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Glossary Regeneration

biological process of replacing or restoring lost tissues

Regeneration refers to the biological process by which organisms replace or restore lost or damaged tissues, organs, or cells. In the context of hair, it involves the renewal of hair follicles and the growth of new hair strands, often influenced by factors like genetics, hormones, and overall health.

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Research

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research Comparative Transcriptome Analysis of the Regenerating Zebrafish Telencephalon Unravels a Resource With Key Pathways During Two Early Stages and Activation of Wnt/β-Catenin Signaling at the Early Wound Healing Stage

33 citations , October 2020 in “Frontiers in Cell and Developmental Biology”

In this study, researchers found that during zebrafish telencephalon regeneration, the lesioned hemisphere showed distinct gene expression changes and activated Wnt/β-catenin signaling early after injury, suggesting this pathway's significant role in recovery.

research Integral characterization of normal and alopecic hair at different degeneration stages by in-situ visible and chemical imaging

13 citations , March 2020 in “Spectrochimica Acta Part A Molecular and Biomolecular Spectroscopy”

This study used infrared spectroscopic imaging and scanning electron microscopy to reveal that alopecic hair has more irregular laminated structures and differing chemical profiles than normal hair, suggesting changes related to alopecia progression.

research K15 & Id3 expression in intact and regenerating adult vibrissae rodent hair follicles

January 2009

This study suggests that keratin 15 and Id3 proteins play distinct roles in epithelial and dermal cell activities during the regeneration stages of rat vibrissae hair follicles.

research Resting no more: re‐defining telogen, the maintenance stage of the hair growth cycle

120 citations , November 2014 in “Biological Reviews”

This article explores the dynamic and energy-efficient nature of telogen hair follicles, challenging the notion of dormancy, and highlights their potential in advancing treatments for hair growth disorders.

research Reflectance spectroscopy for noninvasive evaluation of hair follicle stage

1 citations , November 2014 in “Journal of Biomedical Optics”

This study introduced a noninvasive spectroscopy method to assess hair follicle stages in mice by measuring skin diffuse reflectance and melanin dynamics, offering a potential tool for hair regeneration research.

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Community Join

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community Has anyone here actually undergone experimental (grey market) hair cell therapy/follicle cloning?

7 upvotes 5 months ago

Hair cell therapy and follicle cloning are still in experimental stages, with treatments like hair multiplication and regenerative hair therapy being marketed but not yet proven to create unlimited new follicles. There is skepticism about the effectiveness and legitimacy of these treatments, with some considering them scams.

community Pelage Pharmaceuticals’ PP405 and its Impact on Follicular Regeneration to be Presented at the American Academy of Dermatology (AAD) Annual Meeting 2026 28th march

30 upvotes 6 months ago

Pelage Pharmaceuticals' PP405 aims to treat hair loss by reactivating dormant hair follicle stem cells, showing promising results in early trials. The company plans to present their findings at the American Academy of Dermatology Annual Meeting in 2026.

community Pelage Pharmaceuticals’ PP405 and its Impact on Follicular Regeneration to be Presented at the American Academy of Dermatology (AAD) Annual Meeting 2026

122 upvotes 6 months ago

PP405 shows promise in regenerating hair by activating dormant follicles. Other treatments like VDPHL01 and Breezula are also advancing, providing new hope for hair loss solutions.

community SCUBE3 and GT20029 could be the closet thing to a cure: Hair Follicle Regeneration and Protection Against DHT

14 upvotes 3 years ago

SCUBE3 and GT20029 are potential treatments for hair loss, with SCUBE3 stimulating hair growth and GT20029 protecting against DHT. A combined approach using SCUBE3, finasteride or dutasteride, and later GT20029 could provide a comprehensive treatment for androgenetic alopecia.

community Researchers working on ways to regenerate lost hair from stem cells identified a recipe for normal hair regeneration in the lab. “A method for cyclical regeneration of hair follicles from hair follicle stem cells and will help make hair follicle regeneration therapy a reality in the near future.”

263 upvotes 5 years ago

Hair loss treatments like finasteride, minoxidil, and hair transplants have side effects and limitations. There is hope for future advancements in stem cell therapy and hair follicle regeneration, though skepticism about their effectiveness and timeline persists.

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Learn

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learn Hair Transplant

What happens after a hair transplant? Expect mild swelling and redness, with new hair growth starting in 3 to 6 months.

learn Osteopontin

signaling protein that, when suppressed, may grow hair by reducing inflammation and stem cell loss

learn Rapamycin

mTOR regulator and immunosuppressant used more recently for anti-aging and hair regrowth

learn Exosomes

Microscopic delivery system that sends growth-promoting signals to hair follicles

learn Thymosin Beta 4

What is Thymosin Beta 4, and why is it being researched in relation to hair follicle function and regeneration? Thymosin Beta 4 is a peptide being researched for its potential to enhance hair follicle regeneration.

learn Epidermal Growth Factor

learn Verteporfin

What is Verteporfin, and why is it being studied for hair follicle regeneration? Verteporfin is being studied for hair follicle regeneration due to its ability to inhibit YAP, promoting tissue healing.

learn Follistatin

What is follistatin, and how does it influence hair follicle growth and regeneration? Follistatin blocks activin and related growth-inhibiting proteins, which in laboratory and animal work is described as keeping hair follicles in their growth phase; the only verifiable human evidence is a single small 2011 phase 1 injection trial, so follistatin remains experimental and is not an approved hair-loss treatment.

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Clinics

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