This review discusses the potential effectiveness of certain essential oils in promoting hair growth for alopecia and reports no new clinical trials; the authors suggest these oils may increase hair thickness and volume.
December 2012 in “한국피부미용향장학회지” This study suggests that aroma oils categorized by scalp type have similar chemical compositions, potentially enhancing their effectiveness in aromatherapy for scalp issues.
December 2007 in “한국미용학회지” This study found that a 3% mixture of peppermint and rosemary oil in jojoba oil promoted hair regrowth in C57BL/6 mice similarly to minoxidil and showed notable antibacterial effects.
August 2026 in “International Journal of Allied Medical Sciences and Clinical Research” In this study, a hair serum containing guava leaf, chia seeds, peppermint oil, and alkanet root showed potential benefits for hair care, including antioxidant, anti-microbial, and conditioning properties.
January 2026 in “ChemistrySelect” This study demonstrates that a newly developed bio-based, dual-phasic hair serum offers a sustainable and effective alternative to traditional silicone-based serums, enhancing hair cuticle integrity and consumer appeal while supporting environmentally friendly formulation design.
August 2025 in “Deleted Journal” This article provides an overview of herbal oils or extracts, particularly focusing on the benefits of Arwa oil, which combines various natural oils to nourish hair follicles and treat scalp inflammation, potentially addressing hair problems like hair loss and split ends.
August 2025 in “Revista Contemporânea” This study reviewed literature on the combined use of microneedling and essential oils for treating male androgenetic alopecia, finding that this approach potentially enhances scalp vascularization and hair growth, although controlled clinical trials are needed to confirm these effects and standardize treatment protocols.
June 2021 in “SWU eJournals System (Srinakharinwirot University)” The study found that cyproterone acetate could be released over 15 days using coconut oil mixed with certain wax inhibitors, though further safety studies are needed.
September 2016 in “한국임상약학회지” In this study, ibuprofen, menthol, and cetirizine were found to potentially prevent or slow down damage to human dermal fibroblast cells caused by intermittent fever in early alopecia.
December 2014 in “대한미용학회지” In this study, 3% peppermint oil promoted hair regrowth faster than 3% minoxidil in mice and showed strong antibacterial activity against P. ovale.
February 2014 in “아시안뷰티화장품학술지” This review discusses various natural extracts, such as peppermint, rosemary, wild cultivated ginseng, and others, for their potential hair growth promotion effects and calls for further exploration into combinations with fewer side effects.
January 2008 in “한국미용학회지” This study found that in a shaving animal model of mice, increased enzyme activities and gene expression correlated with enhanced hair growth, suggesting they are good biomarkers in the anagen phase.
April 2023 in “International Journal of Dermatology” This article reviews existing studies on the use of oils, including castor, pumpkin, lavender, peppermint, rosemary, and tea tree oils, for treating androgenetic alopecia, highlighting the need for more research in humans, particularly within the Black community.
March 2023 in “Journal of Cosmetic Dermatology” The researchers in this study described the use of trichoscopy to assist in diagnosing aplasia cutis congenita of the scalp in a dark-skinned newborn, noting that trichoscopic findings can differ from those seen in light-skinned patients, yet remain a valuable diagnostic tool.
8 citations
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January 2009 in “Pepperdine Digital Commons (Pepperdine University)” This article reviews the legal processes for international athletes facing disciplinary actions and suggests enhanced legal representation and procedural changes to improve their access to justice, but reports no new results.
22 citations
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February 2018 in “International Journal of Pharmacy and Pharmaceutical Sciences” This review compiles existing research on Peperomia pellucida's traditional medicinal uses and pharmacological properties but reports no new findings, suggesting its potential for drug development.
January 2017 in “CommonKnowledge Research Repository (Pacific University Oregon)” This review suggests spearmint tea may lower androgenic hormones in women with hirsutism and related symptoms, though longer treatment and follow-up may be needed for noticeable improvements.
January 2024 in “Scientific reports” This study found that undiluted mint leaf extract effectively inhibited multidrug-resistant Staphylococcus aureus and killed Culex pipiens larvae, suggesting its potential as a biocontrol strategy around hospitals.
November 2025 in “Journal of Complementary and Alternative Medical Research” In this study, researchers used molecular docking analysis to explore the potential of spearmint's phytochemicals in managing PCOS, identifying oleanolic acid as having the best binding affinity with proteins associated with the condition. However, these results are computational and require further laboratory experiments for validation.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review explores the significant potential of guava leaves as a source of natural therapeutic agents, noting their rich phytochemical content and diverse pharmacological properties, such as antioxidant and anti-inflammatory effects, which may support their application in pharmaceutical, nutraceutical, and cosmeceutical industries.
1 citations
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January 2020 in “Gastronomica The Journal of Food and Culture” This article reviews the cultural history and changing scientific perceptions of peppercorn as a "numbing spice," focusing on its historical, medical, and literary significance, but provides no new research findings.
22 citations
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September 2013 in “Science international” This review summarizes the health benefits of various leafy spices, highlighting their nutritional and medicinal properties, but it presents no new research findings and emphasizes the need for further studies to develop medicines from these herbs.
90 citations
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July 2009 in “PTR. Phytotherapy research/Phytotherapy research” In this study, spearmint tea significantly reduced testosterone levels and improved self-reported hirsutism in women with PCOS, but did not change objective hair growth scores over the short trial period.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review highlights the diverse pharmacological properties and applications of guava leaves, attributing their effectiveness to a rich phytochemical composition and modern extraction techniques, suggesting their potential as natural therapeutic agents across pharmaceutical, nutraceutical, and cosmeceutical fields.
12 citations
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December 2023 in “Antioxidants” In this study, researchers found that blackberry leaves exhibited higher liposoluble antioxidant levels and inhibited lipid peroxidation more effectively than raspberry leaves, while raspberry leaves showed greater water-soluble antioxidant content and hydroxyl radical inhibition in vitro.
44 citations
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January 2007 in “Biological & pharmaceutical bulletin” This study found that Piper nigrum leaf extract showed in vivo anti-androgenic activity and potent 5α-reductase inhibitory effects, with piperine and (−)-cubebin identified as active components.
This study focused on extracting compounds from curry leaves using various methods and evaluated the extract's purity, solubility, and stability, suggesting potential health benefits like improved digestion and hair growth.
April 2019 in “Agriculture and natural resources”
2 citations
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August 2010 in “Journal of Scientific Research” This study provides detailed macro and microscopical observations of Tridax procumbens Linn. leaf, which could aid in its identification.
September 2020 in “Himalayan Journal of Health Sciences” This review summarizes the diverse pharmacological activities of papaya leaf extract, highlighting its strong medicinal properties and potential cosmetic applications, but reports no new clinical results.