January 2015 in “Springer eBooks” Fat-derived stem cells and their secretions show promise for treating skin aging and hair loss.
March 2014 in “Medicina cutánea ibero-latino-americana” Melatonin applied to the scalp helps increase hair density in people with early hair loss.
Melatonin applied to the scalp helps treat early-stage hair loss in men and women.
March 2013 in “Journal für Kardiologie (Krause & Pachernegg GmbH)” Hormones significantly affect hair growth and loss, with potential for new treatments.
224 citations
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March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
20 citations
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March 2023 in “American Journal of Clinical Dermatology” Baricitinib improved severe hair loss in adults over 52 weeks and was safe to use.
September 2025 in “SKIN The Journal of Cutaneous Medicine” Isotretinoin can cause hair loss, and reducing the dose or using supplements like vitamin D and iron may help.
June 2025 in “Universal library of medical and health sciences.” External factors like pollution, stress, and poor nutrition can negatively affect hair growth.
6 citations
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January 2009 in “Elsevier eBooks” The skin has multiple layers and cells, serves as a protective barrier, helps regulate temperature, enables sensation, affects appearance, and is involved in vitamin D synthesis.
January 2007 in “Elsevier eBooks” Alopecia areata is a reversible, autoimmune-related hair loss that can have significant emotional impact and uncertain treatment effectiveness.
110 citations
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August 2011 in “Journal of Visualized Experiments” 3D skin models better mimic human skin and melanoma progression than older methods.
3 citations
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November 2023 in “Journal of Investigative Dermatology” Over 45% of patients with alopecia areata benefit from ritlecitinib, mostly within a year.
139 citations
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December 2021 in “Journal of Clinical Medicine” Fatigue is the most common symptom in both ongoing symptomatic COVID-19 and post-COVID-19 syndrome.
1 citations
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June 2021 in “Singapore Medical Journal” Dutasteride and finasteride can help increase hair growth gene expression but need further improvement.
3 citations
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December 2021 in “Frontiers in Pharmacology” Ficus benghalensis leaf extracts can effectively promote hair growth and inhibit hair loss.
1 citations
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February 2005 in “OakTrust (Texas A&M University Libraries)” Diet B improved dogs' skin and hair condition.
75 citations
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April 2000 in “Developmental Dynamics” Whn is essential for hair growth, and its malfunction causes hair loss.
28 citations
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December 1997 in “Journal of Biological Chemistry” A genetic mutation in the hHa1 gene creates a smaller, but still functional, hair protein without causing hair problems.
19 citations
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February 1998 in “Cellular Immunology” Hair growth phase in mice weakens certain immune responses.
February 2026 in “Journal of Cosmetic Dermatology” SEREVELLE safely and effectively promotes hair growth in adults with thinning hair.
February 2025 in “Biomolecules” RORA boosts autophagy in hair follicle stem cells, potentially aiding hair growth.
May 2019 in “Journal of Drug Delivery and Therapeutics” The extract from Hemidesmus indicus seeds significantly promotes hair growth, similar to minoxidil.
235 citations
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July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
178 citations
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April 2011 in “Journal of Clinical Investigation” Basal cell carcinomas in mice can start from hair follicle stem cells and other skin cell types, depending on signaling levels.
146 citations
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January 2004 in “Hormones” Human skin acts like a hormone-producing organ, making and managing various hormones important for skin and hair health.
140 citations
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February 2014 in “Neuron” Delta opioid receptors help regulate touch sensation by reducing neurotransmitter release in the spinal cord.
98 citations
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December 2015 in “The Journal of Cell Biology” Keratin is crucial for skin barrier formation and affects mitochondrial function.
72 citations
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January 2012 in “Annals of Dermatology” IGF-I promotes hair growth by keeping hair follicles in the growth phase longer.
67 citations
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August 2005 in “Journal of Investigative Dermatology Symposium Proceedings” Androgens promote beard growth but cause hair loss in androgenetic alopecia, with TGF-β1 as a potential treatment target.
61 citations
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January 2011 in “PloS one” Notch signaling is essential for healthy skin and hair follicle maintenance.