55 citations
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March 2010 in “Aging” Circadian clock genes are important for hair growth and may affect aging-related hair loss and graying.
31 citations
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August 2000 in “Journal of Investigative Dermatology” Stem cells are key for hair follicle recovery.
August 2025 in “Biomolecules” Fibroblast growth factors could be a better, safer treatment for hair loss than current options.
Lack of Fgf21 slows hair growth by affecting gene interactions.
February 2026 in “International Journal of Molecular Sciences” Silencing SFRP1 alone promotes hair growth, but adding DKK1 does not help.
7 citations
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June 2015 in “European Journal of Plastic Surgery” PRGF treatment safely and effectively helps hair loss.
January 2022 in “Tissue & Cell” Using both platelet-rich plasma and minoxidil together gives the best results for hair growth in male rats with hair loss.
42 citations
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July 2012 in “PLOS ONE” Estrogen can temporarily slow down hair growth but this can be reversed.
April 2017 in “Journal of Dermatological Science” Asymmetric hair follicle differentiation causes the unique shape of kinky hair.
42 citations
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December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.
136 citations
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July 2014 in “Proceedings of the National Academy of Sciences of the United States of America” FGF5 gene mutations cause unusually long eyelashes by affecting hair growth regulation.
1 citations
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January 2020 in “PubMed” Azelaic acid helps protect hair cells from UV damage and encourages hair growth by increasing certain gene expressions and proteins.
8 citations
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July 2014 in “Anais Brasileiros de Dermatologia” A man's scalp condition was misidentified as hair loss dots but was actually a common follicular disorder.
September 2014 in “Springer eBooks” Aging causes hair to gray and thin, with the timing of graying varying by race, and factors like oxidative stress and genetics can lead to hair loss.
89 citations
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March 2018 in “The Journal of Dermatology” Trichoscopy helps diagnose and monitor alopecia areata by looking at a combination of specific hair and scalp features.
9 citations
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September 2016 in “Dermatologic Surgery” New LPP subtype affects vellus hairs, mimics AGA, and needs biopsy for diagnosis.
1 citations
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July 2005 in “Drugs and the pharmaceutical sciences” Targeting drugs to hair follicles can treat skin conditions, but reaching deep follicle areas is hard and needs more research.
18 citations
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March 2016 in “Cosmetics” Telogen Effluvium is a condition causing excessive hair loss due to stress, illness, drugs, or hormonal changes, and can be treated with specific products or naturally resolves after 3-4 years.
July 2019 in “Journal of Investigative Dermatology” The research found that male pattern hair loss is mostly genetic and involves hair thinning due to hormonal effects and changes in gene expression.
November 2015 in “Hair transplant forum international” Early attempts at using cloned cells for hair transplants failed, but 3D cell growth showed some promise.
143 citations
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January 2004 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia areata is an autoimmune disease causing hair loss, treatable with immune-modulating drugs, and linked to genetics.
February 2026 in “Journal of the American Academy of Dermatology” Ophiasis mainly affects females, lasts longer, and has lower regrowth rates, with a new classification system helping predict treatment response.
January 2023 in “Skin appendage disorders” A woman's hair grew back after treatment for a rare hair loss caused by proton therapy.
October 2025 in “Gene Expression” Exosome therapy could be a promising new way to treat hair loss.
2 citations
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January 2023 in “BioMed Research International” Beetroot extract nanogel may help treat hair loss caused by testosterone.
January 2024 in “Skin appendage disorders” Using growth factors and microneedling shows promise for hair regrowth in Alopecia Areata, but more research is needed.
January 2025 in “Arquivo Brasileiro de Medicina Veterinária e Zootecnia” Agoutis in captivity have more resting (telogen) hairs than growing (anagen) hairs, regardless of season or gender.
August 2024 in “Nutrients” Probiotics help reduce hair loss and increase hair growth in people with androgenic alopecia.
October 2025 in “Annals of Medicine and Surgery” Retinoids may improve hair growth in androgenic alopecia when used with other treatments.
January 2024 in “International Journal of Trichology” Hair root dermoscopy is a simple, noninvasive tool to diagnose telogen effluvium.