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.
The following is an explanation of the different types of spot removal lasers. As we age, skin blemishes become a concern. Many people are troubled by the fact that they do not fade easily with self-care. So, as a next step, why not consider treatment with a spot-removing laser? For those who have heard rumors that it can cause cancer and want to know which laser works best, we will now introduce the features of each type of blemish-removing laser. We have also summarized the treatment process, downtime symptoms, and cost rates. Would you like to lighten your skin problems with a blemish removal laser?
What is a spot removal laser anyway? How it works and who is suited for it
A spot removal laser is a laser beam thatTreatment to destroy melanin and improve blemishesIt is. To be more specific, the laser reacts with melanin and generates heat. The heat breaks down the melanin, and this is how the spots are approached. The laser destroys only the abnormal cells where the blemish occurred, so normal areas are not damaged.
Types of spots that can be treated with laser

多くのシミの原因は、メラニンによるものです。紫外線を浴びることで皮膚内部のメラノサイトが刺激を受け、メラニンが生成されますが、通常は肌のターンオーバーで排出されます。ところが、ターンオーバーが乱れることでうまく処理されず、皮膚内に留まってシミになるのです。
また、違う要因によってできるシミもあります。シミ取りレーザーが対応できるシミの種類と特徴をまとめました。
| Type of stain | feature |
| senile pigmentation | ● 紫外線の曝露によって増加したメラニンが原因
● 日光があたる部分(頬やこめかみなど)に出現しやすい ● 褐色で境界が比較的明瞭 |
| chloasma | ● 紫外線の曝露
● 女性ホルモンの乱れも関与しているとされている ● 額や頬などに左右対称に出現しやすい ● 薄茶色で輪郭があいまい |
| post-inflammatory hyperpigmentation | ● 炎症によって生成された大量のメラニンが原因
● 炎症が起きた部分と同じ場所に出現する ● 茶褐色や灰褐色 |
| Freckles | ● 遺伝や紫外線の曝露などが原因
● 顔の中心や手の甲、腕などに出現しやすい ● 黄褐色で数mm程度のサイズ |
Characteristics of people who are suitable for spot removal laser treatment
Next, let's look at the characteristics of people who are suitable for laser spot removal.
- People who want to reduce the appearance of hard-to-remove spots.
- People who want a pinpoint approach to blemishes of concern.
- People who want to feel the effects in a short period of time
Laser spot removal is a treatment for those who are unable to realize the benefits of self-care and who want to make their spots disappear quickly.
Types and characteristics of spot removal laser equipment

*Image is for reference only.
Although there are some home-use laser devices for removing blemishes, there are three main types of medical devices that are active in the field of cosmetic medicine: 1.
- Q-switched ruby laser
- Q-switched YAG laser
- picolaser
The wavelength of light, spots that can be treated, and irradiation time differ depending on the type.
Q-switched ruby laser
Q-switched Ruby laser is,Instantly generates a powerful laser to approach the affected areaThe wavelengths are highly absorbable by melanin. The wavelength has a high absorption rate to melanin and destroys dark pigment. It is suitable for the treatment of senile pigmented spots and freckles, and can also be used for ADM (acquired dermal melanocytosis) and birthmarks. Furthermore, the laser is not easily absorbed by normal tissues and blood vessels, so there is no significant burden on the surrounding skin.
| Wavelength | 694nm |
| irradiation speed | Billionth of a second (nanosecond) |
| Types of stains suitable for | Senile pigmentation, freckles |
| Typical equipment name | The Ruby Z1 Nexus, The Ruby nano_Q, etc. |
YAYOI CLINICでは、先進機器の「ザ・ルビー Z1 Nexus」による、Qスイッチルビーレーザー治療が受けられます。
Q-switched YAG laser
The Q-switched YAG laser has the feature of being able to switch between long and short wavelengths. Lasers with longer wavelengths reach deeper into the skin and are more effective. Conversely, the shorter wavelengths work on spots in the shallow areas. Therefore, not only spots and freckles,Approaches a wide range of pigmented lesions such as melasma, moles, and birthmarksThe skin can be cleaned with a low risk of damage to the surrounding tissues. The risk of damaging the surrounding tissue is low, so care can be taken with less stress on the skin.
