3 citations
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January 2005 in “Biological & Pharmaceutical Bulletin” This study reports that the peptide GPIGS, found in Bacillus sp. M18 conditioned medium, may promote hair growth through the PI-3K/Akt pathway and accelerate hair regrowth in mice.
October 2017 in “Institutional Repositories DataBase (IRDB)” Polyacetylene compounds from Panax ginseng may slow hair growth.
June 2026 in “Journal of Cosmetic Dermatology” PDRN may help with female hair loss, but more research is needed.
13 citations
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February 2024 in “Clinical Cosmetic and Investigational Dermatology” This study demonstrated that intradermal treatment with a medical device using Polynucleotides High Purification Technology (PN HPT) significantly improved skin surface, firmness, pigmentation, and radiance in 30 Asian subjects, with benefits lasting up to six months and no adverse events reported.
5 citations
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October 2024 in “International Journal of Molecular Sciences” This study observed that piperonylic acid activated key signaling pathways in dermal papilla cells and increased hair growth markers, and a clinical trial showed users of a piperonylic acid formulation had more hair than those using a placebo, suggesting its potential for treating hair loss.
May 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” In this study, researchers used computational methods to identify six phytochemicals from nettle, saw palmetto, and fenugreek as effective binders to 5-alpha reductase, with Jamogenin showing enhanced stability when encapsulated in lipid nanoparticles.
December 2024 in “Revista Brasileira de Plantas Medicinais” This study reviewed in vivo studies and clinical trials on phenolic compounds, like tannins and flavonoids, for treating hair loss, noting their antioxidant and anti-inflammatory effects but highlighting the need for more clinical trials to confirm benefits.
This review examines the potential of Parquetina nigrescens for managing Polyendocrine Metabolic Ovarian Syndrome, emphasizing its pharmacological activities and highlighting its promise as an affordable complementary therapy.
17 citations
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February 2018 in “Journal of Investigative Dermatology” This study found that the PPAR-γ modulator N-acetyl-GED may enhance mitochondrial function in human hair follicles, particularly in outer root sheath keratinocytes.
18 citations
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October 2018 in “Nutrients” This study found that Annurca apple polyphenolic extracts reprogram hair follicle metabolism in mice, enhancing mitochondrial activity and keratin production while inhibiting some metabolic pathways.
41 citations
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September 2011 in “Journal of Ethnopharmacology” This study indicates that Fructus panax ginseng extract may promote hair growth by increasing proliferation in human hair dermal papilla cells and lengthening the anagen phase in mice.
2 citations
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June 2017 in “Journal of biomedicine and translational research” In this study, Oligonol® was shown to regulate gene expression related to cell proliferation and inflammation in human dermal papilla cells.
26 citations
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June 2001 in “PTR. Phytotherapy research/Phytotherapy research” This study reported that a 1% procyanidin B-2 tonic increased hair diameter and density in men with male pattern baldness, suggesting it may be a potential treatment option.
1 citations
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August 2021 in “International journal of cosmetic science (Print)” This study reported that using piroctone olamine in either a shampoo or leave-on product form significantly increased hair retention and improved scalp condition in women with perceived hair thinning.
6 citations
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April 2017 in “Frontiers in Pharmacology” This study found that several compounds from Yangxue Shengfa capsule may promote hair growth by enhancing cell proliferation in vitro, suggesting potential use in treating androgenetic alopecia.
28 citations
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November 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that the selective PPARγ modulator GMG-43AC may inhibit unwanted hair growth by inducing catagen phase while preserving hair follicle epithelial progenitor cells, suggesting potential in anti-hirsutism therapy.
April 2025 in “The Journal of Agriculture and Development” In this study, researchers optimized the extraction conditions for polyphenols from the medicinal herb Eclipta prostrata, achieving the highest polyphenol content under specific conditions of temperature, solvent concentration, and time, and found the extract to have significant antioxidant activity.
This study investigated the phytochemicals in Phyla nodiflora leaf extracts and identified n-Hexadecanoic acid, stigmasterol, and beta-sitosterol as promising drug candidates for diabetes, alopecia, cancer, and anti-diuresis, advocating further research into these compounds.
1 citations
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August 2025 in “Molecules” This review synthesizes research on hederagenin's anticancer and anti-inflammatory potential, emphasizing chemical modifications to enhance its bioactivity, but reports no new experimental findings.
In this preclinical study, PA-011 derived from Periplaneta americana showed significant hair regrowth effects in androgenetic alopecia mouse models by inhibiting inflammation and oxidative stress, activating hair follicle stem cell proliferation, and normalizing skin microbiota, suggesting promise as an AGA treatment.
December 2022 in “Cosmetics” This study found that a novel nutraceutical supplement improved hair growth and strength in subjects with hair thinning compared to placebo, without reported side effects.
5 citations
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October 2020 in “Brain Research Bulletin” This study found that etifoxine pretreatment reduced neuroinflammation and improved cognitive function in LPS-induced neuroinflammation in mice, potentially through increased neurosteroid synthesis and reduced apoptosis.
May 2024 in “Journal of Agricultural and Food Chemistry” In a study using mice, researchers observed that Cacumen platycladi fermented with Lactiplantibacillus plantarum CCFM1348—both as postbiotics and synbiotics—promoted hair growth, potentially by engaging the Wnt/β-catenin signaling pathway and enhancing growth factor expression.
April 2013 in “The FASEB journal” This study observed that Platycarya strobilacea S. et Z. extract enhanced hair growth and improved hair follicle length and immune response in mice compared to control groups.
April 2022 in “DOAJ (DOAJ: Directory of Open Access Journals)” This study suggests that polygonum multiflorum may treat androgenic alopecia by mediating the PI3K/Akt pathway to regulate apoptosis, inhibit inflammation and oxidative stress, and induce melanin production.
39 citations
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March 2009 in “Archives of Dermatological Research” This study suggests that apigenin may stimulate hair growth by downregulating TGF-ß1 gene expression in human epidermal keratinocytes and promoting hair follicle elongation in a rat hair follicle culture.
This source reports that in adults with non-scarring alopecia, polyphenolic interventions significantly improved hair density and total area hair count compared to controls, although considerable variability was present in results, highlighting the need for further research.
March 2014 in “Journal of The American Academy of Dermatology” Cortexolone 17a-propionate may be an effective new treatment for hair loss.
This study found that the Padina arborescens extract and its component MOGG may prevent hair loss by inhibiting 5α-reductase activity, promoting cell proliferation, opening the KATP channel, and increasing PGE2 production in laboratory settings.
October 2025 in “Records of Natural Products” This research found that kaempferol, a flavonoid from hair growth-promoting plants, significantly enhanced human dermal papilla cell proliferation and inhibited specific signaling pathways, outperforming minoxidil, with topical application in mice promoting hair growth and thickness, indicating potential as a natural hair loss treatment.