Kiko Kono, M.D.
Profile
Graduated from Kawasaki Medical School. Worked as a dermatologist for about 20 years at core hospitals. After many years of experience and achievements, he became a cosmetic dermatologist. His practice style is to examine the skin thoroughly and pursue what is happening where on the skin and approach the problem. Her specialties include customized treatment, laser treatment, Botox, and skin growth injections. In her private life, she is a mother of two children.
For those considering Dermapen treatment at a dermatology clinic in Hiroshima, we’ve compiled some basic information and answers to common questions. Dermapen has gained attention for its ability to address skin concerns such as enlarged pores, acne scars, and fine lines. In this article, we’ll provide an easy-to-understand explanation of how Dermapen works, its features, and frequently asked questions. Be sure to review this information beforehand so you can undergo treatment with confidence.
What Is a Dermapen? Essential Information to Know Before Getting the Treatment at a Cosmetic Dermatology Clinic in Hiroshima
If you're considering getting a Dermapen treatment at a dermatology clinic in Hiroshima, it's a good idea to learn more about what the procedure involves. First, let's review the basics of the Dermapen.
■How the Dermapen Works and Its Features
Dermapen is a cosmetic procedure that uses ultra-fine needles to deliver minor stimulation to the skin, promoting wound healing to achieve healthy skin. Wound healing refers to the skin’s natural ability to repair itself.The Dermapen uses needles thinner than a strand of hair to deliver extremely fine stimulation, harnessing the skin’s natural healing power to address enlarged pores, acne scars, fine lines, and dullness.I will do so.
■About Dermapen 4 Technology

Since the first model of the Dermapen was developed by Dermapen World in 2011, it has undergone continuous improvements and evolution. YAYOI CLINIC, a cosmetic dermatology clinic in Hiroshima, has also adopted the “Dermapen 4,” which is currently the industry standard.
Conventional Dermapen devices had limitations in terms of needle speed and depth, and results could vary depending on the practitioner’s technique. However, the Dermapen 4,High-speed processing is possible, with 16 fine needles capable of punching up to 1,920 holes per second.This allows for more precise and uniform treatments. Additionally, since the needle depth can now be finely adjusted in 0.1-mm increments from 0.2 mm to 3.0 mm, the treatment can address a wide range of skin concerns, such as enlarged pores, acne scars, fine lines, and loss of skin firmness.
Furthermore, the improved penetration of the medication is one of its key features.By efficiently delivering active ingredients—such as those for skin brightening, moisturizing, and pore tightening—deep into the skin, you can expect even better results.It may be possible.
■Expected Benefits
The following are the skin concerns that can be addressed with the Dermapen.
- Acne Scars and Uneven Skin Texture
- Pore opening
- Dull Skin and Hyperpigmentation
- Fine lines and sagging
- Skin Firmness and Elasticity
- Skin Type Care
In addition, when combined with other treatments, the Dermapen 4 can help improve skin texture. For example, the Velvet Skin treatment—which combines the Dermapen 4 with a massage peel (PRX-T33)—is popular among those looking to enhance their skin’s firmness and elasticity. Furthermore,When used in combination with “Benev”—a formulation blending growth factors, hyaluronic acid, and vitamins—it can help reduce fine lines and dark spots, brighten dull skin, and improve skin elasticity.Can be done.
Yayoi Clinic, a cosmetic dermatology practice in Hiroshima, answers common questions about the Dermapen
To help you avoid any regrets after using the Dermapen, let’s address your concerns and answer your questions. Yayoi Clinic, a cosmetic dermatology practice in Hiroshima, provides answers to frequently asked questions about the Dermapen.
■What’s the difference between HydraFacial and Potenza?
Dermapen, HydraFacial, and Potenza are all treatments that harness the skin’s natural wound-healing ability, butEach has a different approach.。
The HydraFacial is a treatment that involves injecting substances—such as hyaluronic acid—tailored to specific skin concerns using ultra-fine needles. Because the substances are injected directly into the skin, the ingredients penetrate evenly, and the treatment is expected to enhance the skin’s moisture and radiance.
On the other hand, Potenza is a treatment method that combines microneedling with radiofrequency (RF). Since it can address acne scars and enlarged pores in a similar way to the Dermapen, Potenza is often compared to the Dermapen and is sometimes promoted as a more versatile treatment. It may also be effective for treating facial redness, which the Dermapen cannot address. Yayoi Clinic, a cosmetic dermatology practice in Hiroshima, also offers Potenza treatments.
■What is the approximate cost of a Dermapen treatment?
Prices vary depending on the clinic, the region, and the type of medication used. At Yayoi Clinic, a cosmetic dermatology clinic in Hiroshima, we offer the following prices.
| one inning | three times | |
| velvet skin | 36,800 yen | 104,400 yen |
| Benev | 31,800 yen | 89,400 yen |
*Includes topical anesthesia and a facial mask
■Does the Dermapen hurt?
Generally speaking, Dermapen treatments are considered to be designed with pain management in mind, but,For those concerned about pain, a topical anesthetic cream may be used.That's right. While the sensation varies from person to person depending on the depth of the needle and the treatment site, many people describe it as "a mild, prickling sensation."
■How long does the treatment take?
The procedure takes, including anesthesia,About 60 minutesThat's correct. While it varies depending on the treatment, the procedure itself takes about 30 minutes, followed by an explanation of aftercare and cooling.
