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.
KO Light is a medical-grade LED treatment that addresses various skin concerns while being gentle on the skin. It has gained attention as a treatment that is suitable for people with sensitive skin and those recovering from procedures. In this article, we’ll take a detailed look at how KO Light works, the benefits you can expect, the characteristics of the red and blue light, who it’s recommended for, and pricing.
What Is KO Light? LED Therapy Designed for Sensitive Skin

KO Light is,A medical LED therapy device that uses light-emitting diodes known as ultra-high-brightness LEDsThat's right. The KO Light features two wavelengths—red and blue LEDs—each of which addresses different skin concerns.
The expected effects of red light with a wavelength of 625 nm are:Supports recovery through anti-inflammatory and pain-relieving effectsWell, it improves the penetration of topical anesthetics. Blue light with a wavelength of 465 nm,Acne Care and Prevention Through the Inhibition of Sebum ProductionThe goal is to achieve the following
The appeal of KO Light is,Fewer side effects and risksIt’s a great option. It can be used even on sensitive skin or when the skin is irritated, and it’s also useful as a treatment to minimize downtime. It’s also well-suited for use in combination with other treatments.
Take a closer look at the effects of these two lights!

Let's take a closer look at the effects of the red and blue lights from the KO Light.
[The Effects of Red Light and Expected Benefits]
| Effect | Expected Benefits |
| Stimulates fibroblasts to promote the production of collagen and elastin | ・Improved elasticity
・Care for wrinkles and sagging skin |
| Promotes blood circulation and supports skin renewal | ・Tone-up
・Dullness Care |
| Reducing Inflammation and Strengthening the Skin's Barrier Function | ・Reduced downtime |
[The Effects of Blue Light and Its Expected Benefits]
| Effect | Expected Benefits |
| Reacts with porphyrin, a metabolic byproduct of Propionibacterium acnes, to produce reactive oxygen species | ・Acne Care and Prevention |
| Reduces sebum production | ・Pore Care
・Acne Prevention |
KO Light not only uses red and blue light depending on your skin condition and concerns, but also,It is also possible to combine both methods for combined irradiationThat's right. At Yayoi Clinic, we recommend treatments tailored to each individual's skin condition.
Who is KO Light recommended for?

Since the KO Light treatment is designed to be gentle on the skin,Easy for first-timers to cosmetic procedures or those with sensitive skin to tryThis is a treatment. It’s recommended for anyone with the following concerns. If you have sensitive skin or are currently in the recovery phase, please give it a try. If you’re dealing with skin concerns such as dullness, wrinkles, dark spots, sagging, acne, or enlarged pores, but are hesitant because you’re “afraid of treatments” or “sensitive to pain,” why not consider KO Light?
[Yayoi Clinic] KO Light Pricing

| (data) item | Price (tax included) |
| Reduced downtime | 3,300 yen |
| Beauty, Acne, General Medical Care | 5,500 yen |
| Beauty, Acne, and Medical PP | 3,300 yen |
| Unlimited Access to Beauty, Acne Treatment, and Medical Services | 12,800 yen |
The standard price for KO Light is 5,500 yen (tax included) per session. When combined with treatments designed to minimize downtime, such as skin-nourishing injections or Tri-Fill, the treatment is available for 3,300 yen (tax included). Additionally, Yayoi Clinic offers a great value 30-day unlimited plan for 12,800 yen (tax included), so please be sure to take advantage of it.
You can choose a plan based on your skin concerns and the specific treatments you'd like.Another appealing feature is that you can receive this treatment at a discounted rate when combining it with other procedures to minimize downtime.It is.
The following treatments can be combined to minimize downtime:
- Skin injections
- Trifil
- Botox lift
- Thread Lift
- Shopping Lift
- hyaluronic acid injection
- Potenza
- Therma Needle
- dermapen
- Fat-dissolving Injections (Lipolysis)
For KO Light, visit YAYOI CLINIC
KO Light is a medical-grade LED treatment that addresses a variety of skin concerns, including acne, enlarged pores, dullness, and loss of firmness. Designed with minimal impact on the skin, it is particularly suitable for those with sensitive skin or for use during recovery periods. If you have any skin concerns, please feel free to consult with Yayoi Clinic.
Aesthetic Dermatology, Cosmetic Medicine, Cosmetic Surgery, and Art Makeup in Hiroshima YAYOI CLINIC offers treatments for different skin, body, and facial concerns.
In order to offer a better option for everyone, we will assess each individual's skin condition and formulate a treatment plan that meets his or her needs, including treatment duration, budget, and acceptable downtime.
If you have any concerns, please come for a counseling session first.
[Treatment Details] KO Light
Approximate number of times of treatment] Every 1 time
・Reduced downtime: Once every 1 to 2 days for the first week after surgery
Recommended frequency of irradiation after 1 week/week
・For beautiful, firm skin: Recommended once every 1–2 weeks
*The treatment interval depends on the desired effect.
[Cost] ¥5,500–¥28,000
[Side Effects and Risks] Temporary redness, a sensation of warmth, itching, and dryness
Equipment used.
Treatment of KO Light includes procedures using domestically unapproved drugs or medical devices.
Drugs and medical equipment used for treatment were purchased through private purchase procedures under the judgment of the clinic's physicians.
There are no other domestically approved drugs with the same ingredients or performance.
Information on safety, etc. in other countries
-Obtained NMPA (National Food and Drug Administration) certification in China
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.