April 2026 in “Cosmetics” In this randomized, double-blind, placebo-controlled trial, researchers found that a multi-targeted cosmetic formulation containing TrinogeniX™ significantly increased hair density and thickness in individuals with androgenetic alopecia without adverse effects, suggesting it as a potential safe and effective treatment option.
September 2022 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, Amazonian pepper extracts showed potential as an ingredient for alopecia treatment due to their promising chemical profile, low cytotoxicity, and compatibility with shampoo formulations.
May 2025 in “Biomedicine & Pharmacotherapy” This study found that HPD is a potent activator of hair follicle regeneration, surpassing the efficacy of conventional minoxidil treatment by modulating Wnt/β-catenin signaling and enhancing follicular proliferation, indicating its potential as a non-invasive hair restoration therapy.
February 2024 in “Trends in Sciences” This study examined the stability of two 5α-reductase inhibitors in Tectona grandis extracts, finding that they are more stable in acidic environments and degrade rapidly under heat and light unless protected, suggesting the need for careful storage when developing anti-hair loss medications.
9 citations
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January 2006 in “Cutaneous and ocular toxicology” This study found that L-cystine, D-pantothenat, and miliacin can enhance the metabolic capacity and proliferation of human keratinocytes, with a combination of these additives potentially providing synergistic benefits in growth media.
23 citations
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February 2015 in “International Journal of Molecular Sciences” This study found that colchicine treatment significantly reduced hair fiber elongation in cultured hair follicles and altered protein expression and activity in dermal papilla cells, suggesting a role for the ubiquitin-proteasome system in its effects.
7 citations
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March 2013 in “Tetrahedron Letters” This study reports a new one-pot method for synthesizing chromeno-pyrimidine-N-oxides with high yield from 4-chloro-3-formylcoumarin and aromatic carboximide oximes, confirmed by X-ray analysis.
This study concluded that the antioxidant and hair growth activity of Trigonella plants were higher compared to Geranium wallichianum, with a potential correlation between antioxidant activity and hair growth in albino rats.
January 2017 in “Nasza Dermatologia Online” This study found that both new and old formulas of DCP for treating alopecia areata resulted in similar hair regrowth, but tolerance was significantly better with DCP in isopropanol.
July 1989 in “British Journal of Dermatology” Long-term use of canthaxanthin may cause reversible changes in the eye, including crystal deposits and altered vision responses.
January 2018 in “Hair transplant forum international” This article discusses a novel multi-targeting approach to treating hair loss using standardized nutraceuticals but reports no new clinical results.
7 citations
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August 2007 in “Journal of Biotechnology”
102 citations
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July 2007 in “Genes & Development” This study found that maternal PPARγ is essential for preventing the production of inflammatory lipids in mouse milk, which can otherwise cause inflammation, alopecia, and growth retardation in nursing pups.
July 2025 in “Dermatologica Sinica” In this study, compound glycyrrhizin promoted hair regrowth in a testosterone-induced alopecia mouse model and increased human hair dermal papilla cell proliferation, likely through activating the Wnt/β-catenin pathway.
This study found that ingesting seeds from the Lecythis ollaria tree may cause hair loss and other toxic effects in animals.
July 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” The research found that topical maslinic acid stimulates hair growth in mice, comparable to minoxidil, by inducing anagen phase acceleration and activating pathways such as Wnt/β-catenin, Notch, and MAPK; a potential link to cilia activity was also explored.
2 citations
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April 2016 in “DOAJ (DOAJ: Directory of Open Access Journals)” This study found that a novel saw palmetto supercritical CO2 extract effectively inhibits 5α-reductase type II in vitro, suggesting its potential for promoting prostate health in benign prostatic hyperplasia.
June 2020 in “Journal of clinical and investigative dermatology” In this study, women with diffuse hair loss reported that Proteoglycan Replacement Therapy with Nourkrin® improved hair growth and appearance, boosting their confidence and satisfaction with the treatment.
18 citations
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January 2007 in “Pharmaceutical Biology” This study found that petroleum ether extracts of Citrullus colocynthis reduced hair growth initiation time and advanced more hair follicles to the anagen phase in albino rats compared to untreated controls and minoxidil.
3 citations
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December 2024 in “International Journal of Dermatology” This review examined the psychological effects, mechanisms, health associations, and treatments related to premature hair graying, highlighting factors like genetics, oxidative stress, smoking, and diet, with the aim of enhancing understanding and addressing its broader implications.
January 2026 in “International Journal of Biological Macromolecules” 16 citations
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August 2022 in “Biogerontology”
19 citations
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August 2014 in “Journal of Ethnopharmacology” The study created a test that found hormonal and toxic effects in plant and fungal extracts using prostate cancer cells.
September 2017 in “Journal of Investigative Dermatology” In this study, the authors found that a botanical extract with anti-inflammatory and anti-oxidative properties stabilized hair loss and preserved natural hair pigmentation and strength over six months.
47 citations
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December 2006 in “Therapy” This study found that a dietary supplement containing L-cystine, medicinal yeast, and pantothenic acid significantly improved hair growth in women with telogen effluvium over six months compared to placebo.
2 citations
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July 2009 in “Pharmacognosy Research” This study found that a polyherbal formulation with a 1:2:3 ratio of Cicer arietinum Linn., Ocimum sanctum Linn., and Cyperus rotundus Linn. promoted hair growth in rats, comparable to a standard treatment.
6 citations
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October 2023 in “Pharmaceuticals” This study found that the extract of Eclipta prostrata L. demonstrated high antioxidant and anti-acetylcholinesterase activities, moderate inhibition of enzymes linked to diabetes, and favorable ADMET properties, suggesting potential cognitive and diabetes management benefits.
June 2026 in “Journal of Cosmetic Dermatology” This study reports that a novel multi-compound Blend, tested on ex vivo human hair follicles, promotes hair growth by enhancing elastin deposition and dermal papilla inductivity more effectively than isopropyl cloprostenate, suggesting benefits through elastogenesis and modulation of Wnt signaling.
February 2026 in “Advanced Science” This study found that the combination of TTNPB and CHIR99021 enhanced the derivation of highly advanced neural stem cells from human pluripotent stem cells, with improved chromatin accessibility and neuroectodermal gene expression, and these cells successfully engrafted in rat hippocampi to ameliorate depression-like symptoms.
July 2025 in “Food Safety and Health” This study used metabolomics to identify distinctive metabolic and phenolic profiles in American ginseng (Panax quinquefolius) from various regions, revealing specific biomarkers that can help differentiate between ginseng from Northeast China, Shandong, and the United States.