305 citations
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December 2000 in “The EMBO Journal” Inhibiting Bmp signaling disrupts hair growth and differentiation.
64 citations
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March 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” GPRC5D is linked to the formation of hair, nails, and certain tongue areas.
36 citations
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December 2021 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Two drugs, ritlecitinib and brepocitinib, improved scalp hair loss condition markers.
32 citations
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January 2020 in “Journal of Molecular Histology” K31 can identify clear secretory cells in human sweat glands.
19 citations
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May 2008 in “Applied spectroscopy” Human hair has different protein structures in its cuticle and cortex.
14 citations
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September 2019 in “Forensic Science International Genetics” Hair keratin proteins can be reliably identified in hair as short as 0.12 cm, with 0.5 to 2 cm being the best length for analysis.
10 citations
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July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Human nails and hair follicles have similar gene activity, especially in the cells that contribute to their growth and development.
4 citations
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January 1976 in “Archives of Dermatological Research” Metabolic disorders can cause hair structure defects and growth issues, but amino acid levels in hair remain normal.
3 citations
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January 2023 in “Science advances” The enzymes Tet2 and Tet3 are important for skin cell development and hair growth.
1 citations
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August 2021 in “Frontiers in Genetics” Certain genes related to sulfur metabolism are more active during the growth phase of Cashmere goat wool, and melatonin might help this process.
Ritlecitinib helps reduce inflammation and promote hair regrowth in alopecia areata, especially in patchy-type cases.
15 citations
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October 2022 in “Allergy” Dupilumab treatment reduces Th2-related markers and helps hair growth in alopecia areata, showing Th2's role in the condition.
October 2025 in “Animals” miR-200a reduces goose fibroblast growth by targeting PITX2 in the Wnt pathway.
231 citations
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October 1999 in “Journal of Clinical Investigation” Activating the Sonic hedgehog gene in mice can start the hair growth phase.
148 citations
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September 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia areata is an autoimmune disorder causing hair loss, linked to specific hair follicle antigens and genetic factors.
3 citations
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January 2021 in “FEBS open bio” Camellia japonica extract may improve scalp health and promote hair growth.
2 citations
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June 2018 in “Cosmetics” AMPD is a better and less damaging alternative to ammonium hydroxide for hair bleaching.
42 citations
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December 2014 in “Clinical, cosmetic and investigational dermatology” Nonablative radiofrequency treatments, especially microneedle and fractional types, can improve acne scars by 25%–75% after 3-4 sessions, with full results in 3 months and some side effects.
32 citations
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February 2016 in “The American journal of dermatopathology/American journal of dermatopathology” Extramammary Paget disease can spread deeply into tissues, reaching up to 3.6 mm.
2 citations
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January 2012 in “InTech eBooks” Chemotherapy often causes hair loss, which usually grows back within 3 to 6 months, but there's no effective treatment to prevent it.
32 citations
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January 2022 in “International Journal of Molecular Sciences” Melatonin, a hormone, can help protect skin from aging by reducing stress, inflammation, and damage, and may also help treat hair loss in women.
May 2019 in “Small Animal Dermatology” The dog had sebaceous adenitis, treated with ciclosporin, leading to some hair regrowth.
4 citations
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December 2020 in “Mammalian genome” Harlequin mutant mice have hair loss due to low AIF protein levels and retroviral element activity.
29 citations
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April 2020 in “Journal of Tissue Engineering and Regenerative Medicine” The experiment showed that human skin grown in the lab started to form early hair structures when special cell clusters were added.
13 citations
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January 2017 in “Cosmetics” Different tests are used to see how hair care products affect hair, and choosing the right test is important for accurate results.
May 2026 in “Research Square” The polyG fragment in Hoxc13 protein helps evolve mammalian skin and hair by enhancing gene interactions.
15 citations
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January 2020 in “ACS Applied Materials & Interfaces” Nanofiber structure helps regenerate hair follicles.
10 citations
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September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
2 citations
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January 2020 in “Methods in molecular biology” Scientists created early-stage hair follicles from human skin cells, which could help treat baldness and study hair growth.
June 2022 in “Journal of the turkish academy of dermatology” People with plantar corns and calluses may have a higher chance of having metabolic syndrome.