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.
Summer isn’t the only time when UV rays are strong. Since UV levels begin to rise gradually starting in early spring, it’s important to take preventive measures early. In this article, we’ll explain in detail the effects of UV rays on your skin and how to protect yourself. We’ll also introduce effective treatments and aftercare for when you do get sunburned, so please use this as a guide.
UV Rays Start to Increase in Spring! Characteristics of UVA and UVB

紫外線にはUVAとUVBの2種類があり、それぞれ肌への影響や増え始める時期が異なります。春は「まだ紫外線は弱い」と思われがちですが、実はこの時期から紫外線量は増え始めています。
【UVA】……冬でも夏の半分程度の量が降り注いでいます。
【UVB】……4月からはEspecially during periods when UV levels spikeのため、注意が必要です。
UVAは一年を通して降り注いでおり、春先からさらに増加します。一方、UVBは4月頃から急激に増え始めるため、この時期から紫外線対策を強化することが大切です。
What Are the Effects of UV Rays on the Skin?

UVA
It penetrates all the way to the dermis, andDamages collagen and elastinThis leads to skin problems such as sagging, wrinkles, and dark spots.
[UVB
肌の表皮で吸収され、肌の赤みや炎症、日焼け、シミ、さらには皮膚がんなどの原因となります。
さらに、紫外線を浴びることで、The skin's barrier function may weaken, potentially leading to dry or sensitive skinThere are also
What's Important When It Comes to UV Protection? 3 Key Points

Here are three key points to keep in mind when protecting yourself from UV rays.
POINT 1: “Apply sunscreen every day, regardless of the season.”
- Daily activities such as walking and shopping [SPF 10–20 PA++]
- Outdoor activities such as picnics and light sports [SPF 30 or higher, PA+++]
- Outdoor activities in the blazing sun, such as hiking and swimming at the beach [SPF 50 or higher, PA++++]
Choose the right sunscreen for each situation.
POINT 2: “Don’t forget to protect yourself from UV rays when you go out.”
Use hats, sunglasses, and parasols to protect your skin and eyes from UV damage.
POINT 3: “‘Plus Alpha’ Care That Addresses the Body from the Inside Out”
- Formulated with vitamin C derivatives, tranexamic acid, and other ingredientsIncorporate the following skincare routine
- Actively consume foods with antioxidant properties
- Supplementing Nutrients That Are Often Lacking
[Things to Avoid When Protecting Yourself from UV Rays]
- If you use too little sunscreen, it won't be effective enough, so be sure to use the recommended amount and reapply it after sweating or as time passes.
- UV rays still reach the earth even on cloudy daysThat's why it's important to apply sunscreen without letting your guard down.
- After being exposed to UV rays, be sure to take proper aftercare measures.
UV Protection Treatments Available at Yayoi Clinic

Here are three treatments that help reduce UV damage.
[Mesotherapy
By combining chemical hair color tailored to your hair's condition with additional treatments,Delivering beauty ingredients tailored to the condition of sun-exposed skinI will do so.
[High-Concentration Vitamin C IV Drip]
About 20 to 40 times as much vitamin C as when taken orally reaches every corner of the bodyのが魅力です。ビタミンCにはメラニン生成抑制やメラニン還元作用が期待でき、日焼け後の肌を効果的にケアします。
[Target Cool (Tranexamic Acid)]
This non-contact treatment delivers tranexamic acid—which is known for its skin-brightening and anti-inflammatory effects—into the stratum corneum. Through the Bohr effect,It is also expected to have anti-inflammatory and antioxidant effectsCan be done.
If you get sunburned, be sure to take good care of your skin afterward.

