146 citations,
January 2004 in “Hormones” Human skin acts like a hormone-producing organ, making and managing various hormones important for skin and hair health.
3 citations,
January 2021 in “Skin appendage disorders” Hair loss can occur about 4 weeks after scalp surgery but usually grows back within 3 months without treatment.
54 citations,
January 2013 in “BMC Complementary and Alternative Medicine” Thuja orientalis hot water extract may help hair grow by starting the growth phase and improving hair follicle development.
16 citations,
October 2020 in “Lipids in Health and Disease” Leptin affects skin and hair health and may worsen some skin conditions, but more research is needed to understand its full impact.
34 citations,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
48 citations,
May 2015 in “NPJ microgravity” A 3-month stay in space causes skin thinning, disrupts hair growth, and changes muscle-related genes in mice.
521 citations,
January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.
38 citations,
July 2020 in “EMBO journal” SIRT7 protein is crucial for starting hair growth in mice.
8 citations,
July 2020 in “BMC genomics” The research found genes that change during cashmere goat hair growth and could help determine the best time to harvest cashmere.
23 citations,
November 2011 in “Journal of the European Academy of Dermatology and Venereology” Hair loss is a rare but recognized symptom of pemphigus vulgaris, with patients usually regrowing hair after treatment.
120 citations,
November 2014 in “Biological Reviews” The telogen phase of hair growth is active and important for preparing hair follicles for regeneration, not just a resting stage.
53 citations,
March 2014 in “Cold Spring Harbor Perspectives in Medicine” The document explains different types of hair loss, their causes, and treatments, and suggests future research areas.
450 citations,
January 2005 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair color is determined by melanin produced and transferred in hair follicles.
179 citations,
June 2000 in “The American journal of pathology” The absence of functional sebaceous glands causes hair follicle destruction and scarring alopecia.
27 citations,
July 1997 in “PubMed” The harlequin ichthyosis mouse mutation causes thick skin and early death, resembling a human skin disorder.
53 citations,
November 2006 in “Journal of Endocrinology” Prolactin slows down hair growth in mice.
1 citations,
April 2021 in “Journal of Investigative Dermatology” The ingredients could help prevent hair loss by promoting hair growth and increasing VEGF secretion.
9 citations,
January 2015 in “Fundamental & clinical pharmacology” Cyclosporine A helps hair grow by blocking a process that would otherwise cause hair cells to die.
2 citations,
February 2024 in “Toxins” Bee venom can help stem cells promote hair growth.
2 citations,
August 2020 in “Natural Product Communications” A mix of Platycladus orientalis leaf extract and alpha-terpineol helps mice grow hair by increasing growth factors and cell growth.
January 2015 in “Springer eBooks” Fat-derived stem cells and their secretions show promise for treating skin aging and hair loss.
January 2015 in “Springer eBooks” Hair health is influenced by genetics, aging, and environmental factors, with proper care needed to maintain it.
4 citations,
November 2016 in “Dermatologic Therapy” Topical tretinoin may increase beard hair density.
19 citations,
April 2015 in “International Journal of Molecular Sciences” The research identified genes and pathways important for sheep wool growth and shedding.
11 citations,
October 1994 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride increases hair growth, prolongs hair cycle, and lowers dihydrotestosterone levels.
57 citations,
October 2018 in “Journal of The American Academy of Dermatology” Platelet-rich plasma treatment can significantly increase hair count and density in men with pattern baldness, and these improvements can last up to 3 months.
1 citations,
January 2020 in “Indian journal of dermatology, venereology, and leprology” CD117 and platelet-derived growth factor receptor α may play a role in alopecia areata.
December 2022 in “Biochemical and Biophysical Research Communications” HtrA2 activity is crucial for normal hair growth by regulating fat cell development.
10 citations,
January 2016 in “PLOS ONE” Researchers found 44 proteins that change during different hair growth stages and may be important for hair follicle function.
149 citations,
June 2010 in “The FASEB journal” miR-31 regulates hair growth by controlling gene expression in hair follicles.