September 2023 in “Biomedical Optics Express” New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
April 2017 in “Journal of dermatological science” Researchers created a cell model to study hair growth and test hair-growth drugs.
13 citations
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January 2002 in “Clinics in dermatology” A mushroom extract might reduce hair loss and liver damage caused by certain chemotherapy drugs in animals.
1 citations
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February 2018 in “Plastic and Aesthetic Research” The KD spreader makes hair transplants safer and easier, especially for beginners, by reducing damage to hair follicles.
8 citations
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March 2001 in “PubMed” A man developed recurring scalp inflammation and hair loss after a head injury.
39 citations
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March 2009 in “Archives of Dermatological Research” Apigenin may help promote hair growth and could treat hair loss.
February 2024 in “Journal of Dermatological Science” Curved hair can develop when hair cells merge abnormally during growth.
71 citations
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December 1987 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Hair analysis is not a precise way to measure livestock's mineral status but can help when used with other methods.
53 citations
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July 2002 in “Journal of Investigative Dermatology” The Dfl mutation in mice causes poor sebaceous gland function and complete hair loss.
29 citations
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July 2015 in “Journal of Medical Genetics” A genetic variant in the KRT25 gene causes tightly curled hair.
27 citations
,
September 1988 in “PubMed” Hair follicle shape determines hair type: curly, straight, or in-between.
26 citations
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October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.
15 citations
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June 2015 in “PLoS ONE” Thymosin beta-4 promotes hair growth in mice.
13 citations
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June 2020 in “International Journal of Molecular Sciences” HNG helps hair grow by keeping hair in the growth phase longer.
12 citations
,
May 2014 in “International Journal of Molecular Medicine” Chrysanthemum zawadskii extract helps hair grow by stimulating hair cells.
11 citations
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January 2019 in “Dermatologic Surgery” Hair follicle transplants help heal wounds, but scar quality and hair growth vary by location.
10 citations
,
January 2000 in “Journal Of Cutaneous Laser Therapy” Laser hair removal might also work by damaging blood vessels around hair follicles.
9 citations
,
January 2021 in “Biomolecules” Infrared spectral imaging can map hair growth proteins and sugars without staining.
5 citations
,
July 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A man grew hair on his penis, which is not common, and needed surgery to remove it.
4 citations
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January 2012 in “Springer eBooks” The document concludes that signs of male and female pattern baldness include uneven hair thickness, yellow spots, skin discoloration around hair follicles, more thin and soft hairs, and many hair follicles with just one hair.
February 2026 in “International Journal of Molecular Sciences” Muscarinic acetylcholine receptors in skin cells help regulate and promote hair growth.
December 2025 in “Preprints.org” Milk-derived exosomes may help treat hair loss by boosting hair cell growth and signaling.
November 2025 in “Pharmacological Research - Natural Products” Kesh Kanti Expert Oil promotes hair growth and protects hair health.
August 2025 in “South African Journal of Botany” Formulation B of the herbal hair oil promotes hair growth better than standard treatments and is safe for use.
June 2025 in “Molecular Therapy — Nucleic Acids” A new treatment using a DNA aptamer can promote hair growth by targeting a specific receptor.
July 2024 in “Journal of Investigative Dermatology” JW0061 may be a new treatment for hair loss by promoting hair growth through WNT signaling.
Transplanted rat hair follicles grew hair and had increased but not fully restored nerve connections in mice.
August 2023 in “Clinical, Cosmetic and Investigational Dermatology” The new hair transplant device reduces damage to hair follicles and makes surgery more comfortable for the surgeon.
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
March 2020 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” The dermal sheath's contraction is crucial for hair follicle regression and stem cell relocation.