July 1998 in “Proceedings of SPIE” This study found that Low Power Laser therapy may be an effective complementary treatment for scalp alopecia and crural ulcers, showing quicker and potentially better results than conventional treatments.
December 1997 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” This study concluded that low energy laser therapy may effectively complement classical treatment for scalp alopecia, leading to faster results, although long-term maintenance still requires ongoing classical therapy.
January 1983 in “Journal of the American Oil Chemists' Society” The U.S. soybean industry wanted government help due to foreign competition, while the jojoba industry was growing and expected to stabilize.
2 citations
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July 2021 in “Biochemical and Biophysical Research Communications” This study found that plantar dermis matrix homogenate can partially restore the regenerative capacity of hair follicles impaired in culture, with CTHRC1 playing a critical role in this process.
22 citations
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January 2021 in “Pharmacognosy Journal” This review discusses the traditional uses, phytochemical, and pharmacological studies on Ageratum conyzoides, Tridax procumbens, and Bidens pilosa, emphasizing the need for further clinical research into their medicinal potential, but it does not report new results.
September 2022 in “Tropical grasslands-Forrajes tropicales” This study observed that smallholder cattle farmers in West Nusa Tenggara, Indonesia using leucaena as feed managed more cattle and focused more on fattening rather than breeding, but leucaena toxicity led to illnesses such as hair loss and, in a few cases, reproductive issues.
14 citations
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July 2017 in “Pakistan Journal of Zoology” Fenugreek leaf extracts significantly promoted hair growth in mice with alopecia.
April 2019 in “Agriculture and natural resources” December 2021 in “Ad-Dawaa' Journal of Pharmaceutical Sciences” This study concluded that hair tonic formulations using extracts of green tea leaves, celery leaves, or their combination can effectively promote hair growth in guinea pigs, with the fastest growth seen using a 2.5% green tea to 7.5% celery leaf extract ratio.
October 2022 in “Asian journal of healthy and science” This study found that a 20% concentration of mother-in-law's tongue leaf extract promoted hair growth in male rabbits, with effectiveness comparable to a positive control.
13 citations
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September 2012 in “Critical Reviews in Food Science and Nutrition” This review discusses the functional and nutraceutical importance of wheat straw, emphasizing its bioactive compounds and potential benefits, and reports no new experimental findings.
2 citations
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August 2016 in “Journal of Investigative Dermatology” 12 citations
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April 2015 in “BMC research notes” This study found that root hairs in maize, wheat, and finger millet continued to grow beyond the typical root hair zone when grown with the Turface® fertigation system, highlighting potential for understanding root hair dynamics and crop improvement.
December 2018 in “Journal of Medicinal and Aromatic Plant Sciences” This review discusses various plants being investigated for their potential in hair growth promotion and highlights the need for more research, reporting no new clinical results.
July 2014 in “Americanae (AECID Library)” This study found that extracts from Tridax procumbens and Ouratea spectabilis reduced seed germination and inhibited root and hypocotyl growth in lettuce, indicating potential allelopathic effects.
December 2020 in “Zenodo (CERN European Organization for Nuclear Research)” This article discusses three herbal plants commonly used for hair growth support and reports no new clinical results; the authors suggest these herbs may help restore hair health.
June 2023 in “CHEDS Journal of Chemistry Education and Science” In this experimental study, researchers developed a hair tonic using green spinach leaves and assessed its feasibility based on vitamin content and sensory characteristics, finding that the tonic was generally liked by panelists in hedonic tests.
4 citations
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September 2018 in “Rendiconti lincei. Scienze fisiche e naturali” This study concluded that spikenard specimens in Renaissance Italian herbaria are attributed to Nardostachys jatamansi, a plant used in traditional medicine and cosmetics.
January 2026 in “International Journal of Health Engineering and Technology” In this study, researchers evaluated the effects of green spinach leaf extract on hair growth in New Zealand rabbits and found that the 15% concentration formula resulted in the highest average hair growth compared to other concentrations and controls.
This study developed a natural hair dye using Coreopsis tinctoria Nutt. extract, finding that it produced yellow to dark brown colors depending on the treatment, with ferrous lactate enhancing dye performance and color stability after washing.
March 2026 in “International Ayurvedic Medical Journal” This study reported that Gunja (Abrus precatorius Linn.) demonstrates various pharmacological activities, including antifertility, hair growth promotion, immunomodulatory effects, and anticancer properties, supported by its phytochemical composition and analytical advancements, suggesting its potential in Ayurvedic therapeutic applications and future drug development.
In this experimental study, hibiscus leaf extract at a 30% concentration showed effectiveness in promoting hair growth on guinea pigs, with measurable increases in hair length and weight by the 21st day.
July 2017 in “Journal of Young Pharmacists” In this study, the ethyl acetate fraction of Nothopanax scutellarium leaves showed a mild irritation effect but promoted hair growth and increased hair diameter in rabbits.
11 citations
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January 1987 in “Australian Journal of Experimental Agriculture” In this study, Australian cashmere goats receiving protein supplements maintained their weight and showed increased fleece growth, though cashmere growth was largely unaffected.
January 2021 in “Natural Products Chemistry & Research” This study found that Datura metel leaf and flower extracts could improve hair growth, with leaf extracts prompting quicker growth and mixed extracts enhancing overall regrowth effectiveness in animal models.
5 citations
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January 2013 in “Spatula DD - Peer Reviewed Journal on Complementary Medicine and Drug Discovery” This study found that a polyherbal formulation of Trigonella foenum-graecum and Butea monosperma significantly promoted hair growth and reduced DHT levels in a chemotherapy-induced alopecia model.
May 2024 in “Jurnal Penelitian Farmasi dan Herbal” In this experimental study using male rabbits, researchers found that a 7.5% concentration of green tea leaf ethanol extract hair tonic was nearly as effective in promoting hair growth as the positive control, minoxidil, over a 21-day period.
35 citations
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August 1978 in “Australian Veterinary Journal” In this study, a sole diet of Leucaena leucocephala caused hypothyroidism and poor weight gain in steers, but mineral supplementation improved some symptoms without normalizing thyroid hormone levels.
July 2024 in “Journal of Eastern – Western Pharmacology and Pharmacy” This study found that Tribulus terrestris L. extract promoted significant hair growth and reduced skin inflammation in Wistar rats, while Urtica cannabina extract, Glycyrrhiza glabra extract, and Tribulus terrestris L. extract all led to uniform hair growth over 28 days compared to other tested extracts.