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research Conditioned media-integrated microneedles for hair regeneration through perifollicular angiogenesis

12 citations , August 2022 in “Journal of Controlled Release”

In this study, a microneedle patch containing conditioned media from hypoxia-pretreated stem cells enhanced hair regeneration in an androgenetic alopecia mouse model by boosting perifollicular vascularization and hair follicle stem cell activation compared to minoxidil.

research 354 Investigating early molecular changes in a model of x-ray radiation-induced alopecia: spotlight on growth arrest and endothelial dysfunction

November 2025 in “Journal of Investigative Dermatology”

Radiation-induced hair loss may be caused by hair growth stopping and inflammation in blood vessels.

Preclinical Evidence Supporting Selective Inhibition of Tyrosine Kinase 2-Dependent, IL-12-Mediated Signaling as a Novel Strategy for Alopecia Areata Management

research 27 Preclinical ex vivo and in vivo evidence supporting selective inhibition of tyrosine kinase 2-dependent, IL-12-mediated signaling as a novel pharmacological strategy for alopecia areata management

November 2023 in “The journal of investigative dermatology/Journal of investigative dermatology”

In this study, researchers found that ex vivo and in vivo administration of the TYK2 inhibitor BMS-986202 prevented immune privilege collapse and promoted hair regrowth in models of alopecia areata, suggesting this approach may offer a new therapeutic avenue deserving of clinical investigation.

research Progenitor Cell Dynamics in Androgenetic Alopecia: Insights from Spatially Resolved Transcriptomics

June 2025 in “International Journal of Molecular Sciences”

In this study, researchers used spatial transcriptomics to identify increased expression of genes linked to extracellular matrix organization and epithelial–mesenchymal transition in the progenitor cell regions of hair follicles in androgenetic alopecia patients, suggesting a possible role in progenitor cell loss and fibrogenic microenvironment development.

Environmental Pathobiology of Frontal Fibrosing Alopecia: Does Linalool Promote FFA Development and Progression?

research 382 Environmental pathobiology of frontal fibrosing alopecia (FFA): Does linalool promote FFA development and progression by inducing epithelial hair follicle stem cell damage and MICA expression in the bulge?

November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study suggests that allergens like linalool found in personal care products may contribute to the pathobiology of frontal fibrosing alopecia by affecting immune responses and stem cell function in hair follicles.

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community DHT Isn’t the Only Factor in Hair Loss and That Might Be the Key to a Real Cure

373 upvotes 6 months ago

Hair loss involves more than just DHT, with genetic factors like TRPS affecting hair follicles. Treatments such as Amplifica's AMP-601 and AMP-303 target stem cells for potential hair growth solutions.

community Perifollicular Fibrosis and its role in androgenetic alopecia. Is Aminexil/Kopexil a must for anyone with AGA?

5 upvotes 4 years ago

Aminexil/Kopexil may help reduce hair loss by addressing perifollicular fibrosis in androgenetic alopecia, but it lacks the extensive clinical backing of finasteride and minoxidil. Some users find it effective, but availability and cost are issues, especially in the US where it's not FDA-approved.

community Polydopamine Synergizes with Quercetin Nanosystem to Reshape the Perifollicular Microenvironment for Accelerating Hair Regrowth in Androgenetic Alopecia.

11 upvotes 2 years ago

A quercetin-encapsulated and polydopamine-integrated nanosystem (PDA@QLipo) shows promise for treating androgenetic alopecia by reshaping the perifollicular microenvironment, outperforming minoxidil in hair regeneration. The nanosystem promotes cell proliferation, hair follicle renewal, and recovery by scavenging reactive oxygen species and enhancing neovascularity.

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