No matter how careful you are, it’s difficult to completely prevent sunburn. However, by taking proper aftercare measures, you can minimize skin problems. Here, we’ll walk you through the steps for after-sun care.
Step 1: “First, make sure to cool your skin thoroughly.”
Skin that has been exposed to the sun is essentially in a state of mild sunburn. Before treating it, first cool the affected area with running water or an ice pack wrapped in a towel, andPrioritize reducing inflammationLet's do it.
Step 2: “Gently apply a generous amount of moisturizer.”
Choose skincare products that suit your skin and provide moisture, andMoisturize wellLet's do it.
Step 3: “Take care of your body from the inside, too”
For skin damaged by UV rays,Supplementing with Vitamins C and Eのがおすすめです。日々の食事に加え、必要に応じて以下のサプリメントや点滴も効果的です。
[トラネキサム酸][シナール][ユベラ][ビタミンC点滴]
Step 4: “Moisturizing & Soothing Care”
メソナJでは、肌状態に合わせた美容成分を角質層まで導入し、保湿や肌のコンディションを整えるケアが期待できます。日焼け後のスキンケアとしても取り入れやすい施術です。
For UV protection, visit YAYOI CLINIC
美しい肌を保つためには、日々の紫外線対策をしっかり行い、日焼けやシミなどの肌ダメージを未然に防ぐことが大切です。しかし、どんなに気を付けても、日焼けを完全に防ぐのは難しい……。万が一、日焼けしてしまってもご安心してください。
ヤヨイクリニックでは、紫外線の影響を最小限に抑え、本来の美しい肌を取り戻すお手伝いをいたします。日焼け後の肌トラブルにお困りの際は、お気軽にご相談ください。
広島の美容皮膚科・美容内科・美容外科・アートメイク YAYOI CLINICでは、肌、体、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。
【施術の内容】メソナJ
【施術回数の目安】4週間に1回(1クール:4~6回程度)※治療内容によっても異なります。
【費用】¥21,780~ ¥32,780
【副作用・リスク】
Redness, heat, itching, swelling, and rashes may occur due to allergic reactions to the drugs used.
In rare cases, some patients may feel a tingling sensation during the treatment. Please let us know if this is the case.
There may be a taste sensation of iron in the mouth and a flash of light due to the procedure near the eyes, but this is not a problem.
【使用機器について】
Treatment of Mesotherapy includes 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、株式会社SeleneMedicalより個人購入手続きを行ったものです。個人購入における注意すべき医薬品等に関する情報は、右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.
Information on safety, etc. in Japan
The following certifications have been obtained
Safety standard JIS-T 0601-1 (IEC60601-1:2005)
Electromagnetic compatibility (EMC) IEC60601-1-2:ed3
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.
【施術の内容】高濃度ビタミンC点滴
【施術回数の目安】2週間に1回※目的によって個人差があります。
【費用】¥9,790~¥207,900※回数等によって料金は異なります。
【副作用・リスク】穿刺部位の腫れ、内出血、むくみ、かゆみ、発疹、じんましん、頭痛、筋肉痛、血管痛、発熱、倦怠感、冷や汗、感染症、下痢、吐き気、胸やけ、アナフィラキシーショックなど
【使用機器について】
Highly concentrated vitamin C infusion treatment involves the use of domestically unapproved drugs or medical devices.
The medicines and medical devices used for treatment were imported from Japan under the judgment of our doctors. Please refer to the following for information on medicines and other items of concern for personal importation.
https://www.yakubutsu.mhlw.go.jp/individualimport/purchase/index.html
There are no other domestically approved drugs with the same ingredients or performance.
Information on safety, etc. in other countries
-Certified by the U.S. and FDA.
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.
【施術の内容】ターゲットクール
【施術回数の目安】1回毎※治療間隔は目的によって異なります。
【費用】¥22,000〜¥63,000※回数等によって料金は異なります。
【副作用・リスク】一時的な発赤・腫れ、過冷却、色素沈着、痒み、過敏性の増加、水疱、肌感覚の変化など
【使用機器について】
TargetCool® treatments include procedures using domestically unapproved drugs or medical devices.
Drugs and medical devices used for treatment were imported through a private importation procedure based on the judgment of a physician at our clinic.
There are no other domestically approved drugs with the same ingredients or performance.
Information on safety, etc. in other countries
-FDA, CE, KFDA (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.