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research LB788 Development of a novel three-dimensional human epidermal model from plucked hair follicle-derived keratinocytes

July 2016 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study concluded that a new model of reconstructed human epidermis using keratinocytes from plucked hair follicles offers a less-invasive alternative to conventional skin-derived models for skin research.

$Human Keratinocytes Derived from the Bulge Region of Hair Follicles Are Refractory to Differentiation$

research Human keratinocytes derived from the bulge region of hair follicles are refractory to differentiation

8 citations , April 2009 in “International journal of oncology”

This study found that bulge-derived keratinocytes from human follicles were more resistant to differentiation compared to epidermal keratinocytes, possibly due to WIF-1 involvement.

Influence of Human Placenta Extracts on Prostanoids Production in Cultured Hair Follicle-Derived Keratinocytes: The Possibility of Pharmaceutical Regenerative Medicine

research Influence of Human Placenta Extracts on Prostanoids Production in Cultured Hair Follicle-Derived Keratinocytes: The Possibility of Pharmaceutical Regenerative Medicine

January 2020 in “Journal of St. Marianna University”

This study found that human placenta extract may enhance hair growth by increasing PG-E2 and PG-F2a production while decreasing PG-D2 levels in cultured hair follicle keratinocytes.

research Establishment of a new three‐dimensional human epidermal model reconstructed from plucked hair follicle‐derived keratinocytes

12 citations , May 2016 in “Experimental Dermatology”

The researchers concluded that their new reconstructed human epidermis model from plucked hair follicle-derived keratinocytes offers a safer and simpler alternative to traditional skin-derived models for studying epidermal function.

Anti-Hair Loss Activity of Healthy Human Scalp-Derived Staphylococcus Capitis KMH304 Ferment Filtrate in Human Hair-Follicle Dermal Papilla and Keratinocyte Cells

research Anti-Hair Loss Activity of Healthy Human Scalp-Derived Staphylococcus capitis KMH304 Ferment Filtrate in Human Hair-Follicle Dermal Papilla and Keratinocyte Cells

April 2026 in “Microorganisms”

This study suggests that Staphylococcus capitis ferment filtrate (SCFF) may promote hair growth and scalp health by modulating pathways related to hair loss, aging, and oxidative stress in vitro.

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Community Join

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community Peptides that Stop Hair Loss? | In-depth Literature Review Video

76 upvotes 2 years ago

Peptides like TB500, KPV, GHK-CU, and BPC-157 are overhyped for hair growth with limited proven effectiveness in humans. Combining peptides with delivery methods like iontophoresis and sonophoresis shows promise, but many claims remain unproven.

community Comprehensive Microneedling Guide

292 upvotes 4 years ago

Microneedling for hair restoration involves daily use of a 0.3 mm device and weekly use of a 0.5 mm device. Combining microneedling with Minoxidil can enhance hair growth.

community My derm said they came up with a new serum that is better then fin? What’s y’all’s thoughts

8 months ago

A new serum claims to enhance hair regrowth by amplifying oxygen delivery, improving the effectiveness of treatments like exosomes and peptides. Users are skeptical, questioning its efficacy compared to established treatments like Minoxidil and Finasteride.

community Sandalore experiment

18 upvotes 7 years ago

A user added sandalore to minoxidil for hair loss, observing some vellus hair growth and less scalp inflammation. Others tried sandalore with mixed results, discussing dosage and effectiveness compared to minoxidil and finasteride.

community Please explain this Minoxidil phenomena

58 upvotes 2 years ago

The post discusses the difference in effects of Minoxidil (Min) on scalp and facial hair. The user questions why Min-induced hair growth on the scalp is temporary, while facial hair growth seems permanent, even after stopping Min. They propose theories, including different Min mechanisms on body and facial hair, the role of DHT, and the possibility of not achieving fully terminal hair. The responses include personal experiences and theories about Min's effects on hair growth.

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Learn

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learn Osteopontin

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

learn Thymosin Beta 4

learn Epidermal Growth Factor

learn Stem Cell Factor

learn Platelet-Rich Plasma

What is Platelet-Derived Growth Factor Beta Polypeptide, and how does it help stimulate new hair growth? PDGF-BB is a growth factor that signals to dermal papilla cells and promotes blood-vessel formation; mouse studies report it can push follicles into the growth phase, and human evidence comes only indirectly from PRP trials. No PDGF product is approved for hair restoration and there is no published human trial of PDGF-BB on its own.

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Fluocinolone

Can long-term use of Fluocinolone affect the health of hair follicles? There is no long-term human trial measuring what topical fluocinolone does to hair follicles; what is documented is the label's warning about skin atrophy with prolonged use, plus a 2007 mouse study suggesting hair-follicle bulge stem cells do not repair steroid-induced atrophy.

learn sh-Polypeptide-7

How does sh-Polypeptide-7 help stimulate hair follicle activity or reduce scalp inflammation? sh-Polypeptide-7 is the INCI name for a lab-made form of human growth hormone (somatotropin) — not EGF, which is sh-Oligopeptide-1. Growth hormone and IGF-1 signalling is documented in hair follicle biology, but there is no published human trial of sh-Polypeptide-7 applied to the scalp for hair growth or scalp inflammation.

learn SCUBE3

How does SCUBE3 work on hair follicles compared to treatments like minoxidil or finasteride? Laboratory research in mice reports that SCUBE3, a protein released by dermal papilla cells, signals dormant follicles to grow through the TGF-β pathway downstream of Hedgehog; minoxidil and finasteride instead work on blood flow to the follicle and on DHT, and unlike SCUBE3 they have decades of human trial data behind them. SCUBE3 has not been tested in human clinical trials and is not available as a medicine.

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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