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research Angiopoietin-1 induces survival and proliferation of hair follicle dermal papilla cells through integrin α5β1 signaling

September 2025 in “Frontiers in Medicine”

This study found that angiopoietin-1 significantly reduces apoptosis and promotes proliferation in human follicle dermal papilla cells under DHT-induced stress, suggesting its potential as a therapeutic candidate for androgenetic alopecia.

research 659 Improved graft survival and hair follicle neogenesis in dermal epidermal constructs incubated with bioactive peptides

July 2024 in “Journal of Investigative Dermatology”

Bioactive peptides improve graft survival and new hair growth.

research An In vitro Study Comparing the Survival of Hair Follicles in Various Storage Media at Different Temperatures for Hair Transplant Procedure

March 2025 in “International Journal of Trichology”

In this study, researchers found that storing hair grafts at 37°C with 10% DMEM led to better graft survival compared to other solutions and temperatures, suggesting this method may enhance graft longevity and therapeutic outcomes.

research Human epithelial stem cell survival within their niche requires “tonic” cannabinoid receptor 1‐signalling—Lessons from the hair follicle

14 citations , February 2021 in “Experimental Dermatology”

This study found that activating CB1 receptor signaling in human hair follicles increased stem cell proliferation while reducing differentiated cell survival, suggesting CB1's role as a survival stimulus for epithelial stem cells.

research A systematic summary of survival and death signalling during the life of hair follicle stem cells

31 citations , August 2021 in “Stem Cell Research & Therapy”

This review examines the life cycle, biomarkers, and functions of hair follicle stem cells, emphasizing their role in hair loss therapy and other skin and hair disorders, but reports no new clinical results.

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Community Join

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community Protective effects of taurine on human hair follicle grown in vitro. - PubMed

4 upvotes 7 years ago

Taurine promotes hair survival and protects hair follicles. Users discuss trying topical taurine for hair growth.

community The end of balding: We may have just found the secret to hair regrowth

in Technology 680 upvotes 1 year ago

MCL-1 is important for hair follicle stem cell survival, but its impact on human hair regrowth is unclear. Minoxidil and finasteride are the main treatments, with doubts about new discoveries leading to effective human solutions soon.

community Intermittent fasting triggers hair loss in study (suppresses hair follicle regeneration)

in Research/Science 241 upvotes 8 months ago

Intermittent fasting may suppress hair follicle regeneration, but opinions vary on its impact on hair loss. Some users report no negative effects or even hair improvement while using treatments like finasteride and minoxidil.

community Why do Hair Transplant procedures take a rectangle from the donated area?

in Transplants 6 upvotes 2 months ago

Hair transplants typically involve spreading follicle extraction across the back and sides of the head to maintain an even appearance, rather than taking a solid rectangle of grafts. FUT procedures, which involve taking a strip of skin, are less common now due to advancements in techniques like FUE, which heal well and are less invasive.

community How a follicle next to it is so genetically different that it never miniaturized??

in Chat 219 upvotes 1 year ago

Genetic differences in hair follicles affect hair loss patterns. Treatments discussed include finasteride, dutasteride, minoxidil, and RU58841.

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Learn

10 / 800 results

learn Hair Transplant

Surgery that moves hair follicles from the back of the scalp to thinning areas

learn Rapamycin

Immune-suppressing drug, also called sirolimus

learn Niacinamide

Does niacinamide support hair follicle nutrition? Niacinamide is a precursor of NAD+, a molecule cells use for energy. Whether it affects hair follicles in people has not been tested.

learn Scalp Micropigmentation

Will scalp micropigmentation damage my existing hair or follicles? Providers say SMP sits above the hair follicles and does not harm them. No study has tested this, and infection or scarring from any tattoo can affect the skin.

learn Sulforaphane

Can sulforaphane protect hair follicles from inflammation and damage? In lab and mouse studies, sulforaphane reduced markers of inflammation and oxidative stress. No human study has tested whether it protects hair follicles.

learn Fluridil

Can daily Fluridil application stop hair follicle miniaturization? The single published fluridil trial (43 men; placebo-controlled for 3 months, then all on fluridil to 9 months) reported more hairs in the growth phase, but it never measured follicle diameter and has not been replicated — so whether daily use stops miniaturization is unproven, and community users describe stabilization rather than regrowth.

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 SCUBE3

Signalling protein made in the hair follicle

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Alopecia Areata

autoimmune disorder causing patchy hair loss

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Clinics

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All 38 clinic results →

Experts

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SMP Specialist
Hairo Fallas
Newark, NJ, United States

Hairo Fallas