32 citations
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November 2004 in “Journal of pharmaceutical sciences” This study quantifies the follicular uptake of tea tree oil in bovine udder skin, with microemulsion showing the highest concentration among different formulations tested.
1 citations
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January 2017 in “Asian Journal of Chemistry” New method effectively analyzes finasteride and its stability.
4 citations
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March 2019 in “Acta Chromatographica” This study developed two sensitive chromatographic methods for determining finasteride and tamsulosin hydrochloride in pharmaceutical forms, validated against International Conference on Harmonisation guidelines.
1 citations
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June 2020 in “Journal of AOAC INTERNATIONAL” This study reports that two novel chromatographic methods demonstrated high sensitivity and selectivity for determining aminexil, niacinamide, and pyridoxine HCl in a laboratory-prepared mixture and hair tonic preparation.
30 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” This study discovered that the lipid in human hair follicles is mainly located in the hair cuticle and keratinized inner root sheath, distinct from sebaceous and epidermal lipids, suggesting a potential role as a "hair barrier.
4 citations
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January 2016 in “Journal of analytical & bioanalytical techniques” This study evaluated a hair growth gel with Hibiscus rosa sinensis, Eclipta alba, and Solanum nigrum extracts, demonstrating consistent homogeneity, 5 α-reductase inhibitory activity, and no skin irritation.
2 citations
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October 2018 in “Journal of Mind and Medical Sciences” This study developed a straightforward HPTLC method for detecting nicotine and cotinine in human plasma and urine, concluding that liquid-liquid extraction with methanol: chloroform: ammonia achieved optimal separation and is applicable for forensic analysis of lethal nicotine intoxication.
2 citations
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March 2017 in “Veterinary dermatology” This study demonstrated that herbal therapy with oil extract increased triglyceride content in dog hair, suggesting potential benefits on coat quality that require further investigation.
1 citations
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January 2017 in “Pharmaceutica Analytica Acta” This study found petroleum ether to be more effective than methanol at extracting β-sitosterol from Eclipta alba, with higher concentrations detected using HPTLC and HPLC methods. The extracted materials contained metals within safety limits.
December 2023 in “Research Journal of Pharmacy and Technology” In this study, Hibiscus rosa-sinesis flower extract was found to contain 0.33% quercetin according to HPTLC analysis and 0.37% according to HPLC. Heavy metals measured were within acceptable limits, supporting the standardization of the plant material for efficacy and safety testing.
August 2021 in “International Journal of Research in Dermatology” This study observed that Amarantha hair oil contains β-sitosterol, which is suggested to promote hair growth.
January 2000 in “Time to knit” This article describes the extraction and characterization method for wedelolactone from Eclipta alba but presents no new clinical results.
13 citations
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January 1995 in “Journal of the American Institute for Conservation” This study introduced a new method for extracting red mordant dyes from wool fibers that preserved the fibers for further analysis and allowed for spectrophotometric examination of the dyes' absorption curves.
8 citations
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July 2011 in “Critical reviews in analytical chemistry” This article discusses fluconazole's pharmacological and physicochemical properties and methods for its analysis, but reports no new clinical results.
January 2025 in “Current Trends in Pharmacy and Pharmaceutical Chemistry” This review examines recent advancements in analytical techniques used to quantify dutasteride, a medication for enlarged prostate, in various biological samples and its commercial forms, emphasizing methods such as HPTLC, GC-MS, and HPLC.
16 citations
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July 2020 in “Advances in Traditional Medicine” This study found that the combined ethanolic extract ethosome formulation of Phyllanthus niruri, Zingiber officianale, and Croton tiglium Linné showed better safety and less cytotoxicity for hair growth promotion compared to the petroleum ether formulations.
This article discusses ongoing research efforts to develop natural anti-androgenetic alopecia treatments using bioactive compounds from medicinal plants but reports no new clinical results.
45 citations
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June 2008 in “Journal of pharmaceutical and biomedical analysis” This study developed a new HPLC method for detecting prohibited substances like minoxidil and hydrocortisone in cosmetic products, achieving high sensitivity and successful application to real-world samples.
9 citations
,
January 1999 in “Journal of Liquid Chromatography & Related Technologies” This article discusses using high performance liquid chromatography to optimize mobile phase composition for separating synthesis products of Finasteride, without reporting new clinical results.
44 citations
,
April 2011 in “Critical reviews in analytical chemistry” This review discusses the pharmacological properties and analytical methods for determining fluconazole but reports no new experimental findings.
4 citations
,
January 2013 in “Dissolution Technologies” This study optimized and validated a dissolution test method for immediate-release finasteride capsules, highlighting the need for an official standard due to variability in commercial products.
36 citations
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December 2002 in “Experimental dermatology” This study found that procyanidin B-3, a compound isolated from barley extract, may promote hair growth by enhancing hair epithelial cell growth and counteracting TGF-β1's growth-inhibiting effects in vitro and in vivo.
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.
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.
December 2023 in “Annals of phytomedicine” This study reports that dutasteride, used alone or with tamsulosin, effectively reduces acute urine retention and surgery risk in men with benign prostatic hyperplasia, and may lower prostate cancer incidence, suggesting potential chemopreventive benefits.
7 citations
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April 2018 in “Cosmetics” This study found that the medulla of Japanese hair contains unsaturated lipids such as squalene and oleic acid, which may contribute to hair glossiness.
April 2022 in “Molecules” This study identified two potent 5α-reductase inhibitors from Tectona grandis leaves, and suggests that ethanol is a preferable solvent for extracting these compounds, which are potential ingredients for hair loss treatments.
September 2023 in “Biomedicines” In this study, researchers found that subjects with clinical alopecia had significantly higher levels of squalene in their hair bulbs compared to controls, suggesting squalene as a potential metabolic and pathogenic marker for certain alopecia conditions.
November 2025 in “Molecules” This review examines recent advancements in green and emerging microextraction techniques, such as SPME and DLLME, for more sustainable hormone detection in biological samples, emphasizing environmentally friendly solvents and bioanalytical applications.
3 citations
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February 2021 in “Molecules” In this study, researchers developed a sensitive assay to measure the inhibition of steroid 5-α reductase (5AR) by chemicals like finasteride and dutasteride, revealing species-specific differences in inhibitor efficacy between human and fish cell lines.