■ Are There Any Risks Associated with the Dermapen?
Redness, stinging, peeling, bruising, or swelling may occur after the procedure. In rare cases, old skin cells may peel off, so it is important to follow your doctor’s instructions for aftercare.
■How long is the downtime?
The duration of downtime varies from person to person, butGenerally, it takes anywhere from a few days to about 10 days.Redness and stinging usually subside within 1 to 2 days, while peeling and bruising typically clear up in about 1 week to 10 days.
■When can I start wearing makeup after the treatment?
You should avoid wearing makeup on the day of your treatment, but you may apply it 12 hours or more after the procedure. However, to avoid irritating your skin, be sure to use cosmetics that are as gentle as possible.
■When can I start taking a bath, washing my face, or exercising after the treatment?
On the day of the procedure, you may take a shower—as long as you avoid the treated area—starting 6 to 7 hours later.Please note: Wait at least 12 hours after your treatment before bathing, washing your face, or exercising, and avoid excessive irritation to minimize stress on your skin.
■What should I keep in mind regarding aftercare?
After a treatment, your skin is prone to dryness and is in a sensitive state.It's important to take thorough measures against UV rays and moisturize your skin well.That's right. Avoid using harsh skincare products such as hydroquinone and retinol, and be sure to choose skincare products formulated to be gentle on the skin.
■What is the recommended frequency for Dermapen treatments?
Although you can expect some results even after just one Dermapen treatment, you’ll notice them more clearly with continued use. The results also vary depending on the amount of bleeding during the procedure; if there is minimal bleeding,It is common to undergo the treatment about 3 to 5 times, once every 2 to 4 weeks.If you notice bleeding or bruising, aim for a longer interval—about once every 6 to 8 weeks.
■In what situations should you avoid using a Dermapen?
Women who are pregnant or breastfeeding, as well as those with severe skin conditions, may not be eligible for treatment. Depending on your doctor’s diagnosis, alternative treatment options may be recommended, so be sure to discuss this thoroughly during your consultation.
■Can men get Dermapen treatments?
Of course, it's possible. For things like pores and acne scars,It can also address skin concerns specific to menFor this reason, many cosmetic clinics have added Dermapen treatments to their men's menu.
■What age groups is the Dermapen suitable for?
This treatment is considered by people of all ages, from their teens to their 50s and beyond. It addresses a wide range of skin concerns, from acne scars and enlarged pores—which are common among younger people—to wrinkles and sagging skin—which are concerns for middle-aged and older adults.
■ Are treatments at dermatology and cosmetic dermatology clinics in Hiroshima covered by insurance?
Since Dermapen is a cosmetic procedure,Private medical care not covered by public health insuranceThat is the case. However, since the procedure is performed at a medical facility, one advantage is that you can receive treatment in an environment where safety and hygiene are carefully managed.
■What are the key factors to consider when choosing a clinic for Dermapen treatment?
Be sure to check the doctor’s background, experience, and track record with patient cases. You should also confirm in advance the thoroughness of the consultation, the types of equipment used, and the details of the aftercare provided. Additionally, since you’ll likely need to visit multiple times, it’s a good idea to consider factors such as cost and accessibility to ensure the clinic is convenient for you.
If You're Considering Dermapen 4! Features of the Treatment at Yayoi Clinic, a Cosmetic Dermatology Clinic in Hiroshima

At Yayoi Clinic, a cosmetic dermatology practice in Hiroshima, we carefully perform treatments using the advanced Dermapen 4, tailoring them to each patient’s individual skin condition. Our doctors select formulations based on your specific goals, such as acne scar treatment, skin brightening, and pore tightening. We also offer combination treatment plans that pair the Dermapen with products such as “Velvet Skin” and “Benev,” which work well with the device.
Before your treatment,Doctors conduct thorough consultations and propose treatment plans tailored to your skin concerns and goals.. We also place a strong emphasis on aftercare, aiming to achieve results that provide the highest level of satisfaction.
■ Conclusion.
Dermapen is a cosmetic treatment that utilizes the skin’s natural wound-healing ability to address issues such as enlarged pores, acne scars, and fine lines. Even if you’re concerned about downtime or risks, you can undergo the treatment with peace of mind by arming yourself with the right information and choosing a reputable clinic. If you’re considering this treatment in Hiroshima, be sure to thoroughly check the clinic’s track record and the details of their consultation to find the treatment that’s right for you.
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] Dermapen 4
Approximate number of treatments: Once every 2 to 4 weeks, or once every 6 to 8 weeks (1 course: 3 to 5 treatments)
*The treatment interval depends on the degree of bleeding.
Cost] 1 time ¥31,800~¥36,800
Adverse effects/risks
Redness and tingling may occur, but will generally subside within 1 to 2 days.
Symptoms such as peeling, internal bleeding, and swelling may appear for 7-10 days.
In rare cases, old keratin may peel off, but please be careful not to peel it off forcibly.
Equipment used.
Dermapen4 treatment involves the use of a domestically unapproved drug or medical device.
The drugs and medical equipment used for treatment were purchased from PRSS.Japan, Inc. under the judgment of our doctors.
There are no other domestically approved drugs with the same ingredients or performance.
Information on safety, etc. in other countries
The following certifications have been obtained
ISO 13485
CE Standard
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.