29 citations
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July 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The enzymes Aldh1a2 and Aldh1a3 are involved in making retinoic acid in hair follicles and have different roles in hair growth.
7 citations
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January 2022 in “Molecules” Tectoridin helps human hair cells grow and makes mouse hair longer, suggesting it could treat hair loss.
Treatment improved symptoms in a woman with HAIR-AN syndrome.
2 citations
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January 1990 76 citations
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October 2011 in “Clinica Chimica Acta” Hot water and UV exposure reduce hair cortisol levels, with the back of the head showing the most consistent levels.
42 citations
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July 2007 in “Journal of Biological Chemistry” Most Hairless gene mutations reduce its ability to work with the Vitamin D Receptor, which might explain a certain type of hair loss.
14 citations
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July 2007 in “International Journal of Cosmetic Science” The new 3D imaging method accurately measures hair surface details quickly.
1 citations
,
March 2009 in “Hair transplant forum international” The TrichoScan method effectively measures hair growth and helps choose patients for hair restoration surgery.
1 citations
,
December 2024 in “Methods in molecular biology” Hair proteins are complex and provide valuable genetic and biological information.
21 citations
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January 2016 in “NeuroImmunoModulation” Hair cortisol levels can indicate stress over the past three months.
October 2023 in “arXiv (Cornell University)” Human hair keratins might be good for filtering out harmful substances like diclofenac and PFBS from water.
22 citations
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February 2002 in “European Neuropsychopharmacology” Hair analysis for drugs in psychosis patients is unreliable due to varying hair growth rates.
March 2016 in “Journal of the Turkish-German Gynecological Association” The woman likely has a hormonal imbalance causing excessive hair growth.
February 1985 in “PubMed”
Hair and nails can show hormone changes during puberty in dogs.
5 citations
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October 2021 in “Frontiers in Cell and Developmental Biology” Fat tissue under the skin affects hair growth and aging; reducing its inflammation may help treat hair loss.
3 citations
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March 2022 in “Polymers” Substances from Ascidian tunics might help treat hair loss as effectively as Minoxidil.
July 2025 in “JAAD Case Reports”
April 2016 in “Journal of Investigative Dermatology” Wnt ligands, produced by dermal papilla cells, are essential for adult hair growth and regeneration.
13 citations
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April 1997 in “Biochemical and Biophysical Research Communications” Insulin-dependent diabetes alters hair's molecular structure, making it useful for studying diabetes effects.
April 2018 in “Journal of Investigative Dermatology” DNMT3A is crucial for healthy skin and hair growth.
April 2017 in “Journal of Investigative Dermatology” Hair loss patterns differ between males and females due to 5 master regulators and JAK-STAT signaling affects hair growth.
1 citations
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May 2025 in “International Journal of Dermatology”
25 citations
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January 2006 in “British Journal of Dermatology” Finasteride lowers scalp and blood DHT levels, potentially treating male-pattern baldness.
Copper levels in green hair decreased significantly after treatment.
1 citations
,
December 2022 in “Clinical, cosmetic and investigational dermatology” Arab hair is generally thicker but less dense compared to other ethnicities, affecting hair disorder diagnosis and treatment.
2 citations
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
July 2024 in “Journal of Investigative Dermatology” Skin hormone levels change significantly after menopause.
2 citations
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January 2022 in “Clinical, Cosmetic and Investigational Dermatology” The refined wash test is a reliable way to measure daily hair loss and can tell the difference between different types of hair loss.
December 2025 in “American Journal of Dermatopathology” Keratin 19 may help diagnose and treat certain types of permanent hair loss.