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September 1982 in “Biochemical Pharmacology” Liver enzyme helps minoxidil work better for blood vessel relaxation.
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August 2007 in “Experimental Dermatology” Human hair follicles can make and process prostaglandins, which may affect hair growth.
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July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
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November 2013 in “Experimental Dermatology” Leptin, a hormone, is important for starting hair growth.
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January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
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February 2014 in “Journal of dermatological science” Placental growth factor may help treat hair loss.
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February 2012 in “PLoS ONE” A PKP1 gene mutation causes skin fragility and hair loss in Chesapeake Bay retriever puppies.
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June 2004 in “Journal of Investigative Dermatology” Macrophage-stimulating protein helps hair grow and can start hair growth phase in mice and human hair samples.
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July 2019 in “PLOS ONE” Skin lymphatic vessels are essential for hair growth.
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October 2017 in “The FASEB Journal” Male hormones cause different growth in identical human hair follicles due to their unique epigenetic characteristics.
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January 2016 in “Biological & Pharmaceutical Bulletin” Sargassum muticum extract and its component apo-9'-fucoxanthinone may help hair growth and treat hair loss.
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May 2012 in “The journal of investigative dermatology/Journal of investigative dermatology” The type 3 IP3 receptor is important for controlling hair loss and growth.
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August 2012 in “Archives of Pharmacal Research” Acankoreoside J from Acanthopanax koreanum may help promote hair growth.
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April 2007 in “Kidney international” Vitamin D boosts a specific gene activity in kidney cells that could improve heart and kidney function.
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December 2001 in “Journal of Investigative Dermatology” The osteopontin gene is active in a specific part of rat hair follicles during a certain hair growth phase and might affect hair cycle and diseases.
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July 1999 in “Dermatologic Clinics” The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.
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September 2018 in “International Journal of Molecular Sciences” Mackerel-derived fermented fish oil helps hair grow by activating growth pathways and increasing cell proliferation.
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April 2020 in “Life sciences” Pantothenic acid helps mink hair follicles grow by affecting certain cell signals.
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August 2022 in “Archives animal breeding/Archiv für Tierzucht” Certain genetic changes in the KAP22-1 gene are linked to better wool quality in Egyptian sheep.
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July 2020 in “International Journal of Molecular Sciences” SCDSFs from zebrafish embryos are beneficial for treating cancer, regenerating tissues, and improving conditions like psoriasis and alopecia.
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December 2014 Low biotin intake during pregnancy can affect biotin transport in mothers and fetuses.
October 2025 in “Frontiers in Veterinary Science” Quercetin boosts hair follicle stem cell growth and survival in cashmere goats.
January 2012 in “Durham e-Theses (Durham University)” Keratin 15 affects cell behavior and characteristics in skin cells.
January 1995 in “Adolescent and pediatric gynecology” Mutations in the androgen receptor gene cause different levels of androgen insensitivity, making it hard to create simple tests for the condition.
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November 1997 in “Planta” Calcium affects where root hairs grow, but other unknown factors determine their growth direction.
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January 2007 in “Journal of Korean Medical Science” Minoxidil and ATRA together boost hair growth more effectively than minoxidil alone.
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September 1999 in “Journal of Investigative Dermatology” Human skin cells contain Protease Nexin-1, and male hormones can decrease its levels, potentially affecting hair growth.
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March 2002 in “The journal of investigative dermatology/Journal of investigative dermatology” Estrogen increases blood vessel growth factor production, while testosterone blocks this increase.
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January 2018 in “Biochemical and Biophysical Research Communications” Researchers created five new human scalp cell lines that could be useful for hair growth and loss research.
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July 2016 in “BMC Complementary and Alternative Medicine” Hominis Placenta helps hair grow back by increasing cell growth and a specific growth factor.