Amid growing interest in regenerative medicine, some very significant news has emerged.
It has been exactly 20 years since Professor Shinya Yamanaka of Kyoto University discovered iPS cells in 2006.
The term iPS cells (induced pluripotent stem cells) itself is likely familiar to many people, partly due to the Nobel Prize awarded for their use.

However, there was much anticipation about "when and in what form" this would actually reach patients, and in 2026, the Ministry of Health, Labour and Welfare finally officially approved the first iPS cell-based product in Japan.

We are currently at a very significant and historic turning point in the world of regenerative medicine.
This approval is extremely significant, as it means that this technology, which Japan can be proud of, has passed rigorous clinical trials and reviews and has received the government's seal of approval for its "safety" and "effectiveness." From here on, the way we treat medicine is sure to change dramatically.
In this article, we will explain in detail the significance of this news, the future of medicine that iPS cells will open up, and the future of hair restoration treatment that we are working on.

The progress of iPS cells and the current state of their practical application.

Professor Yamanaka published the world's first paper on the establishment of iPS cells in 2006.
Approximately 20 years have passed since then.
Some may think, "Did it really take 20 years?", but from the perspective of the history of medicine, my honest impression is that this progressed at an astonishing speed.

While new therapeutic products using iPS cells belong to a slightly different category than typical oral medications and other "pharmaceuticals," it's common for new drugs to take 10 to 20 years to be developed, undergo numerous clinical trials, and receive national approval.
This is a completely new type of regenerative medicine product that uses "cells themselves for treatment," something that has never existed before.The fact that it was put into practical use just 20 years after its discovery is a testament to the extraordinary efforts of Japanese researchers and those involved.

Some may wish for faster delivery, but new medical technologies require such rigorous processes. Nevertheless, the fact that iPS cells, which overturn conventional wisdom, have been officially recognized as a "treatment" in such a short period of time is a huge step forward in regenerative medicine.
This approval is expected to pave the way for the approval of many more treatments for various diseases in the future.

▼Differences between iPS cell culture supernatant and stem cell culture supernatant (exosomes)
 

Uses of the products approved this time

The approved treatments are approaches to two intractable diseases that have long been considered difficult to cure, and their practical application has been eagerly awaited.

① Severe heart failure
One example is the "myocardial sheet" for severe heart failure.
This treatment aims to improve cardiac function by creating a sheet of cardiac muscle (myocardial cells) from iPS cells and attaching it to the heart of a patient with impaired cardiac function.

② Parkinson's disease
Another area is the treatment of Parkinson's disease.
Parkinson's disease, a neurological disorder characterized by tremors and stiffness in the body due to a lack of dopamine in the brain, is being treated with a groundbreaking method that involves creating dopamine-producing nerve cells from iPS cells and directly transplanting them into the brain to improve symptoms.

Both are treatments that aim to improve diseases that previously only had symptomatic treatment and were difficult to resolve fundamentally, by delivering the cells themselves.

Elucidation and research of diseases using iPS cells

The amazing thing about iPS cells is that they are revolutionizing not only the field of "healing through transplantation," but also the field of research that "unravels the causes of diseases."
Because iPS cells can differentiate into any type of cell, it is possible to recreate "cells in a diseased state" for therapeutic purposes.
This makes it possible to investigate the causes of diseases in the laboratory without harming patients' bodies, and it has long been actively used in the field of neurology, where I belonged, as research material for purposes such as finding more effective new drugs.

Having treated many Parkinson's disease patients, I believe that this approval will allow them to improve even slightly, and I feel that this kind of research progress will illuminate a brighter future for many patients.

iPS cell therapy specialist clinic

With the opening of a clinic specializing in iPS cell therapy in July 2026, Dr. Kawamura has joined our team as a new member since April.

The treatments approved this time were for "heart failure," which Professor Kawamura specialized in, and "Parkinson's disease," which I specialized in. Therefore, I feel a very deep connection to the fact that iPS cell therapy has taken shape in these fields that we once studied and worked with.

What was once hoped to one day be a cure for diseases using such technology has now been recognized as a real treatment. As doctors, we are truly delighted and encouraged by this fact.

We receive visits and phone calls from people far away seeking advice on their concerns and treatments. We want to address everyone's concerns while valuing the latest knowledge, together with reliable partners like Dr. Kawamura.

▼Introducing cases of iPS cell therapy
 

Safety and future potential of regenerative medicine

In regenerative medicine, particularly with iPS cells, many people are concerned about "safety." In the past, there have been concerns about the "risk of cancer (tumor formation)."
However, the fact that the Ministry of Health, Labour and Welfare has now acknowledged that "this product is safe enough to be used for treating the public" means that the government has also acknowledged its safety, and this is a very powerful endorsement that dispels concerns about risks that have been discussed in a manner close to reputational damage.

In fact, research is currently underway to utilize iPS cells to treat conditions such as diabetes and cancer.
For patients for whom existing treatments have failed, regenerative medicine offers a great deal of hope as the next step.

Dr. Touhi Clinic's Initiatives and Future Prospects

At Dr. Touhi Clinic, the use of iPS cells themselves is prohibited by law, therefore, the cells that are produced during the culture process are not used.We offer hair regrowth treatment using "iPS cell culture supernatant," and we are seeing a significant increase in patients visiting our clinic seeking "intravenous drip" or "injection into the face and scalp" treatments.

Global research reports have already shown success in experiments where iPS cells were differentiated into "hair follicle stem cells" that generate hair roots, and these stem cells were transplanted into the scalp to regenerate hair.
If this technology becomes practical, we may see a time when people worldwide no longer suffer from hair problems such as thinning hair or gray hair.

This approval will further increase confidence in regenerative medicine, which will undoubtedly accelerate the pace of research.
Furthermore, as iPS cells become more widespread, costs such as material costs and research expenses, which were previously high, tend to decrease due to economies of scale.
If that happens, we'll be able to offer this cutting-edge care at a more affordable price to a wider range of people.
I feel that the dawn of an era where hair problems such as thinning hair and gray hair will completely disappear is just around the corner.

▼Dr. TOUHI CLINIC's iPS Cell Therapy Menu
 

Summary

The news that iPS cell products had been approved by the Ministry of Health, Labour and Welfare was a significant event that brightened our future.

This technology, developed by Professor Yamanaka with the desire to cure diseases, is finally starting to be used in actual treatments and is beginning to reach patients suffering from intractable diseases.
Regenerative medicine is definitely evolving from traditional medicine that "suppresses" and maintains health with drugs to regenerative medicine that "regenerates using the body's own power."
At Dr. TOUHI CLINIC, we are constantly striving to deliver this cutting-edge technology to everyone suffering from hair problems as quickly and safely as possible. In actual treatments, many people are beginning to experience its potential through specific procedures such as intravenous drips and injections.

Rather than simply prioritizing low cost, we aim for a future where regenerative medicine becomes commonplace as one of the options for your own future.
You may have many anxieties, such as "Which treatment is right for my specific concerns?" and "Will it really be effective?"
If you have any concerns about your hair, please feel free to contact us for a consultation.
The latest scientific advancements should be able to help solve your problems.