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Research

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research The effects of intradermal injections of spermidine on the growth rate of fibres and mitosis of wool follicles in Merino lambs

3 citations , April 2002 in “Animal Science”

This study found that intradermal spermidine injections stimulated cell proliferation and increased fibre length growth rate in wool follicles of Merino lambs, without significantly affecting fibre diameter.

research Platelet-Rich Plasma and Micrografts Enriched with Autologous Human Follicle Mesenchymal Stem Cells Improve Hair Re-Growth in Androgenetic Alopecia. Biomolecular Pathway Analysis and Clinical Evaluation

69 citations , April 2019 in “Biomedicines”

This study found that hair thickness and density increased after treatment with human follicle mesenchymal stem cells and platelet rich plasma, associated with enhanced Wnt signaling and platelet derived growth factors.

research Experimental Evidence in Hair Restoration Procedures: Plucked Hair Survival and Growth Rate.

March 2016 in “PubMed”

This study found that plucked hair follicles exhibited a higher growth rate than conventional one-hair micrografts in vitro, suggesting they may be a less invasive alternative for hair transplantation.

research Cryopreservation of Hair-Follicle Associated Pluripotent (HAP) Stem Cells Maintains Differentiation and Hair-Growth Potential

4 citations , January 2016 in “Advances in experimental medicine and biology”

This study established that cryopreservation methods can maintain the pluripotency and hair growth potential of hair follicle-associated pluripotent stem cells, enabling potential applications in regenerative medicine and hair transplantation.

research Transcriptome Sequencing and Mass Spectrometry Reveal Genes Involved in the Non-mendelian Inheritance-Mediated Feather Growth Rate in Chicken

January 2024 in “Biochemical genetics”

This study investigated the gene and protein expression differences in early and late feathering chickens, identifying several pathways, like JAK-STAT and WNT, potentially involved in non-Mendelian feather growth regulation.

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Community Join

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community New Study: PP405, developed by Pelage Pharmaceuticals, can reactivate dormant hair follicle stem cells and stimulate natural hair growth by 20%

843 upvotes 1 year ago

PP405, developed by Pelage Pharmaceuticals, can reactivate dormant hair follicle stem cells and increase hair growth by 20% in eight weeks, unlike minoxidil or finasteride. However, skepticism remains about its effectiveness and availability, with concerns about funding and the timeline for broader access.

community Rubedo Life Sciences Announces Clinical Study to Treat Hair Loss with GPX4 Modulator RLS-1496, First Human Ex Vivo Evidence Demonstrates Robust Hair Follicle Growth

1071 upvotes 1 week ago

Rubedo Life Sciences is developing a GPX4 modulator, RLS-1496, for hair loss treatment, showing promising hair follicle growth in early tests. Concerns include potential side effects like organ damage, with a realistic market release several years away.

community Pelage PP405: New Hair Growth from Inactive Follicular Units - Phase 2a results at AAD 2026

1080 upvotes 5 months ago

PP405, a topical treatment, shows promise for hair growth by activating inactive follicles, with 66% of participants experiencing positive results. The treatment is well-tolerated and may proceed directly to Phase 3 trials, offering a potential alternative to minoxidil and finasteride.

community Oral Biotin and Topical Minoxidil have a synergy effect in increasing hair growth, the study was only done in healthy subjects and it was only 14 days but it does prove that biotin can play a significant role as an adjunct treatment.

168 upvotes 1 year ago

Oral biotin combined with topical minoxidil may increase hair growth rate, though the study was limited to healthy subjects and did not measure hair density. Some users report personal benefits from biotin, such as faster nail growth and healthier hair, but concerns about acne and study quality were also mentioned.

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 Stem Cell Factor

learn Osteopontin

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

learn Dexpanthenol

precursor of vitamin B5 with hair stimulating effects

learn Melatonin

hormone commonly taken for sleep aid has some topical benefits for hair

learn Thymosin Beta 4

learn oleic acid

How does Oleic Acid support hair follicle strength and growth? Oleic acid strengthens hair follicles by enhancing hydration and reducing inflammation.

learn Procyanidin

What is Procyanidin, and how does it encourage hair growth at the follicle level? Procyanidin stimulates hair growth by promoting cell proliferation in hair follicles.

learn Vascular Endothelial Growth Factor

Can products that stimulate Vascular Endothelial Growth Factor (VEGF) improve blood flow to hair follicles? Yes, products that stimulate VEGF may improve blood flow to hair follicles.

learn Folic acid

How does folic acid support hair follicle health and growth at a cellular level? Folate is required for the DNA synthesis that fast-dividing hair matrix cells depend on, and severe deficiency causes anemia—but no published trial has given folic acid to people with hair loss and measured the result, so a growth effect is a mechanism, not a finding.

learn Ecklonia Cava

Can Ecklonia Cava reactivate dormant hair follicles and support new growth? Ecklonia Cava may support scalp health but lacks definitive evidence for reactivating hair follicles.

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Clinics

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