Hair test results can be misleading due to external contamination, so they shouldn't be used alone to assess long-term drug use.
January 2007 in “Dermatologic Surgery” A new scalp surgery technique leads to significantly thinner scars.
June 2006 in “Annales de Dermatologie et de Vénéréologie” Tranexamic acid effectively reduced swelling episodes in a girl with a rare form of hereditary angioneurotic edema.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” DKK2 and SOSTDC1 together are necessary for the normal timing of the first regression phase in the hair growth cycle.
138 citations
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November 1974 in “Biological reviews/Biological reviews of the Cambridge Philosophical Society” Males and females differ in lifespan, growth, organ size, metabolism, and brain structure, with females generally living longer and maturing earlier.
208 citations
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December 2003 in “Journal of Investigative Dermatology” Certain cells from hair follicles can create new hair and contribute to hair growth when implanted in mice.
July 2021 in “Clinical Medicine” The authors agree they didn't follow the original criteria strictly but found the Ottawa rule effective in all tested patients and suggest it might have wider use.
March 2007 in “Journal of Plastic Reconstructive & Aesthetic Surgery” A new method was developed to create better skin models for healing and reconstruction.
2 citations
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November 2023 in “Skin Appendage Disorders” Lipedematous scalp may have a genetic link and could be associated with psychiatric conditions.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth cycles need varied signals in space and time.
April 2021 in “Elsevier eBooks” The document's conclusion cannot be provided because the document is not accessible or understandable.
87 citations
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February 2000 in “Journal of Investigative Dermatology” Stem cells in developing hair follicles move to specific areas as they mature.
20 citations
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February 2016 in “American Journal of Pathology” The genes OVOL1 and OVOL2 are important for hair growth and may be involved in a type of skin tumor.
28 citations
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November 2018 in “Journal of structural biology” Different populations have distinct hair structures related to their ancestry.
7 citations
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November 2010 in “Genesis” Mouse Scube3 affects teeth, tongue, vibrissae, and eye development, but not facial structure or limb growth.
November 2025 in “Journal of Investigative Dermatology” Skin-associated cartilage cells can influence hair growth by altering specific signaling pathways.
4 citations
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November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.
3 citations
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July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
2 citations
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April 2019 in “Experimental Dermatology” Hair follicles respond differently to pulling forces in various regions.
April 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” Exosomes from small-tailed Han sheep can boost hair growth and thickness in mice.
April 2019 in “Journal of Investigative Dermatology” Calcium signals and SHH guide the direction of feather growth in chicken skin.
November 2024 in “The Journal of Cell Biology” Basement membrane changes are crucial for hair follicle development.
26 citations
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June 2000 in “Journal of The American Academy of Dermatology” Men with balding at age 45 had higher IGF-1 and lower IGFBP-3, suggesting these factors might be important in male pattern baldness.
1 citations
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May 2022 in “Голова и шея.” Nasal septum injury in rats changes behavior and affects the nervous system.
June 2024 in “Nature Cell and Science” The Scalp Coverage Scoring method reliably measures hair density from images.
5 citations
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October 2018 in “Burns” Most patients who had scalp skin removed for burns as children had normal hair growth and were satisfied years later.
January 2026 in “Communications Biology” Yak hair follicles adapt to cold through specific gene regulation, enhancing cell growth.
August 2023 in “Journal of Investigative Dermatology” Skin organoids can regenerate hair by forming specific cell units with certain signals.
3 citations
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April 2016 in “Dermatologic Surgery” A man's forehead and eyebrow were successfully reconstructed with a skin and hair graft that matched his other eyebrow, without needing frequent trimming.
September 2022 in “Institutional Repositories DataBase (IRDB)” 3D-oxy exosomes may significantly boost hair growth, offering new treatment options for hair loss.