Trichohyalin, a protein from pig tongue, was purified and found to have a filamentous structure.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
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July 1994 in “Journal of Investigative Dermatology” 252 citations
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January 1991 in “Electron Microscopy Reviews” 45 citations
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January 1977 in “Advances in experimental medicine and biology” Hair follicles have an enzyme that converts arginine to citrulline in proteins.
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January 2019 in “Annals of Dermatology” Bilobetin may help reduce acne by decreasing sebum production.
22 citations
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January 1990
May 2012 in “F1000Research” Proteins released by cells can promote hair growth in people.
April 2023 in “Journal of Investigative Dermatology”
July 2022 in “Media Dermato Venereologica Indonesiana” The combination of PRP and triamcinolone injections improved hair growth in a man with alopecia areata.
3 citations
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April 2012 in “Bioinformation” Two specific SNPs in the TRPS1 gene cause excessive hair growth by altering the protein's structure.
11 citations
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January 2016 in “International Journal of Biological Macromolecules” Enzymatic phosphorylation of hair keratin improves the effectiveness of hair products with cationic ingredients.
September 2023 in “Journal of microbiology and biotechnology” A type of collagen helps hair grow by boosting cell growth and activating a specific hair growth pathway.
51 citations
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September 2012 in “Biomacromolecules” Disulfide bonds make keratin in hair stronger and tougher.
July 2024 in “Journal of Investigative Dermatology” ATR12-351 ointment safely delivers LEKTI protein to the skin, reducing enzyme activity in Netherton syndrome.
10 citations
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October 2021 in “Animal nutrition” Vitamin B6 helps increase hair growth and density in rabbits by affecting certain cell signaling pathways.
40 citations
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May 2005 in “Journal of Cell Science” Truncated LTBP-1 disrupts TGF-β signaling, affecting hair growth.
November 2025 in “The Journal of Immunology” BTNL2 helps protect hair follicles from immune attacks, which could aid in treating alopecia areata.
16 citations
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November 2023 in “Scientific Reports” The niosomes effectively target hair follicles for acne treatment.
YH0618 helps reduce chemotherapy-induced hair loss by targeting specific proteins and pathways.
29 citations
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August 2011 in “PubMed” Hair and nail proteins, mainly keratins, are crucial for structure and can indicate health issues.
July 2024 in “Journal of Investigative Dermatology” Modulating the BTNL2 pathway can prevent hair loss in mice.
May 2025 in “International Journal of Trichology” The supplement improved hair health and reduced shedding in people with telogen effluvium.
GHK-Cu and propolis may help prevent scalp aging and hair loss.
24 citations
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October 2019 in “Genes” A new sheep gene, KRTAP36-1, may help breed sheep with better wool by reducing prickle factor.
4 citations
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January 1986 in “PubMed” Serum biotin levels can indicate biotin deficiency in sows.
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November 2020 in “Journal of Cosmetic Dermatology” The ingredients may help prevent hair loss and aging by boosting hair growth signals and reducing stress and hormone effects.
September 2025 in “Indian Journal of Psychiatry” Valproic acid treatment may cause hair loss due to reduced biotinidase activity.