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Glossary Hair Growth Factors

naturally occurring proteins that stimulate hair follicle growth

Hair Growth Factors are naturally occurring proteins or compounds that stimulate hair follicles to enter the growth phase, promoting hair development and reducing hair loss. These factors, such as keratinocyte growth factor (KGF) and vascular endothelial growth factor (VEGF), play crucial roles in cellular signaling pathways that regulate the hair growth cycle, making them essential in both clinical treatments for alopecia and cosmetic hair care products.

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Research

5 / 1000+ results

research SIRT 7 activates quiescent hair follicle stem cells to ensure hair growth in mice

38 citations , July 2020 in “EMBO journal”

In this study, researchers found that SIRT7 activates quiescent hair follicle stem cells to promote hair growth in mice by triggering the telogen-to-anagen cycle transition, with potential implications for age-related hair loss.

research Hepatocyte growth factor (HGF) activator expressed in hair follicles is involved in in vitro HGF-dependent hair follicle elongation

77 citations , February 2001 in “Journal of Dermatological Science”

HGF activator helps convert HGF to its active form, promoting hair growth.

research Hair growth enhancement via mitochondrial activation by Mito‐activator complex

February 2026 in “International Journal of Cosmetic Science”

This study found that a novel Mito-Activator Complex, containing nicotinamide and epigallocatechin gallate, significantly increased hair density and growth in a 6-month human trial, with no adverse effects reported, potentially offering a new approach to hair loss treatment through mitochondrial activation.

research Serotonin activates dermal papilla cells and promotes hair growth

July 2025 in “Scientific Reports”

This study observed that serotonin signaling promoted hair shaft elongation and upregulated hair growth-related genes in dermal papilla cells, suggesting its potential role in advancing alopecia therapy.

Millet Seed Oil Activates Beta-Catenin Signaling and Promotes Hair Growth

research Millet seed oil activates β–catenin signaling and promotes hair growth

1 citations , May 2023 in “Frontiers in Pharmacology”

This study found that millet seed oil effectively promoted hair growth in a mouse model with testosterone-induced hair growth inhibition, suggesting its potential use in preventing or treating androgenetic alopecia.

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Community Join

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community JW Pharmaceutical shows superiority of 'JW0061' in hair growth over existing treatments in US

in Research/Science 99 upvotes 2 years ago

JW0061 shows superior hair growth results compared to existing treatments, with significant increases in hair follicles. The Wnt/β-catenin pathway is crucial for hair growth, and JW0061 activates this pathway effectively.

community Hair loss research focused on chemistry for decades because we misunderstood the mechanics of growth.

51 upvotes 7 months ago

Hair growth relies on mechanical forces, not just chemicals, with tissue acting like a motor. Minoxidil and finasteride help, but maintaining tissue elasticity and addressing mechanical issues are essential.

community TDM-105795 phase 2 results are in!

27 upvotes 2 years ago

TDM-105795 showed promising hair growth results, with higher efficacy than placebo and minimal side effects. It activates dormant hair follicle stem cells and may maintain gains without immediate loss, unlike minoxidil.

community New & Improved Hair Growth Stack for Maximum Results

5 upvotes 1 year ago

A user shared a hair growth stack using minoxidil sulfate, valproic acid, bimatoprost, blue copper peptide, and other ingredients, emphasizing a gel-based formula for better skin tolerance. Another user suggested adding a 5-alpha-reductase inhibitor like finasteride or dutasteride for more effective long-term results.

community Keratin microspheres - breakthrough

14 upvotes 2 years ago

A gel of keratin microspheres promotes hair follicle growth, showing similar effectiveness to minoxidil in mice. The treatment activates hair growth pathways and reduces inflammation, with potential applications in drug delivery for hair-related disorders.

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Learn

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learn KY19382

compound that activates Wnt/β-catenin to promote hair regrowth and create new hair follicles

learn Stem Cell Factor

learn Osteopontin

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

learn PP405

mitochondrial pyruvate carrier (MPC) inhibitor by Pelage in early trials

learn Beta Polypeptide

learn Hair Transplant

When will I see new hair growth after a hair transplant? New hair growth usually starts 2-4 months after a hair transplant.

learn Nanoxidil

How long does it usually take to notice new hair growth with Nanoxidil? New hair growth with Nanoxidil typically takes 3 to 6 months to become noticeable.

learn Platelet-Rich Plasma

How many Platelet sessions are usually needed before noticeable hair growth begins? Noticeable hair growth typically begins after 2 to 3 PRP sessions.

learn Vascular Endothelial Growth Factor

What is Vascular Endothelial Growth Factor (VEGF), and how does it support hair growth in alopecia? VEGF promotes hair growth by enhancing blood supply to hair follicles.

learn Caffeine

Does caffeine stimulate hair growth or only slow hair loss? Caffeine stimulates hair follicles in laboratory cultures, and one open-label trial in 210 men found a 0.2% caffeine topical non-inferior to minoxidil 5% on an anagen-ratio endpoint; there is no placebo-controlled evidence that it regrows hair, and none at all in alopecia areata or telogen effluvium.

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Clinics

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Experts

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Unscored
SMP Specialist
Hairo Fallas
Newark, NJ, United States

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Hairo Fallas