November 2025 in “Journal of Microbiology and Biotechnology” Pea sprout extract may help hair regrow by reducing stress and inflammation.
33 citations
,
January 2008 in “Journal of Molecular Neuroscience”
January 2017 in “Springer eBooks” The document concludes that scalp health is influenced by complex factors affecting sebaceous glands, including hormones, aging, and various substances.
10 citations
,
February 2017 in “European journal of neuroscience/EJN. European journal of neuroscience” The availability of certain hormones and specific stimulation patterns affect long-term synaptic changes in the male rat brain.
April 2018 in “Journal of Investigative Dermatology” A new peptide, FOL-005, may help treat excessive hair growth by reducing a hair growth promoter, FGF7.
77 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Human skin cells produce proenkephalin, which changes with environmental factors and skin diseases.
January 2003 in “Elsevier eBooks” Androgens and other hormones affect hair growth and skin conditions like acne.
April 2019 in “Journal of the Endocrine Society” Androgens and estrogens are crucial for insulin secretion in males.
3 citations
,
January 2005 in “Biological & Pharmaceutical Bulletin” The peptide GPIGS helps hair cells grow and speeds up hair regrowth in mice.
April 2018 in “Journal of Investigative Dermatology” Researchers found that the Leptin receptor is a consistent marker for hair follicle dermal cells, which may help future hair research.
16 citations
,
May 2020 in “Psychoneuroendocrinology” People with Parkinson's disease have higher levels of cortisone in their hair, which may indicate chronic stress hormone dysfunction.
64 citations
,
March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
April 2017 in “Journal of Investigative Dermatology” Sweat glands and hair follicles are determined by opposing signals, with BMPs promoting sweat glands and blocking BMPs leading to hair follicles.
21 citations
,
January 2020 in “Pharmaceutical Biology” Salvia plebeia extract can stimulate hair growth.
April 2004 in “Inpharma Weekly” Melatonin helps hair growth in women with hair loss issues.
October 2011 in “Dermato-endocrinology” Hormones significantly affect skin health, with vitamin D playing a key role.
January 2024 in “Biological & pharmaceutical bulletin” Panax ginseng extract helps human hair grow by encouraging growth phase transition and cell proliferation while reducing certain protein expression.
August 2023 in “Stem cell reviews and reports”
101 citations
,
January 1997 in “Journal of Investigative Dermatology Symposium Proceedings” Nerves and chemicals in the body can affect hair growth and loss.
3 citations
,
January 2023 in “Nutrients” Hordenine may help hair grow by activating a specific cell growth pathway.
January 1999 in “Journal of S C C J” Certain growth factors regulate hair growth cycles, male hormones affect hair cycles, and drugs like Minoxidil and Finasteride can stimulate hair growth and inhibit male pattern baldness respectively.
January 2013 in “China Animal Husbandry & Veterinary Medicine” IGFBP-5 likely plays a key role in goat hair growth.
24 citations
,
November 2019 in “Experimental Dermatology” PPAR-γ is important for healthy hair and its problems, and more research on PPAR-γ treatments is needed.
35 citations
,
April 2009 in “Journal of Neuroscience Research” HDAC inhibitors help brain cells grow and improve brain function.
1 citations
,
January 2011 in “Journal of Animal Science and Veterinary Medicine” Injecting melatonin improves cashmere yield by enhancing fiber growth in goats.
154 citations
,
October 1996 in “Proceedings of the National Academy of Sciences of the United States of America” Estrogen affects hair growth and skin cell multiplication.
173 citations
,
November 2004 in “Seminars in Reproductive Medicine” Adrenarche increases adrenal androgens around age 6, affecting hair growth and development.
36 citations
,
July 2016 in “Scientific reports” People's decision-making can be influenced by their internal biological clocks, as shown by gene expression, not just self-reported preferences for morning or evening.
15 citations
,
June 1986 in “Pediatric Dermatology” Androgens increase pigmentation in young hamsters, but estrogens can reverse this effect.
Estrogen and its receptors play a key role in hair growth, with differences between males and females.