August 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This narrative literature review by Lustrao synthesizes existing research on six botanical ingredients used in Lustrao Hair Regrowth Oil, noting varying evidence levels with rosemary oil showing the clearest human clinical support for hair growth, particularly against minoxidil.
August 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This narrative literature review by Lustrao examines the existing research on six botanical ingredients in their Hair Regrowth Oil, finding varied evidence levels and highlighting rosemary oil's strong human clinical support for hair growth compared to minoxidil.
June 2026 in “International Journal of Drug Delivery Technology” In this study, researchers developed a polyherbal hair growth oil using botanical substances and base oils like coconut and castor oil, finding it to be stable, non-irritating, and suggesting potential hair-growing properties through mechanisms such as scalp blood flow improvement and anti-inflammatory effects.
The authors concluded that mineral and vegetable oils have complementary roles in hair care, with coconut oil noted for its ability to penetrate hair fibers and reduce protein loss.
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.
April 2025 in “Research Journal of Topical and Cosmetic Sciences” This study developed and evaluated a herbal hair oil formulated with various plant extracts, reporting significant enhancement in hair growth activity in human models compared to controls, alongside promising physicochemical properties and safety indicators.
June 2024 in “British Journal of Dermatology” This study reviewed evidence on hair oils' effects on hair health and found that coconut-based oils may protect hair during prewash by reducing porosity and improving tensile strength, while rosemary oil showed evidence for promoting hair growth in androgenetic alopecia.
In this clinical trial, rosemary-lavender and rosemary-castor oils were found to significantly improve hair growth rate, thickness, density, length, and reduce hair fall compared to coconut oil over 90 days, indicating they may be effective natural alternatives for hair regrowth.
January 2026 in “BioMed Research International” This study observed that a combination of rosemary and castor oils promoted hair growth in a mouse model, showing similar hair length trends to 2% minoxidil. However, results from this murine model cannot be directly applied to humans.
November 2023 in “Scholars journal of applied medical sciences” This study conducted in Rabat surveyed 100 individuals with afro-textured hair to identify plant-based treatments, finding twelve plant species purportedly effective in managing hair issues, with Ricinus communis, Cocos nucifera, and Aloe barbadensis being the most frequently cited.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers developed a polyherbal hair oil formulation that demonstrated favorable physicochemical properties and benefits such as anti-dandruff, anti-hair fall, and hair growth-promoting effects, with formulation F2 identified as the optimal blend for herbal hair care.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study evaluated a polyherbal hair oil made from natural ingredients and found that the F2 formulation demonstrated favorable physicochemical properties, good stability, and beneficial activities such as anti-dandruff, anti-hair fall, and hair growth promotion, identifying it as optimal for herbal hair care applications.
April 2023 in “Seven Editora eBooks” This review discusses essential oils for androgenetic alopecia and hair growth but reports that few robust clinical trials currently support their effectiveness; the authors call for more research.
July 2023 in “International Journal of Molecular Biology and Biochemistry” This study reports that hair oil formulations using Arnica montana in castor and mustard oil bases showed effective results in quality and quantitative analysis through UV visible spectrophotometer, FTIR, and HPTLC testing methods.
November 2025 in “International Journal for Research in Applied Science and Engineering Technology” This study describes the creation of a herbal hair oil using natural ingredients like curry leaves and hibiscus and found that the F1 oil formulation effectively reduces hair fall, removes dandruff, improves scalp blood flow, prevents early graying, and combats fungal infections.
July 2023 in “International journal of pharmacognosy and life science” This study explores the development of a herbal hair oil formulation using selected herbs to potentially address hair loss and related issues, as an alternative to synthetic medications that may cause serious side effects and offer limited effectiveness.
January 2025 in “International Journal of Nanomedicine” In this study, a metformin-loaded rosemary-based nanoemulgel was found to significantly enhance hair follicle growth in rats, suggesting its potential as a new treatment for androgenetic alopecia due to its promising physicochemical properties and controlled drug release.
April 2024 in “International Research Journal Of Modernization In Engineering Technology And Science” This study identified promising properties of a herbal shampoo formulation, suggesting its potential for human cosmetic use, but notes that further optimization is needed to fully explore its benefits.
3 citations
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July 2021 in “International journal of pharmaceutical chemistry and analysis” This review examines the role of medicinal plants in treating hair problems like baldness and dandruff, but it reports no new clinical results and emphasizes nutritional benefits from various herbal ingredients.
February 2026 in “Journal Educational Research and Development | E-ISSN 3063-9158” This study formulated and evaluated a Moringa oleifera-based shampoo bar, finding it has a safe pH, does not cause irritation, and is favored by 64% of respondents, with potential hair loss reduction benefits and environmental advantages over liquid shampoos.
January 2026 in “International Journal of Advanced Research in Science Communication and Technology” This report describes the creation of a natural herbal beard balm formulated to nourish, hydrate, and support healthy beard growth while reducing irritation, using ingredients like coconut oil, rosemary oil, and beeswax.
January 2023 in “Journal of Survey in Fisheries Sciences” This study found that a polyherbal hair repair oil significantly increased hair growth and demonstrated promising efficacy and safety compared to other oils in a rat model.
3 citations
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August 2020 in “PubMed” This review discusses the absence of clinical trials on natural ingredients for managing Central Centrifugal Cicatricial Alopecia and highlights a need for more research.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review found that hair loss is nearly universal by mid-life, significantly impacts psychological well-being, especially for women, and that users often discontinue the leading treatment, minoxidil, due to adherence issues.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review highlights that hair loss is nearly universal by mid-life, poses significant psychological burdens, particularly for women, and shows that many discontinue minoxidil due to adherence challenges.
January 2020 in “Journal of dermatology research and therapy” This study reviews popular over-the-counter hair loss products available online but reports no new clinical results.
34 citations
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January 2022 in “Molecules/Molecules online/Molecules annual” This review highlights the use of natural products in cosmetic-containing herbals for skin and hair care but reports no new clinical results, calling attention to their claimed curative properties and minimal side effects.
7 citations
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March 2023 in “Antioxidants” This study confirmed the antioxidant role of rosemary, suggesting its potential use in treating inflammatory and infectious skin conditions, but emphasizes that more large-scale controlled trials are necessary to fully understand its clinical impact.
October 2025 in “Journal of Cosmetic Dermatology” This study found that conventional treatments like oral dutasteride and topical/oral minoxidil are effective for male androgenetic alopecia, and it provides guidance on the relative efficacy of some alternative treatments, such as topical melatonin and rosemary oil, compared to these conventional therapies.
January 2026 in “Magazine Portal Bibliotech Digital (Universidad Nacional de Colombia)” This study found that rosemary extracts, both individually and in combination as shampoo and hair tonic, stimulated significant hair growth in male C57BL6//BIOU mice, even surpassing the growth achieved with the commercial drug 5% minoxidil.