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What Are Hair Follicle Stem Cells?2026.03.25

The True Key Player Behind Hair Growth

“What makes hair grow?”

Many people answer:

“Because we have hair roots.”

But medically, that is not the full picture.

The true driver of hair growth is hair follicle stem cells.


■ What Are Hair Follicle Stem Cells?

Hair follicle stem cells are:

Cells that serve as the source of hair production

They are located in a specific region of the hair follicle called:

The bulge area

These cells have the ability to:

  • Self-renew
  • Differentiate into hair-producing cells

In other words:

They carry the blueprint for hair regeneration


■ How Does Hair Actually Grow?

Hair growth is a complex biological process.

When stem cells are activated:

  • They differentiate into matrix cells
  • Communicate with the dermal papilla
  • Form new hair shafts

Therefore:

Everything depends on whether these stem cells are active


■ Why Does Hair Loss Occur?

This is a critical point.

In AGA (androgenetic alopecia):

Hair follicle stem cells are not lost

Instead:

  • DHT (dihydrotestosterone)
  • Reduced blood flow
  • Micro-inflammation

lead to:

A “dormant” state

As a result:

  • Hair becomes thinner
  • Hair cycles shorten
  • Eventually, hair becomes invisible

■ Limitations of Conventional Treatments

Medications such as:

  • DHT inhibitors
  • Hair loss suppressants

are important.

However:

They do not directly activate stem cells

Which means:

They mainly “slow down loss” rather than regenerate hair


■ The Core of Regenerative Medicine

The key concept is:

Reactivating hair follicle stem cells

Stem cell conditioned media contains:

  • Growth factors
  • Cytokines
  • Exosomes

These components act as:

Signals that tell cells to “start working again”


■ Why Combine with Morpheus8?

Another crucial factor is:

Where the treatment is delivered

Hair follicle stem cells exist in:

Deep dermis to subcutaneous layers

Morpheus8 enables:

  • Precise depth delivery
  • High concentration penetration

And additionally:

  • RF-induced activation
  • Improved blood circulation

In other words:

“Delivery” + “Activation”


■ The AVAN TOKYO Approach

At AVAN TOKYO, we believe:

The goal is not to “increase hair,” but to “activate stem cells”

We design treatments by integrating:

  • Depth control
  • Energy settings
  • Drug delivery optimization

To create:

The optimal environment for stem cell activation


■ Final Thoughts

Hair growth is not a surface-level phenomenon.

It is a cellular-level reboot


■ “If You Don’t Activate the Key Player, You Won’t Get Results”

Hair loss treatment is shifting from:

“suppression” → “activation”

At AVAN TOKYO, we directly target:

**Hair follicle stem cells—the true key player—

to restore natural hair growth.**