305 citations
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December 2000 in “The EMBO Journal” Inhibiting Bmp signaling disrupts hair growth and differentiation.
84 citations
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April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
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.
17 citations
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March 2012 in “Journal of biological chemistry/The Journal of biological chemistry” Hairless protein affects hair follicle structure by regulating the Dlx3 gene.
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.
11 citations
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February 2019 in “Journal of Cosmetic Dermatology” Low zinc and biotin levels linked to male hair loss; supplements may help.
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 2020 in “Skin appendage disorders” Toxic metals can cause hair loss and should be considered by doctors.
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.
July 2025 in “International Journal of Dermatology Venereology and Leprosy Sciences” Examining Survivin levels may help understand premature greying of hair.
June 2023 in “International journal of molecular sciences” Heat stress changes goats' skin and hair at the microscopic level and affects their genes and skin bacteria.
January 2022 in “Dermatology Review” Higher IL-31 levels are linked to worse itching in chronic kidney disease patients.
November 2019 in “BMC veterinary research” The hair loss in Belgian Blue crossbred calves was caused by a diet issue, not by disease or infection.
196 citations
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May 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Sebocytes play a key role in controlling androgen levels in human skin.
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.
6 citations
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September 2019 in “Journal of cosmetic dermatology” Lower melatonin levels are linked to more skin aging.
2 citations
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September 2016 in “Journal of skin and stem cell” Acne is strongly linked to high BMI, hair loss, menstrual issues, family history, and eating too many sweets and fatty foods, but not to excessive hair growth.
December 2021 in “Benha Journal of Applied Sciences” Higher Claudin 3 levels in the blood are linked to more severe alopecia areata.
January 2017 in “Journal of clinical & experimental dermatology research” Low ferritin levels might be linked to telogen effluvium, but vitamin D levels are not.
239 citations
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July 2002 in “Clinical and Experimental Dermatology” Low iron and L-lysine levels can cause hair loss in women, and increasing these nutrients can reduce hair shedding.
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.
59 citations
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February 2012 in “Journal of Dermatological Science” Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.
15 citations
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January 1971 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Hair analysis can't determine ponies' calcium and phosphorus levels; use soil and feed tests instead.
15 citations
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October 1970 in “Archives of disease in childhood” Hair amino acid levels can indicate metabolic disorders.
7 citations
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March 2017 in “Experimental and Therapeutic Medicine” Hair follicle cells can help keep embryonic stem cells undifferentiated.
6 citations
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July 2018 in “Advances in Clinical and Experimental Medicine” Different body parts have varying levels of certain hair follicle markers.
6 citations
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June 2011 in “British Journal of Dermatology” People with alopecia areata have higher levels of RBP4 protein and antibodies against it.
3 citations
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January 2021 in “FEBS open bio” Camellia japonica extract may improve scalp health and promote hair growth.