6 citations
,
October 1989 in “PubMed” Optimized conditions and specific treatments enhance the growth of hair cells from C3H mice.
2 citations
,
August 2017 in “Experimental Dermatology” A human serum-enriched medium effectively supports melanocyte growth and activity without using animal-derived supplements.
November 2022 in “Journal of Investigative Dermatology” DermaCult™ Keratinocyte Expansion Medium allows human skin cells to grow longer while keeping their ability to develop properly.
49 citations
,
October 2017 in “Nutrients” Equisetum debile extract, especially the ethyl acetate type, may be a promising natural ingredient for anti-hair loss products.
49 citations
,
November 2014 in “Journal of Medicinal Food” Red Ginseng Extract may help human hair grow by activating growth pathways and blocking negative effects of certain hormones.
39 citations
,
December 2013 in “Phytotherapy Research” Safflower (Carthamus tinctorius) extract helps hair grow and could be used in hair products.
16 citations
,
October 2019 in “Biological & Pharmaceutical Bulletin” Houttuynia cordata extract may help hair grow by improving cell survival and increasing cell growth.
15 citations
,
May 2020 in “BMC complementary medicine and therapies” Polygonum multiflorum extract helps hair grow longer and fights the effects of hormones that cause hair loss.
11 citations
,
October 2015 in “Clinical and Experimental Dermatology” Sophora flavescens extract helps hair growth and treats hair loss.
6 citations
,
October 2019 in “Jo'jig gonghag gwa jaesaeng uihag/Tissue engineering and regenerative medicine” Rice bran extract boosts melanin production in hair follicles.
Glycyrrhizic acid and licorice extract can significantly reduce unwanted hair growth.
14 citations
,
July 2021 in “Biomolecules” Centipeda minima extract helps hair grow by activating important growth signals and could be a promising hair loss treatment.
5 citations
,
December 2015 in “Asian pacific Journal of Tropical Biomedicine” Phthirusa pyrifolia extract may lower testosterone and harm male rat reproduction without damaging the liver or kidneys.
1 citations
,
July 2022 in “Han'gug sigpum yeong'yang gwahag hoeji/Journal of the Korean society of food science and nutrition” Eurycoma longifolia extract may help increase testosterone levels and reduce andropause symptoms.
1 citations
,
October 2022 in “International journal of endocrinology” Dihydrotestosterone changes some hormone-related gene expressions in rat pituitary glands but doesn't affect the estrous cycle.
40 citations
,
May 2014 in “PLoS ONE” Chronic stress can reduce skin pigmentation.
4 citations
,
September 2020 in “Andrologia” Oregano extract helps fix testis and sperm damage caused by finasteride.
August 1994 in “Molecular Endocrinology” Changing protein kinase levels in pituitary cells affects calcium flow and beta-endorphin release.
June 2023 in “SPIRE - Sciences Po Institutional REpository” Extracellular vesicles and androgen receptors may help identify prostate cancer resistance and reduce SARS-CoV-2 infection.
46 citations
,
August 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” Phosphatidic acid may help hair grow by affecting cell growth pathways.
26 citations
,
November 2002 in “Planta medica” Extracts from Cercidiphyllum japonicum wood can stimulate mouse hair cell growth like common hair growth treatments.
79 citations
,
March 1999 in “The journal of investigative dermatology/Journal of investigative dermatology” Procyanidin compounds from grape seeds were found to significantly increase mouse hair growth.
March 2026 in “Scientific Reports” Ferulic acid may help hair grow by activating certain receptors in cells.
123 citations
,
May 2009 in “Journal of Neuroscience” In late pregnancy, allopregnanolone reduces stress responses in rats by affecting brain chemicals.
69 citations
,
February 1983 in “Gut” Men with coeliac disease may have hormone imbalances that could affect sexual function, but these can improve with better gut health.
18 citations
,
October 2018 in “Nutrients” Annurca apple extract promotes hair growth by changing hair follicle metabolism to boost keratin production.
18 citations
,
October 2017 in “Drug Design Development and Therapy” DA-9401 helps protect rat testis from finasteride damage.
2 citations
,
November 2012 in “InTech eBooks” The document concludes that sex hormones are crucial for mammalian reproduction, health, and behavior, and require more research for therapeutic use.
January 2025 in “Institutional Repositories DataBase (IRDB)” Maslinic acid from olive extracts promotes hair growth like minoxidil.
12 citations
,
December 2017 in “Scientific reports” The new test can measure very small amounts of testosterone in hair, and grinding the hair up first gives more accurate results.