51 citations
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November 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” Beard cells, unlike scalp cells, produce growth factors in response to testosterone, which may explain differences in hair growth.
7 citations
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December 2016 in “Journal of The Taiwan Institute of Chemical Engineers” Pig blood plasma can be used to promote human hair growth and is a good alternative to the commonly used serum additive.
9 citations
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August 2005 in “Archives of Dermatological Research” Scalp dermal papilla and fibrous sheath cells have different MMP expression than scalp dermal fibroblasts.
124 citations
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April 1992 in “Journal of Endocrinology/Journal of endocrinology” Beard hair follicles have more androgen receptors than non-balding scalp hair follicles.
227 citations
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January 1998 in “Journal of Endocrinology” Cells from balding scalps have more androgen receptors than cells from non-balding scalps.
41 citations
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June 2006 in “Journal of Investigative Dermatology” Beard and scalp hair cells have different gene expressions, which may affect beard growth characteristics.
33 citations
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January 1997 in “Endocrinology” Testosterone can slow down hair growth when combined with certain cells from bald scalps, and this effect can be blocked by an androgen receptor blocker.
June 2020 in “Journal of Investigative Dermatology” Red clover extract-based scalp treatments significantly improved hair volume and reduced hair loss and damage.
January 2015 in “Spectrum Research Repository (Concordia University)” Porcine PRP can replace FBS and may promote hair growth.
8 citations
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November 2020 in “Frontiers in Cell and Developmental Biology” Certain genes are more active in baby scalp cells and can help grow hair when added to adult mouse skin cells.
46 citations
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April 2016 in “Journal of Investigative Dermatology” New genes found linked to balding, may help develop future treatments.
19 citations
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January 1997 in “Endocrinology” Testosterone can slow hair growth in adult monkeys, but a blocker called RU 58841 can counteract this and potentially help hair regrow.
August 1993 in “Journal of Dermatological Science” Testosterone metabolism in balding scalp cells may not be the main cause of hair loss.
October 2023 in “Journal of the Endocrine Society” Estetrol helps keep scalp hair in the growth phase longer and improves hair follicle health by affecting the hair root and increasing stem cells.
63 citations
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September 2009 in “Regenerative Medicine” Scientists found a way to grow human hair cells in a lab that can create new hair when transplanted.
34 citations
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February 1999 in “Journal of Dermatological Science” Minoxidil boosts enzymes that help hair growth.
32 citations
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August 2006 in “Archives of Dermatological Research” Dermal papilla cells can help regrow hair follicles.
16 citations
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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.
December 2023 in “Scientific Reports” Scientists created cell lines from balding patients and found that cells from the front of the scalp are more affected by hormones that cause hair loss than those from the back.
April 2026 in “Microorganisms” SCFF may help promote hair growth and scalp health.
February 2017 in “Spectrum Research Repository (Concordia University)” Porcine PRP can replace FBS and promote hair growth.
19 citations
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March 1996 in “British Journal of Dermatology” Balding hair follicle cells are smaller, grow less well, and need more effort to culture than non-balding cells.
29 citations
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March 2010 in “Journal of Dermatological Science” Wnt3a activates certain genes in hair follicle cells, including a newly discovered one, EP2, which may affect hair growth.
8 citations
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January 2020 in “International Journal of Trichology” Silymarin improves hair follicle health better than vitamin C by boosting cell growth and reducing oxidative stress.
July 2024 in “Journal of Investigative Dermatology” USPlus®Derm may help hair growth and maintain stem cells in male pattern hair loss.
April 2023 in “Journal of Investigative Dermatology” Protein analysis shows aging changes in scalp cell types from women.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” Estetrol may help prevent hair loss and promote hair growth in women.
30 citations
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March 1996 in “British Journal of Dermatology” 45 citations
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May 1992 in “Journal of Investigative Dermatology”
17 citations
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February 2016 in “Experimental Dermatology” SFRP2 boosts Wnt3a/β-catenin signals in hair growth cells, with stronger effects in beard cells than scalp cells.