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research Inducible ß-Catenin Activation and PTEN Inactivation Elicit Follicular Tumours, Not Papillomas: A Potential Paradigm for Trichilemmomas in Cowden’s Disease

January 2017 in “Enlighten: Publications (The University of Glasgow)”

This study found that in mice with deregulated β-catenin and PTEN signaling, increased follicular hyperplasia and sebaceous gland changes occur, but typical papillomas do not develop, potentially due to p21 response and reduced stem cell markers.

Cyclosporin A-Induced Hair Growth in Mice Is Associated with Inhibition of Calcineurin-Dependent Activation of NFAT in Follicular Keratinocytes

research Cyclosporin A-induced hair growth in mice is associated with inhibition of calcineurin-dependent activation of NFAT in follicular keratinocytes

57 citations , June 2003 in “American Journal of Physiology-cell Physiology”

This study found that cyclosporin A treatment enhances hair growth in mice by inhibiting calcineurin-NFAT1 activity, which alters keratinocyte differentiation and apoptosis-related gene expression in hair follicles.

research 917 Frontal fibrosing alopecia scalp profiling links Th1/Th2 and JAK3 activation with fibrosis and loss of follicular stem cells

April 2019 in “Journal of Investigative Dermatology”

Targeting immune pathways like JAK/STAT may help treat frontal fibrosing alopecia.

Polymeric Micelle Mediated Follicular Delivery of Spironolactone: Targeting the Mineralocorticoid Receptor to Prevent Glucocorticoid-Induced Activation and Delayed Cutaneous Wound Healing

research Polymeric micelle mediated follicular delivery of spironolactone: Targeting the mineralocorticoid receptor to prevent glucocorticoid-induced activation and delayed cutaneous wound healing

9 citations , June 2021 in “International Journal of Pharmaceutics”

This study found that polymeric micelle nanocarriers delivered pharmacologically relevant amounts of spironolactone to the epidermis and upper dermis, with higher delivery to pilosebaceous units, suggesting potential for treating glucocorticoid-induced impaired wound healing and pilosebaceous androgen-related skin diseases.

Dendrobium Officinale Polysaccharide Improves Hair Regrowth in Androgenetic Alopecia Mice and Is Associated with Coordinated Changes in Local Steroid Metabolism, ESR1 Activation, and Keratin-Related Follicular Responses

research Dendrobium officinale polysaccharide improves hair regrowth in androgenetic alopecia mice and is associated with coordinated changes in local steroid metabolism, ESR1 activation, and keratin-related follicular responses

May 2026 in “Frontiers in Pharmacology”

In this study, DOP treatment improved hair regrowth in androgenetic alopecia by altering local steroid metabolism and follicular morphology.

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Clinics

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Hair Transplant
Australian Hair & Scalp Clinics-Hair Regrowth by Herbal Follicular ActivationMelbourne, VIC · AU

Community Join

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community Pelage Pharmaceuticals’ PP405 and its Impact on Follicular Regeneration to be Presented at the American Academy of Dermatology (AAD) Annual Meeting 2026

122 upvotes 6 months ago

PP405 shows promise in regenerating hair by activating dormant follicles. Other treatments like VDPHL01 and Breezula are also advancing, providing new hope for hair loss solutions.

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 Haircafe slams pp405 presentation. Are results really that bad?

64 upvotes 5 months ago

PP405 shows promise in activating dormant hair follicles and increasing hair counts but lacks detailed efficacy data compared to minoxidil and finasteride. Opinions are mixed, with some optimism and skepticism about its effectiveness.

community Found a slide summary for PP405

35 upvotes 5 months ago

PP405 shows promise in stimulating new terminal hair growth by activating dormant follicles, with no systemic adverse effects observed in a short-term trial. However, long-term efficacy remains unproven, and further trials are needed to confirm its potential as a hair loss treatment.

community Why I Take 5mg Minoxidil at Night Instead of Splitting 2.5mg

9 upvotes 4 months ago

Taking 5mg oral minoxidil at night instead of splitting 2.5mg doses, with the rationale that a single larger dose may provide a stronger activation for hair follicles and reduce peak-related side effects. Some users report sleep issues with nighttime dosing, while others find it beneficial; opinions on effectiveness and side effects vary.

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Learn

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learn Minoxidil

An essential vasodilator with some anti-androgenic effects

learn Epidermal Growth Factor

learn Thymosin Beta 4

learn Overview

learn Hair Multiplication

extract, clone, and reinsert your own hair cells

learn Hair Transplant

What is Follicular Unit Extraction (FUE) in hair transplants? Follicular Unit Extraction (FUE) is a minimally invasive hair transplant method that extracts individual hair follicles.
What is Follicular Unit Transplantation (FUT) in hair transplants? Follicular Unit Transplantation (FUT) involves removing a scalp strip for hair restoration.

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