| Wavelength | 532nm/1064nm |
| irradiation speed | Billionth of a second (nanosecond) |
| Types of stains suitable for | Senile pigmentation, freckles, melasma |
| Typical equipment name | TriBeam Premium, MedLite C6, etc. |
YAYOI CLINICのトライビームプレミアム(QスイッチNd:YAGレーザー)は、さまざまなシミの治療はもちろん、肌のトーンアップも目指せます。
picolaser
The pico laser, which is irradiated in as short as one trillionth of a second, shatters pigment with a strong shock wave. Due to less pain and heat effects,Attractive in that it is light on the skin and has a short downtime.will be. The spots that can be treated include senile pigmentation, freckles, and melasma. There are three types of spot treatments that can be performed with the picolaser: "picospot," which is a high-power, localized laser irradiation; "picotoning," which is a low-power, gradual reduction of melanin; and "picofractional," which involves making minute dot-like holes in the skin.
| Wavelength | 532nm / 670nm / 1064nm etc. |
| irradiation speed | One trillionth (picosecond) |
| Types of stains suitable for | Senile pigmentation, freckles, melasma |
| Typical equipment name | EnLightnIII, PicoWay, etc. |
Blemish removal laser treatment flow and downtime
This is followed by a description of the treatment process and downtime symptoms.
General blemish removal laser treatment flow
The treatment of spot removal laser generally proceeds as follows
- Counseling and medical examination
- face-washing
- Laser irradiation
- Explanation of aftercare
After counseling and consultation with the doctor, the patient undergoes the procedure. After the laser irradiation, you will receive instructions on how to take care of your skin at home, and then the procedure is over. Depending on the clinic, regular checkups may be scheduled after one month or three months.
Downtime period and symptoms after spot removal laser irradiation
Individuals vary, but after the spot removal laser, the skin will return to its normal state.7-10 daysIt will take The following is a summary of symptoms that commonly appear during downtime.
- pain
- blush
- swelling
- scab
- Blemishes become darker.
痛みや赤み、腫れが気になる場合は、患部を冷やしましょう。時間が経つと照射した部分がかさぶたになってきますが、無理にはがすのはNG。また、レーザー照射後の肌はデリケートになっているので、紫外線対策も徹底してください。
なお、シミ取りレーザー治療後はシミが濃くなったように感じるケースもあるため「しないほうがいい」と思う人もいるようですが、レーザーの刺激を受けて起きた炎症後色素沈着が原因です。炎症後色素沈着は、3-6 monthsIt will calm down over time.
Answers questions about spot removal lasers

To avoid regretting that the spot removal laser was a "mistake," it is important to understand the market price and other treatment options.
What is the cost of laser spot removal?
The following is a summary of cost estimates for each type of blemish removal laser.
| Types of Blemish Removal Lasers | irradiation range | cost price |
| Q-switched ruby laser | About 1 to 5 mm | ~10,000 yen |
| Q-switched YAG laser | About 1 to 5 mm | ~10,000 yen |
| Picolaser (Picospot) | About 1 to 5 mm | 3,000-10,000 yen |
| Picolaser (picotoning) | whole face | 10,000-40,000 yen |
| Picolaser (Picofractional) | whole face | 10,000-70,000 yen |
Please consider the cost as a guide only. In some cases, fees are based on the number of spots to be treated or the course of treatment, rather than the area to be irradiated.
Which is better for blemish removal treatment, cosmetic dermatology or cosmetic surgery?
Cosmetic dermatology is recommended for blemish removal treatment. Cosmetic surgery can also remove blemishes, but cosmetic dermatology has doctors with expertise in skin care and are specialized in the treatment of skin problems. Please note that cosmetic blemish removal treatment is not available at general dermatology clinics.
Are there other treatments besides laser to make spots less noticeable?
