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research Disruption of Smad4 in Mouse Epidermis Leads to Depletion of Follicle Stem Cells

43 citations , December 2008 in “Molecular biology of the cell”

This study found that disrupting Smad4 signaling in young mice led to overactivation of follicle stem cells, causing hyperplasia and depletion of the stem cell niche.

research Krt6a-Cre Transgenic Mice Direct LoxP-Mediated Recombination to the Companion Cell Layer of the Hair Follicle and Following Induction by Retinoic Acid to the Interfollicular Epidermis

10 citations , January 2004 in “Journal of Investigative Dermatology”

Krt6a-Cre transgenic mice help study gene effects on hair follicle development and tumor suppression.

research Stem Cells in the Hair Follicle and Interfollicular Epidermis of Mice following Topical Application of Fluocinolone Acetonide

2 citations , November 2007 in “Journal of Investigative Dermatology”

This study found that bulge keratinocytes in mice develop resistance to glucocorticoid treatment more slowly than interfollicular keratinocytes and do not significantly aid in repairing glucocorticoid-induced skin atrophy within five days.

Wnt Signaling Across Adult Skin Mini-Organs: Interfollicular Epidermis, Hair Follicle, and Nail—Implications for Disease and Regeneration

research Wnt Signaling Across Adult Skin Mini-Organs: Interfollicular Epidermis, Hair Follicle, and Nail—Implications for Disease and Regeneration

April 2026 in “International Journal of Molecular Sciences”

This review synthesizes recent research on how Wnt signaling regulates skin, hair follicle, and nail regeneration, highlighting its compartment-specific roles and discussing targeted strategies for treating conditions like alopecia, chronic wounds, and skin cancer.

research 1250 Development of an ex vivo human skin explant model to examine candidate gene functions in the hair follicle and epidermis

April 2018 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study found that treating human skin explants with TPA increased the number of certain melanocyte phenotypes in the interfollicular epidermis, suggesting that this ex vivo model can effectively replicate human skin's pharmacologic responses for studying potential treatments.

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Community Join

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community Another molecular pathway to promote scarless healing and regenerate hair follicles

14 upvotes 8 months ago

Carnosic acid in rosemary extract may enhance skin repair and promote hair follicle regeneration. It could be used alone or with verteporfin for scarless healing after dermal wounding.

community Dutasteride SAVES your hair follicles: MAJOR BS on people who say it destroyed their hair permanently.

158 upvotes 2 years ago

The conversation discusses the effectiveness of hair loss treatments, specifically finasteride and dutasteride. The conclusion is that dutasteride significantly reduces DHT levels and may be more effective than finasteride for long-term hair retention, with some users reporting personal experiences and side effects.

community Table of the relationship between physical exercise and the regeneration of the deminiaturized hair follicle

45 upvotes 1 year ago

Exercise, especially leg workouts, combined with finasteride and minoxidil, may enhance hair regrowth. Cold exposure, like cold showers, might further boost 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.

community Topical Metformin for Hair Transplant donor area skin/hair regeneration?

4 upvotes 1 year ago

Topical Metformin shows potential for regenerating hair follicles and minimizing scarring in hair transplant donor areas, similar to Verteporfin but without its side effects. The discussion suggests considering Metformin for post-hair transplant care, though more human trials are needed.

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Learn

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learn Epidermal Growth Factor

learn Low Level Laser Therapy

laser therapy for anti-inflammatory and likely insignificant hair regrowth effects

learn Osteopontin

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

learn Thymosin Beta 4

learn Niacinamide

How does Niacinamide support the hair follicle’s nutrition? Niacinamide nourishes hair follicles by boosting energy production and supporting antioxidant defenses.

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 Scalp Micropigmentation

Will scalp micropigmentation damage my existing hair or follicles? Scalp micropigmentation does not damage existing hair or follicles.

learn Redensyl

Does Redensyl regenerate follicles or only strengthen existing hair? Redensyl primarily strengthens existing hair rather than regenerating new follicles.

learn KY19382

How does KY19382 actually stimulate dormant hair follicles to grow again? KY19382 stimulates dormant hair follicles by reactivating the Wnt/β-catenin signaling pathway.

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Clinics

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Maison EpidermisOrléans · FR

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