01

HairClone

Early clinical evaluation — company reported

United Kingdom / Guatemala

Follicle rejuvenation

Approach

Autologous follicle-cell expansion and injection

Public evidence

The company says its Guatemala GMP facility is operational and volunteers were selected for injections. No public treatment results were located.

02

Epibiotech

Phase I/II — recruiting

South Korea

Follicle rejuvenation

Approach

Autologous dermal papilla cell product EPI-001

Public evidence

ClinicalTrials.gov lists a 42-participant dose-escalation and placebo-controlled study that began in January 2026.

03

OrganTech

Preclinical / preparing clinical research

Japan

De novo follicle regeneration

Approach

Engineered follicular units using epithelial, dermal papilla and supporting cells

Public evidence

A 2026 publication described a three-cell in-vitro regeneration system. The company says humanisation work is ongoing.

04

Stemson Therapeutics

Preclinical development

United States

De novo follicle regeneration

Approach

iPSC-derived engineered follicular units intended to create new follicles

Public evidence

The company describes engineered follicular units and has reported preclinical human-hair formation work; no recruiting human trial was located.

05

RepliCel / RCH-01

Clinical evidence; next development step unclear

Canada / Japan

Follicle rejuvenation

Approach

Autologous dermal sheath cup cells

Public evidence

A 19-participant Phase I/II registry study is complete, and a separate Japanese dose-ranging study was published. The source page discusses further study plans.

06

Acorn Biolabs

Recruiting controlled study

Canada / United States

Adjacent: follicle-derived secretome

Approach

Autologous secreted factors produced from cultured follicle-derived cells

Public evidence

A 60-participant registered study is testing secretome injections. This is not cell transplantation or new-follicle engineering.

Inclusion is not endorsement. Developers can request factual corrections at editor@haircloning.info.

Professional use

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