October 2023 in “International Journal of Cosmetic Science” WS Biotin, a new form of D-Biotin, improves water solubility and shows potential for hair and skin care without being toxic at low levels.
1 citations
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February 2012 
September 2012 in “British Small Animal Veterinary Association eBooks” January 2007 in “British Small Animal Veterinary Association eBooks” 20 citations
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July 1998 in “Archives of dermatology” 32 citations
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November 1998 in “Journal of Biological Chemistry” Mouse and human keratin 16 can both form filaments, with differences likely due to the tail domain, not the helical domain.
August 2016 in “Journal of Investigative Dermatology” 51 citations
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January 2007 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists discovered a unique hair protein, KAP24.1, with a special structure, found only in the upper part of hair cuticles.
January 2025 in “International Journal of Pharmacology” Both steroids, especially cyproterone acetate, harm quail's vital organs.
4 citations
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January 2018 in “Microscopy research” Scientists found markers called CD34 and CD200 that help identify stem cells in mouse and human hair follicles.
3 citations
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February 2014 in “Asian Pacific journal of tropical medicine” Wnt5a may slow down hair growth in mice.
July 2024 in “Journal of Investigative Dermatology” 
Botulinum toxin type A reduces itch and inflammation from histamine and may help treat certain skin conditions and hair loss.
November 2023 in “Nature Communications” Cells lacking the Bax protein can outcompete others, leading to better tissue repair and hair growth.
November 2022 in “Journal of Investigative Dermatology” ILC1-like cells can cause alopecia areata by themselves.
October 1993 in “The Journal of Clinical Pharmacology” 
May 2022 in “Annals of Oncology” Photobiomodulation therapy may speed up hair regrowth after chemotherapy in the short term.