December 2025 in “Molecules” This study found that the 15-PGDH inhibitor DPP improved endothelial function in hair-related cells exposed to DHT by reducing oxidative stress and enhancing angiogenic capacity.
52 citations
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May 2011 in “Journal of Neuroendocrinology” This study found that palmitoylethanolamide may stimulate allopregnanolone synthesis and reduce oxidative stress in astrocytes through PPAR-α activation, suggesting a neuroprotective role.
1 citations
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January 1988 In this study, topical dehydroepiandrosterone (DHEA) doubled sebum production in women without systemic side effects, suggesting it may be a safe treatment for reduced sebum output related to menopause.
January 2025 in “Applied Sciences” This review examines sulforaphane's interactions with hormone-mediated health conditions, focusing on gender-specific health issues, but reports no new original research findings.
This study suggests that 9-Octadecenoic acid (Z)-, 2,3-dihydroxypropyl ester from African Yam bean seeds may inhibit the human 5α-reductase II enzyme, potentially helping manage BPH, although further studies are needed.
14 citations
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January 2019 in “Journal of Natural Medicines” This study found that certain compounds from Chaga mushrooms stimulated the proliferation of human hair follicle cells more effectively than minoxidil, suggesting potential for hair-growth treatments.
2 citations
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October 2008 in “InTech eBooks” This review discusses the benefits of non-denatured soybean extracts in skincare, suggesting potential roles in skin lightening, anti-aging, delaying hair growth, and photoprotection, but it reports no new clinical results.
June 2026 in “Oriental Journal Of Chemistry” This research found that a novel dehydroepiandrosterone derivative (12) significantly reduces cell viability and increases apoptosis in testosterone-stimulated normal and tumor prostate cells, unlike finasteride and dutasteride, which also showed activity under dihydrotestosterone stimulation.
11 citations
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May 2016 in “Naunyn-Schmiedeberg's Archives of Pharmacology” This study found that 15-dPGJ2 promotes apoptosis in human follicular keratinocytes, suggesting its potential role in developing hair loss prevention treatments through DP2 antagonism.
21 citations
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January 2015 in “The Journal of Steroid Biochemistry and Molecular Biology” In this study, researchers demonstrated that in a mouse model, the stimulation of mammary tumor growth due to progesterone is primarily caused by its metabolite, 5αP, not progesterone itself.
February 2024 in “Cosmetics” In this study, researchers developed a novel platform for discovering potential hair loss inhibitors by investigating the testosterone/dihydrotestosterone biosynthetic pathway and its regulation through biochemical mechanisms involving 17β-HSD and 3β-HSD, combined with medicinal plant extracts.
March 2023 in “International Journal of Applied Pharmaceutics” In this study, researchers formulated a topical gel containing β-sitosterol for alopecia treatment and found it demonstrated good 5 alpha reductase inhibitory activity in vitro, comparable to a commercial product, indicating its potential for further antiandrogenic activity investigation.
23 citations
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January 2001 in “Chemical & Pharmaceutical Bulletin” This study found that several synthesized pregnane derivatives exhibited significant inhibitory effects on testosterone conversion to dihydrotestosterone and reduced related androgenic parameters in multiple pharmacological models.
6 citations
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May 2022 in “Colloids and Surfaces B: Biointerfaces” This study found that oral administration of naturally safe active polypeptides from marine shellfish promoted scarless dermal wound healing in mice, potentially via effects on inflammation, fibroblast activity, and the "skin-gut" axis.
July 2024 in “International Journal of Molecular Sciences” This study explored the effects of DPP, a 15-PGDH inhibitor, on human follicle dermal papilla cells damaged by dihydrotestosterone and observed that DPP enhanced wound healing, reduced reactive oxygen species, and increased hair growth in ex vivo human hair follicle cultures.
8 citations
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July 2021 in “F1000Research” This review discusses the potential of plant-derived phytochemicals as alternatives to 5-alpha-Reductase inhibitors in treating prostate cancer, highlighting possible benefits like reduced side effects, but it reports no new findings.
March 2024 in “Journal of Microbiology and Biotechnology” This study suggests that phloroglucinol may enhance anagen signaling and reduce oxidative stress-induced damage in human dermal papilla cells, offering a potential therapy for hair loss.
April 2016 in “Journal of Investigative Dermatology” This study found that inhibiting JAK signaling can unexpectedly trigger hair growth in resting-phase mouse skin, implicating JAK-STAT pathways and oncostatin M in maintaining hair follicle stem cell quiescence.
75 citations
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November 2016 in “Medicines” This review discusses the properties and therapeutic potentials of beta-sitosterol, highlighting a need for more detailed studies on its mechanisms and long-term effects in humans; it reports no new results.
April 2019 in “Advances in integrative medicine” This study found that the highest rebound value in concrete with high volume slag occurs with 40% slag content, 10–20 mm basalt aggregates, and greater carbonation depth.
September 2017 in “Journal of Investigative Dermatology Symposium Proceedings” This study found that prostaglandin D2 increases testosterone production in human keratinocytes through a mechanism involving ROS and REDOX potential, which could inform treatments for androgenic alopecia.
July 2024 in “Journal of Investigative Dermatology” Topical sulforaphane reduces pigmentation and wrinkles from sun damage.
9 citations
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September 2017 in “Journal of Investigative Dermatology Symposium Proceedings” In this study, PGD2 was shown to increase testosterone production in human keratinocytes through reactive oxygen species, suggesting potential benefits of antioxidants like N-acetyl-cysteine for AGA patients.
April 2016 in “Journal of Investigative Dermatology” This study found that the peptide derivative beta-Ala-Pro-Dab-NHbenzyl may reduce wrinkles and sebum production in human skin by inhibiting dipeptidyl peptidase 4, suggesting potential for acne and skin inflammation treatment.
26 citations
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October 1997 in “Planta Medica” This study found that bisbenzylisoquinoline alkaloids from Stephania cepharantha Hayata stimulated growth in cultured murine hair cells but not in keratinocytes or fibroblasts.
22 citations
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February 2002 in “Planta Medica” In this study, osthenol was identified as a highly potent inhibitor of 5alpha-reductase type I in LNCaP cells, significantly outperforming finasteride.
1 citations
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May 2025 in “Natural Products and Bioprospecting” In this study, PEVIII, a nanocomposite chitosan-coated vesicle containing both α-hederin and hederacoside C, demonstrated notable antibacterial activity against Pseudomonas aeruginosa in a keratitis model, showing significant lesion reduction, tissue improvement, and decreased bacterial load and inflammatory markers compared to other treatments.
January 2025 in “Journal of the Korean Society of Food Science and Nutrition” This study found that the combination of finasteride and black soybean extract showed synergistic protective effects against DHT-induced damage in hair follicle cells, suggesting potential benefits for treating androgenetic alopecia.
8 citations
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May 1996 in “Endocrinology” This study found that the androgen precursors DHEA and androstenedione stimulated androgen-sensitive parameters in the sebaceous glands of the skin in castrated male hamsters.
17 citations
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September 2024 in “Cosmetics” This study assessed the antioxidant properties and contents of carotenoids and chlorophylls in 10 plant oils, finding fenugreek seed oil to be highest in carotenoids and pomegranate oil most active against free radicals, highlighting their potential as natural materials with antioxidant benefits.