In addition to lasers, there are three other treatments that can be used to reduce the appearance of blemishes
| medicine for external use | Apply a topical medicine such as "hydroquinone" to the skin that is expected to have a whitening effect. |
| medicine taken internally | Take "L-cysteine," "tranexamic acid," "vitamin C," etc. |
| phototherapy | Light is irradiated to the face to address melanin. |
YAYOI CLINICでは、シミ取りレーザーのほかにもドクターズコスメの提案やIPL(光)治療器「セレックV」による施術も取り扱っており、多方面からのアプローチが可能です。
Conclusion
目立つシミの存在感を和らげられる、シミ取りレーザー。ダウンタイムはありますが、正常な組織にダメージを与えにくく、シミをピンポイントで治療できます。ただし、シミ取りレーザーには種類があり、特徴や得意としているシミのタイプが異なります。そのため、自分のシミにマッチするレーザー機器で治療することが大切です。シミ取りレーザーの種類を踏まえたうえで、クリニックで治療方針を相談してみましょう。
広島の美容皮膚科・美容内科・美容外科・アートメイク YAYOI CLINIC(ヤヨイクリニック)では、お肌、お体、お顔のお悩み別に治療法をご紹介しています。
皆さまにより良い選択肢をご提案できますよう一人ひとりのお肌の状態を見極め、治療期間やご予算、ダウンタイムの許容範囲などご希望に合わせた治療方針を立案していく考えです。
お悩みのある方は、まずはカウンセリングにお越しください。
【治療の内容】Qスイッチルビーレーザー
【当院採用機器】Qスイッチルビーレーザー
【治療期間および回数】通常1回
【費用】シミ取り1ショット ¥1,500 施術料 ¥10,000、シミ取り放題 ¥98,000
【リスク・副作用等】赤み、痛み、点状出血、色素沈着
【使用機器について】
・Qスイッチルビーレーザーの治療には、国内未承認医薬品または医療機器を用いた施術が含まれます。
・治療に用いる医薬品および医療機器は、当クリニックの医師の判断のもと、Jeisy Medical Incより個人輸入手続きを行ったものです。
・個人輸入における注意すべき医薬品等に関する情報は、下記をご参照ください。
https://www.yakubutsu.mhlw.go.jp/individualimport/purchase/index.html
機械器具(31) 医療用焼灼器 高度管理医療機器 ルビーレーザー(36189000)
特定保守管理医療機器 設置管理医療機器 ザ・ルビー Z1 Nexus
There are no other domestically approved drugs with the same ingredients or performance.
・医療機器承認番号:30200BZX00022000
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.
【治療の内容】 QスイッチNd:YAGレーザー(レーザートーニング)
【当院採用機器】トライビームプレミアム
【治療期間および回数】週1回、計5~6回程度
【費用】1回 ¥21,780
【リスク・副作用等】赤み、炎症後色素沈着、瘢痕形成、色素脱失など
【使用機器について】
TriBeam Premium treatments include procedures using domestically unapproved drugs or medical devices.
・治療に用いる医薬品および医療機器は、当クリニックの医師の判断のもと、Jeisy Medical Incより個人輸入手続きを行ったものです。
・個人輸入における注意すべき医薬品等に関する情報は、下記をご参照ください。
https://www.yakubutsu.mhlw.go.jp/individualimport/purchase/index.html
There are no other domestically approved drugs with the same ingredients or performance.
In the unlikely event of serious side effects, the drug is not covered by the government's Adverse Drug Reactions Relief Program.
【治療の内容】ピコレーザー
【治療期間および回数】
・ピコトーニング:2週間〜1ヶ月おき、計5〜10回程度
・ピコフラクショナル:1ヶ月おき、計3〜10回程度
・ピコスポット:1回〜3回程度
【費用目安】
・ピコトーニング:1回 ¥5,000〜 ¥20,000程度
・ピコフラクショナル:1回 ¥15,000〜 ¥80,000程度
・ピコスポット:1回 ¥5,000〜 ¥30,000程度
【リスク・副作用等】赤み、腫れ、色素沈着など
※当院ではこちらの施術の取り扱いはございません。
【治療の内容】IPL(フォトフェイシャル)
【当院採用機器】セレックV
【治療期間および回数】2~4週間おき、計3~10回程度
【費用】全顔1回 ¥21,780
【リスク・副作用等】痛み、皮膚の損傷、色素沈着、傷跡、過度の浮腫、紅斑、紫斑など
【使用機器について】
Cellec V treatment includes procedures using unapproved drugs or medical devices in Japan.
・治療に用いる医薬品および医療機器は、当クリニックの医師の判断のもと、Jeisy Medical Incより個人輸入手続きを行ったものです。
個人輸入における注意すべき医薬品等に関する情報は、下記をご参照ください。
https://www.yakubutsu.mhlw.go.jp/individualimport/purchase/index.html
There are no other domestically approved drugs with the same ingredients or performance.
・諸外国における安全性等に係る情報。以下の認証を取得しています。
CE(2018.10)MFDS(2017.8)
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.