Dr. Yayoko Ito
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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.
Many people are concerned about the characteristics of the effects of Botox injections and when they will begin to be felt. The duration depends not only on the area to be treated and the treatment, but also on how you spend your time after the procedure. There is no denying the possibility that the effects of the treatment may be reduced if the wrong measures are taken. In this article, we will explain the duration of time you can feel the effects of Botox injections as well as the basic information about Botox injections. We have also compiled tips on how to maintain the results for a longer period of time, as well as points to keep in mind. We hope you will find this information useful in planning your Botox injections.
What kind of procedure is Botox injection?

First, let's look at some basic information about Botox injections. We will explain how it works, the main areas to be treated, and the effects that can be expected.
What is Botox injection?
Botox injections are made by botulinum toxin type A, or botulinum toxin type A, which is produced by the bacterium botulinum.Treatment by injecting a drug containing botulinum toxin into the skin.It is. Botox injections inhibit the secretion of acetylcholine, which is necessary for muscle movement. By weakening the action of acetylcholine, excessive movement and tension in the muscles is relieved, leading to improvement of various problems.
■Main areas of Botox injections and expected effects
Botox injections can produce a wide range of effects. The main areas that can be treated and the skin problems that can be approached with Botox injections are listed below.
- horizontal crease in the forehead
- Vertical creases between the eyebrows
- Wrinkles at the corners of the eyes
- Dried plum wrinkles on the chin
- stretchiness
- Sagging face line
- smiling face
- Lines of the arms, calves, etc.
- Sweaty armpits, armpits and hyperhidrosis
- Excessive sebum secretion
- stiff shoulders
Botox injections can improve facial expression lines by reducing muscle tension. Botox injections can also be used to address gills and sagging facial contours, leading to a more refreshed appearance.
In addition, Botox injections areCan be performed on parts other than the faceIt is. It will also lead to slimming of the arms, calves, and thighs.
Furthermore, acetylcholine, the secretion of which is inhibited by Botox injections, is also a neurotransmitter responsible for sweating. Therefore,Expectations for improvement of noncosmetic problems such as sweaty armpits and hyperhidrosisIt can be done.
When do Botox injections work and for how long?

Next, check when the effects of Botox injections begin to show and how long they last.
When the effects of Botox injections will be apparent.
When the effects of Botox injections will begin to show depends on the area to be treated and the problem to be improved, such as expression lines on the forehead, between the eyebrows, and at the corners of the eyes, hyperhidrosis, and weight loss. There will also be individual differences. As early as two days after the Botox injection, you may be able to feel the change,Basically, it takes about a week.It is important to keep this in mind. It is around 2 weeks after the procedure that you will notice a steady effect.
It should be noted that treatment of hyperhidrosis may take some time before the effects of Botox injections are felt. In addition, Botox injections do not have an immediate effect. To avoid the feeling of "I had Botox injections, but they don't work. ......," it is recommended that you take the Botox injections about a month in advance of when you want to see a change in your skin. It is recommended that you check with your doctor in advance when you can expect the effects of the Botox injections you want to receive.
■Duration of Botox Injection Effects
Duration of effect,About 3 to 6 monthsIt is said that. Similar to when the effects of Botox injections are felt, the duration is not the same for each treatment area, such as the gills, calves, and shoulders.
In addition, the effect gradually fades with the passage of time after the procedure. This is because the ingredients injected with Botox injections are gradually broken down. For this reason,To maintain the ideal shape, it is necessary to repeat the treatment continuously.。
What should I be aware of after Botox injections?
The following is an explanation of what to look out for after receiving Botox injections. Be sure to understand them in order to obtain the appropriate treatment effect.
■ Avoid prolonged bathing, saunas, and strenuous exercise
The ingredients injected in Botox injections are heat sensitive. Therefore, it cannot be denied that the effects of Botox injections may be reduced in environments where the body is heated or sweating is accelerated. Therefore, for several days after Botox injections, it is advisable to avoid activities that may increase body temperature, such as prolonged bathing, use of saunas, and strenuous exercise.
■ Refrain from massages and esthetics
After receiving Botox injections, it is better to refrain from massages and beauty treatments. Because if pressure is applied to the treated area,Because the injected drug may not settle properly.It is. Not only that, but the drug may spread to areas other than where it was originally intended to act, leading to problems with unexpected effects. Similar to the exercise and bathing mentioned above, massage and esthetic treatments may also raise body temperature.
Try to refrain from any activities that may irritate the area where Botox injections have been applied.
Points to maintain the effects of Botox injections for a long time

Finally, here are some tips on how to maintain the effects of Botox injections for a longer period of time.
■Take Botox injections on a regular basis.
The effects of Botox injections gradually fade over time. Therefore, in order to maintain the effect for a longer period of time, it is important to have another treatment before the effect wears off completely. In addition, the duration of Botox injections itself is said to increase if the treatment is repeated on a regular basis. This is due to the fact that it takes time for muscles that have been suppressed for a long period of time to recover.
Aim for once every 3 months.The effects of Botox injections can be prolonged by having regular Botox injections in the The appropriate interval for treatment varies depending on the area to be treated and the details of the treatment. Please consult with your doctor before planning your treatment.
■ Select a formulation with an understanding of its characteristics and effectiveness.
There are many different types of preparations used for Botox injections. Some of the major formulations are listed below.
- U.S.A.: "BOTOX VISTA®" by Allergan, Inc.
- Korea: INNOTOX® by Meditox Inc.
- Korea: "NABOTA" by Daewoong Pharmaceutical
- Korea: Botulax® by Hugel
Botulinum toxin preparations used for Botox injections vary in properties and cost depending on the type. Among them, those made in Korea are characterized by relatively reasonable treatment costs. If you value the durability of the treatment effect, you should choose a high-quality product such as Botox Vista. Since different clinics use different formulations, it is important to confirm in advance what kind of product is being used.
■ Conclusion.
When the effects of Botox injections will be felt will depend on the area to be treated and the nature of the treatment, but the changes will be felt in about two weeks. The key to maintaining the effects for a long time is regular treatment. Also, be sure to avoid irritation to the affected area and elevated body temperatures. Since there are various types of formulations, you should consult with your doctor to find the right one for you. Would you like to achieve your ideal face and body with Botox injections?
Aesthetic Dermatology, Aesthetic Medicine, Aesthetic Surgery, Art Make-up Yayoi Clinic (YAYOI CLINIC) in Hiroshima introduces treatments for different problems of the skin, body, and face.
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.
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Description of treatment] Botulinum toxin injection
Duration and frequency of treatment] Once every 3-4 months
Cost]
1 unit ¥649~¥869 (+ ¥22,000 for treatment fee) *There are individual differences depending on the formulation and number of units used.
Risks and side effects] Headache, pain and swelling at the injection site, partial muscle weakness, redness, bruising, numbness, internal bleeding, etc.
[Regarding treatment using unapproved medical devices, unapproved pharmaceuticals, etc.
This treatment includes a drug that is not approved in Japan or a treatment that differs from the approved use of the drug.
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
There is a possibility that serious risks, side effects, etc. have not been identified.
In the unlikely event of serious side effects, the drug is not covered by the government's Adverse Drug Reactions Relief Program.