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research Complementary Strategies to Promote Hair Regrowth in Post-COVID-19 Telogen Effluvium

April 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)”

This article reviews evidence-based complementary strategies to enhance hair regrowth after post-COVID-19 telogen effluvium, emphasizing psychological support, patient education, nutrition, and both topical and injectable hair growth stimulators.

research miR-140-5p in Small Extracellular Vesicles From Human Papilla Cells Stimulates Hair Growth by Promoting Proliferation of Outer Root Sheath and Hair Matrix Cells

18 citations , December 2020 in “Frontiers in cell and developmental biology”

This study found that extracellular vesicles from low-passage dermal papilla cells may activate hair growth by delivering miR-140-5p, which downregulates BMP2 signaling, suggesting potential therapeutic targets for alopecia.

research Sustained release of dermal papilla-derived extracellular vesicles from injectable microgel promotes hair growth

46 citations , January 2020 in “Theranostics”

This study demonstrated that OSA hydrogels enhanced the stability and retention of dermal papilla-derived extracellular vesicles, which significantly improved hair regeneration in both cultured human hair and a mouse depilation model.

research Prostaglandin F2α stimulates the growth of human intermediate hair follicles in ex vivo organ culture with potential clinical relevance

June 2025 in “Frontiers in Physiology”

This study demonstrated that PGF 2α significantly stimulates hair growth in human hair follicles via a receptor-driven mechanism, with a notably stronger response in intermediate follicles than in terminal ones, suggesting potential clinical significance for conditions like alopecia.

research 453 Signaling by Senescent Melanocytes Induces New Hair Growth and Informs Hair Growth-Activating Injectable for Androgenetic Alopecia

November 2025 in “Journal of Investigative Dermatology”

AMP-303 injections can increase hair growth in androgenetic alopecia with minimal side effects.

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Community Join

5 / 87 results

community Expectations control for SCUBE3

20 upvotes 2 years ago

SCUBE3, a protein linked to hair growth in moles, was discovered over 25 years ago and is being developed by Amplifica for potential hair loss treatment. Concerns exist about SCUBE3's association with cancer, as it is a protein that promotes cell growth, which could potentially trigger cancer development if used for hair growth therapy.

community GH peptides + KLOW blend saved my hair. before and after pics.

833 upvotes 6 months ago

Using finasteride and peptides, including GHK-Cu, improved hair thickness and regrowth. The user also used a KLOW blend and CJC/IPA for better sleep and recovery.

community Husband’s 2.5 month progress so far - I’m amazed!!

354 upvotes 1 year ago

A husband saw significant hair regrowth in 2.5 months using minoxidil, finasteride, collagen, biotin, multivitamins, GHK-cu, microneedling, and scalp oils. His wife highlighted the routine's effectiveness and the importance of consistency.

community Has anyone done research on Absci's AI‑driven antibody platform? Seeking your thoughts!

4 upvotes 1 year ago

A user is interested in Absci's AI-driven antibody platform, ABS-201, for treating androgenetic alopecia, which shows promising preclinical results and potential for hair regrowth and pigmentation restoration. However, concerns are raised about the drug's development timeline and its advantages compared to existing treatments.

community Has anybody tried injectable AHK-Cu for hair?

12 upvotes 2 months ago

Injectable AHK-Cu is being explored for hair growth, with some users noting skin benefits but expressing concerns about unwanted body hair growth. Topical application is more common, and users discuss mixing it with hyaluronic acid serum at a 1% concentration.

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Learn

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learn Thymosin Beta 4

Is Thymosin Beta 4 being explored more as a topical treatment or as a systemic (oral or injectable) approach for hair loss? Thymosin Beta 4 has been tested for hair growth only in animals, mostly applied to the skin; there are no human hair-loss trials by any route. Injectable TB-500 sold online is unapproved and flagged by the FDA for safety risks.

learn KY19382

Experimental compound that activates hair-growth signals, tested only in animals

learn Vascular Endothelial Growth Factor

Can products that stimulate Vascular Endothelial Growth Factor (VEGF) improve blood flow to hair follicles? Unproven. Raising VEGF increases vessels around follicles in mice and minoxidil raises VEGF in cultured cells, but no study shows VEGF-marketed products improve scalp blood flow or hair loss in people.

learn Microneedling

How does microneedling boost hair growth in thinning areas of the scalp? Small trials suggest microneedling may help mainly as an add-on to minoxidil; how it works in humans is not established, and the FDA has not cleared any microneedling device for hair loss.

learn Exosomes

Tiny cell-derived particles offered by clinics as an injectable treatment

learn GHK-Cu

Copper peptide used in skin and hair cosmetics

learn Follistatin

Protein that blocks activin, a growth-regulating signal

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Clinics

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Experts

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SMP Specialist
Hairo Fallas
Newark, NJ, United States

Hairo Fallas