25 citations
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June 2022 in “Developmental cell” Overactivating Hedgehog signaling makes hair follicle cells in mice grow hair faster and create more follicles.
17 citations
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June 2019 in “The journal of immunology/The Journal of immunology” A specific DNA region is crucial for Foxn1 gene expression in thymus cells but not in hair follicles.
11 citations
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June 2022 in “Frontiers in immunology” New protein changes may be involved in the immune attack on hair follicles in alopecia areata.
5 citations
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January 2022 in “PloS one” Deleting the p63 gene in certain cells causes problems in thymus development and severe hair loss in mice.
3 citations
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February 2018 in “Human Reproduction” A man with testotoxicosis was fertile despite low FSH levels, suggesting high testosterone may allow sperm production without FSH.
3 citations
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February 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Adult esophageal cells can start to become like skin cells, with a key pathway influencing this change.
March 2026 in “Biomolecules” MicroRNAs play a key role in controlling hair growth and quality in sheep and goats.
September 2025 in “Digital Commons - RU (Rockefeller University)” FOXC1 is essential for keeping hair follicle stem cells inactive and maintaining their environment for healthy hair growth.
April 2017 in “Journal of Investigative Dermatology” Blocking JAK-STAT5 signaling in mice leads to hair growth.
263 citations
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February 2011 in “Journal of Controlled Release” Medium-sized particles penetrate hair follicles better than smaller or larger ones, which could improve delivery of skin treatments.
211 citations
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June 2012 The skin is a complex barrier for drug penetration, but understanding its structure and interactions can improve drug delivery methods.
156 citations
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August 2016 in “Journal of controlled release” Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.
42 citations
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July 2015 in “Cosmetics” Nanotechnology improves hair care products by enhancing ingredient stability, targeting treatment, and reducing side effects, but more research on its toxicity is needed.
40 citations
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January 2018 in “Pharmaceutics” Eucalyptol and oleic acid in nanoemulsions improve minoxidil delivery to hair follicles, potentially enhancing hair loss treatment.
39 citations
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November 2016 in “Pharmaceutics” The hair follicle pathway significantly affects how easily water-loving chemicals pass through the skin.
35 citations
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June 2017 in “Pharmaceutical research” Researchers developed a model that shows hair follicles increase skin absorption of caffeine by 20%.
35 citations
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October 2015 in “International Journal of Pharmaceutics” Tiny particles carrying roxithromycin can effectively target and deliver the drug to hair follicles without irritation.
31 citations
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September 2014 in “Journal of Pharmaceutical Sciences” Using a special laser can improve how well hair loss treatments get into the skin and hair follicles.
27 citations
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August 2018 in “Therapeutic Delivery” Nanotechnology could make hair loss treatments more effective and reduce side effects, but more research is needed before it's available.
25 citations
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December 2013 in “Journal of Investigative Dermatology Symposium Proceedings” New methods like nanoparticles and microneedles show promise for better skin drug delivery, especially for hair disorders.
19 citations
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December 2013 in “European journal of pharmaceutics and biopharmaceutics” Encapsulated Garcinia mangostana extract in cream penetrates skin better than other forms.
15 citations
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October 2020 in “European journal of pharmaceutics and biopharmaceutics” Caffeine penetrates skin quickly through open hair follicles, but less through closed ones, with levels becoming equal after 22 hours.
14 citations
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August 2021 in “Journal of Pharmaceutical Sciences” Cholesterol- and phospholipid-free niosomes improve deep skin drug delivery.
8 citations
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June 2019 in “Pharmaceutical research” Applying heat with certain chemicals can greatly improve how well isotretinoin gets into the skin through hair follicles.
6 citations
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December 2015 in “International journal of nanomedicine” Using sonophoresis can make it harder for certain drug-loaded liposomes to get through the skin.
4 citations
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July 2023 in “Pharmaceutics (Basel)” Nanoparticle-based drug delivery to hair follicles is more effective when tested under conditions that match skin behavior.
3 citations
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January 2022 in “Pharmaceutics” Nanostructured delivery systems could potentially improve hair loss treatment by targeting drugs to hair follicles, reducing side effects and dosage, but the best size, charge, and materials for these systems need further investigation.
3 citations
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April 2015 in “International research journal of pharmacy” Gentamicin penetrates pig skin better through open hair follicles than blocked ones.
February 2024 in “International Journal of Molecular Sciences” Hair loss in Androgenetic Alopecia is caused by genetics, aging, and lifestyle, leading to hair follicle shrinkage and related health risks.
Proretinal nanoparticles are a safe and effective way to deliver retinal to the skin.