November 2025 in “International Journal of Innovative Research in Technology” Hormones significantly affect hair growth and loss, requiring personalized treatment.
16 citations
,
June 2017 in “PLoS ONE” A 6-group hair classification is more reliable for drug testing than an 8-group system.
April 2026 in “European Journal of Medical and Health Research” Women with hair loss had lower IGF-1 levels.
January 2026 in “Ankara Medical Journal” Pregnancy-related stress may cause hair loss in women in their third trimester.
Stress significantly contributes to hair loss, especially in women and those aged 31-40.
October 2023 in “Scientific reports” Dexamethasone affects hair growth by altering levels of proteins that either promote or inhibit hair follicle growth.
3 citations
,
March 2021 in “Metabolites” Hair loss causes differ between men and women due to changes in hormone levels and inflammation-related pathways.
218 citations
,
January 2013 in “The Lancet Oncology” Chemotherapy causes hair loss by damaging hair follicles and stem cells, with more research needed for prevention and treatment.
130 citations
,
August 2015 in “Experimental Dermatology” Human hair follicle organ culture is a useful model for hair research with potential for studying hair biology and testing treatments.
86 citations
,
June 2017 in “Stem cell investigation” Stem cells from hair follicles can safely treat hair loss.
42 citations
,
March 2018 in “PLOS Biology” Autophagy is important for human hair growth and health.
25 citations
,
February 2014 in “British journal of dermatology/British journal of dermatology, Supplement” Intralesional triamcinolone acetonide can regrow hair in alopecia areata but often has temporary effects and side effects.
15 citations
,
October 2017 in “Dermatologic Clinics” New treatments for male hair loss show promise but need more research for safety and effectiveness.
12 citations
,
January 2019 in “Sleep medicine” Night shift work disrupts the body's natural clock genes.
9 citations
,
July 2018 in “European journal of dermatology/EJD. European journal of dermatology” Disrupted sleep patterns can harm skin and hair cell renewal, but melatonin might help.
1 citations
,
July 2005 in “Informa Healthcare eBooks” Hair follicles could be used for targeted drug delivery, with liposomal systems showing promise for this method.
January 2026 in “Dermatology and Therapy” Poor sleep may lead to hair loss, and hair loss may affect sleep.
October 2023 in “Clinical medicine and medical research” Thyroid function may influence hair loss after COVID-19.
September 2023 in “International journal of Unani and integrative medicine” Hair loss patterns are linked to temperament and can help diagnose it.
January 2016 in “Research Explorer (The University of Manchester)” Activating the Eda/Edar pathway improves wound healing by enhancing hair follicle growth.
21 citations
,
October 2011 in “PloS one” Certain molecules in hair change with age and could be used for cosmetic treatments.
3 citations
,
February 2019 in “Journal of Cosmetic Dermatology” The effects of estrogen on human scalp hair growth are unclear and need more research.
December 2024 in “Biomedical & Pharmacology Journal” Hair Tonic A, with white tea extract, is better for improving hair health.
November 2021 in “Egyptian Journal of Medical Microbiology” COVID-19 protective measures led to skin irritation, hair loss, and brittle nails; using skin-friendly products and a healthy diet is recommended.
2 citations
,
August 2020 in “Natural Product Communications” A mix of Platycladus orientalis leaf extract and alpha-terpineol helps mice grow hair by increasing growth factors and cell growth.
April 2025 in “Journal of the Faculty of Medicine Baghdad” Alopecia areata patients may have higher T3 and cortisol levels, suggesting a hormonal link.
224 citations
,
March 2006 in “Seminars in Cutaneous Medicine and Surgery” The document concludes that understanding hair follicle biology can lead to better hair loss treatments.
209 citations
,
September 2008 in “Dermatologic Therapy” Androgens can both increase and decrease hair growth in different parts of the body.
182 citations
,
December 2007 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Hair follicles significantly increase the speed and amount of caffeine absorbed through the skin.
166 citations
,
August 2010 in “Proceedings of the National Academy of Sciences of the United States of America” Scientists found a new, less invasive way to study body clocks using hair cells, which shows shift workers' body clocks don't match their lifestyles.