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August 2017 in “PloS one” Key genes linked to hair growth and cancer were identified in hairless mice.
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January 2017 Hair movement can indicate hair quality and health.
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January 1994 in “Micron” Mature hair surfaces are formed by keratinized cells with developed layers, not just modified plasma membranes.
June 2023 in “Journal of Pharmaceutical and Health Research” Caffeine hair tonic with 0.001% concentration was more effective in promoting hair growth on guinea pigs.
August 2016 in “Journal of Investigative Dermatology” Human hair follicles have a scent receptor that can influence hair growth.
86 citations
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October 2013 in “Dermatologic Clinics” Trichoscopy is a useful non-invasive method for diagnosing different hair loss conditions.
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March 2022 in “Polymers” Substances from Ascidian tunics might help treat hair loss as effectively as Minoxidil.
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January 1980 in “Dermatology” Hair casts may be caused by repetitive hair pulling or styling and are often misdiagnosed.
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July 2008 in “Oncology Reports” HPV16-transformed cells can change human skin cell properties, aiding tumor growth.
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September 1996 in “Differentiation” The upper dermal sheath can regenerate hair in rats.
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June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
1 citations
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July 2023 in “Cosmetics” The new shampoo effectively delivers caffeine to hair follicles to help keep hair, especially as people age.
September 2023 in “Cells tissues organs” Mice skin matures by day 200, leading to aging signs like curved hair follicles and white hairs due to changes in skin stem cells.
19 citations
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May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
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January 2007 Citrullus colocynthis extracts may promote hair growth as effectively as minoxidil.
3 citations
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July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
June 2023 in “The Journal of Family Practice” The hair loss is likely due to a fade haircut.
17 citations
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August 1979 in “Journal of The American Academy of Dermatology” A new staining method helps tell growing from resting hairs to diagnose hair loss.
2 citations
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December 2023 in “International Journal of Dermatology” A unique type of hair loss mimics another condition but has minimal inflammation and specific immune cells present.
July 2025 in “Communications Biology” Rat vibrissae structure relates to their sensory function.
124 citations
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April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
August 2013 in “International Wound Journal” Non-hairy skin cells might be used to regenerate hair, helping with baldness and skin wounds.
42 citations
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June 2019 in “Aging” 3,4,5-tri-O-caffeoylquinic acid promotes hair growth by activating the β-catenin pathway.
A runner developed tangled armpit hairs from shirt friction, preventable by shaving or wearing smooth shirts.
59 citations
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September 2008 in “Experimental dermatology” Both mouse and rat models are effective for testing alopecia areata treatments.
13 citations
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January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
236 citations
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January 1951 in “Physiological zoology” Hair growth and pigmentation in mice involve specific stages crucial for research.
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April 1988 in “Archives of Dermatological Research” 41 citations
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January 2001 in “Journal of Investigative Dermatology” September 2017 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” CCCA and lichen planopilaris have similar histological features, making them hard to distinguish.