting Botox into muscles—such as Botox for the jawline—you may experience the pain typical of intramuscular injections. For Botox injections into the platysma muscle in the neck, you’ll feel only a slight prick when the needle is inserted.
Q. Can I wear makeup, take a bath, or exercise on the day of my treatment?
A. You may apply makeup, wash your face, and take a bath starting on the day of your treatment.That's right. However, you should avoid activities that promote blood circulation, such as strenuous exercise, saunas, and long baths.
Q. Is it okay to come for treatment from outside Hiroshima?
A. Yes, patients from outside the prefecture are welcome to visit our clinic. If you would like to be seen, please make an appointment in advance before coming to the clinic.
If you're looking to get Botox injections in Hiroshima, visit Yayoi Clinic
In this article, we’ve provided a detailed overview of Botox injections—including what the procedure entails, how it works, its key features, and the areas it can be used on. At Hiroshima Yayoi Clinic, we offer a wide range of Botox treatments and recommend procedures tailored to each client’s concerns and preferences. Additionally, we’re conveniently located just a 2-minute walk from Hatchobori Station, making it easy to visit after work or school.
If you have any concerns or questions about Botox injections, please feel free to contact Hiroshima Yayoi Clinic. We accept online reservations for free consultations and offer consultations via LINE. Let’s find the treatment that’s right for you and work toward achieving your ideal facial contours.
At YAYOI CLINIC in Hiroshima—a clinic specializing in cosmetic dermatology, cosmetic internal medicine, cosmetic surgery, and permanent makeup—we offer treatment options tailored to your specific skin, body, and facial concerns.
In order to offer a better option for everyone, we will assess each person's skin condition and formulate a treatment plan that meets their needs in terms of treatment duration, budget, and acceptable downtime.
If you have any concerns, please come for a counseling session first.
▼ Yayoi Clinic's LINE Consultation Page
Related Articles Recommended for You
Description of procedure] Botox injection
Recommended frequency of treatment] Once every 3 to 4 months *Return around 14 days after the peak effect.
Cost】・1 unit ¥649~¥869 (+ ¥22,000 for treatment fee) ※There are individual differences depending on the formulation and number of units used.
Adverse effects/risks
Headache, pain and swelling at injection site, partial muscle weakness, redness, bruising, skin tightness, numbness, prickling sensation, nausea, temporary dent, internal bleeding, difficulty swallowing, pneumonia, anaphylaxis, severe lethargy, etc.
Equipment used.
Botox treatment includes treatments that are either unapproved drugs in Japan or treatments that are different from those approved for use in the pharmaceutical industry.
Drugs and medical devices used for treatment were imported through a private importation procedure based on the judgment of a physician at our clinic.
https://www.yakubutsu.mhlw.go.jp/individualimport/purchase/index.html
There are no other domestically approved drugs with the same ingredients or performance, except for those approved by the pharmaceutical affairs bodies.
Information on safety, etc. in other countries
-BOTOX VISTA® approved by the Japanese regulatory authorities for the treatment of expression lines between the eyebrows or at the corners of the eyes in adults under 65 years of age.
-NABOTA receives U.S. FDA approval
-CORETOX® receives Korea MFDS approval
About the Adverse Reactions Relief System for Drugs
In the unlikely event of serious side effects, the drug is not covered by the government's Adverse Drug Reactions Relief System.
Description of Treatment] Erabotox
Recommended frequency of treatment] Once every 3 to 4 months *Return around 14 days after the peak effect.
Cost】¥29,800〜¥32,800*Depends on the formulation and number of units used.
Side effects/risks] Headache, pain and swelling at the injection site, partial muscle weakness, redness, bruising, skin tightness, numbness, prickling sensation, nausea, temporary indentation, and internal bleeding.
Equipment used.
Elabotox treatments include treatments that are different from those for which the drug is not approved in Japan or for which the drug is approved for regulatory use.
Drugs and medical devices used for treatment were imported through a private importation procedure based on the judgment of a physician at our clinic.
https://www.yakubutsu.mhlw.go.jp/individualimport/purchase/index.html
There are no other domestically approved drugs with the same ingredients or performance, except for those approved by the pharmaceutical affairs bodies.
Information on safety, etc. in other countries
-BOTOX VISTA® approved by the Japanese regulatory authorities for the treatment of expression lines between the eyebrows or at the corners of the eyes in adults under 65 years of age.
-NABOTA receives U.S. FDA approval
About the Adverse Reactions Relief System for Drugs
In the unlikely event of serious side effects, the drug is not covered by the government's Adverse Drug Reactions Relief System.
Description of Treatment] Microbotox
[Recommended Frequency of Treatments] Once every 3 to 4 months
*We recommend a return visit at around 14 days, when the effect is at its peak.
Cost】¥29,800〜¥54,800*Depends on the formulation and number of units used.
Side effects/risks] Headache, pain and swelling at the injection site, partial muscle weakness, redness, bruising, skin tightness, numbness, prickling sensation, nausea, temporary indentation, and internal bleeding.
Equipment used.
Botox treatment includes treatments that are either unapproved drugs in Japan or treatments that are different from those approved for use in the pharmaceutical industry.
Drugs and medical devices used for treatment were imported through a private importation procedure based on the judgment of a physician at our clinic.
https://www.yakubutsu.mhlw.go.jp/individualimport/purchase/index.html
There are no other domestically approved drugs with the same ingredients or performance, except for those approved by the pharmaceutical affairs bodies.
Information on safety, etc. in other countries
-BOTOX VISTA® approved by the Japanese regulatory authorities for the treatment of expression lines between the eyebrows or at the corners of the eyes in adults under 65 years of age.
-NABOTA receives U.S. FDA approval
About the Adverse Reactions Relief System for Drugs
In the unlikely event of serious side effects, the drug is not covered by the government's Adverse Drug Reactions Relief System.
