7 citations
,
December 2020 in “Pharmaceutics” In this study, a mixture of tocopherol acetate, L-menthol, and stevioside was more effective in promoting hair growth in mice compared to tocopherol acetate or L-menthol alone.
7 citations
,
April 2008 in “Progrès en Urologie”
7 citations
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January 1982 in “Acta agriculturae Scandinavica” Mink use L-methionine and L-cystine slightly better than natural amino acids for hair growth, but D-methionine is not effective.
5 citations
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November 2010 in “Veterinary Record” Treatment with oral terbinafine and topical enilconazole was successful in resolving a Trichophyton dermatophytosis outbreak in L'Hoest's monkeys, with complete mycological cure achieved after eight weeks.
4 citations
,
January 1994 in “Yakugaku zasshi” In this study, EPC-K, a compound with antioxidant and moisturizing effects, was found to decompose significantly under certain conditions, impacting its stability in quasi drug hair-growing products.
4 citations
,
January 1989 This study found that growth affects selenium deposition in hair, nails, and other tissues of adult and weanling rats, indicating dietary and physiological factors may influence selenium levels.
3 citations
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October 2022 in “Han'gug dongmul jawon gwahag hoeji/Han-guk dongmul jawon gwahak hoeji/Journal of animal science and technology” This study found that L-glutamine supplementation in Hanwoo steers under heat stress did not affect growth performance or muscle and adipose tissue gene expression but was associated with increased immune cells and reduced HSP90 expression.
3 citations
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June 2021 in “Cosmetics” This study found that sulforaphane may help alleviate hair loss by increasing hair count after 18 weeks of use and enhancing the expression of a DHT-degrading enzyme in cellular models.
3 citations
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January 2017 in “Journal of cosmetology & trichology” In this clinical trial, supplementation with Lambdapil® Anti Hair Loss capsules for 6 months significantly improved hair resistance and volume in women and increased the anagen/telogen hair ratio in men, indicating enhanced hair growth compared to the placebo group.
2 citations
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August 2020 in “Clinical, Cosmetic and Investigational Dermatology” This study found that a combination of oral compounds improved metabolic activity, cell viability, and proliferation in hair follicular keratinocytes, with L-cystine playing a key role in protection against oxidative stress.
2 citations
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December 2019 in “Textile Research Journal” This study found that L-cystine-modified rabbit hair fibers had improved dye adsorption and spinnability, due to changes in secondary structure and surface characteristics.
2 citations
,
September 2011 in “Revista de Ciências Farmacêuticas Básica e Aplicada” This study examined a shampoo containing chili pepper extract and biopolymer microspheres for hair loss treatment, finding that it was well tolerated by volunteers, particularly due to the exfoliation sensation.
2 citations
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October 2010 in “BMB Reports” In this study, L-threonate was observed to inhibit DHT-induced DKK-1 expression in dermal papilla cells and reverse DHT's inhibitory effects on outer root sheath cell growth, suggesting potential as a treatment for androgen-driven balding.
2 citations
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August 2008 in “Oncotarget” In this study, intravital microscopy in live mice showed that apoptosis in hair follicle regression may be driven by apoptotic cells inducing neighboring cell death, with stem cells likely providing a pro-survival signal.
1 citations
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May 2025 in “International Immunopharmacology” This study found that L-borneol, derived from Chinese medicine, significantly promotes the differentiation of rat hair follicle stem cells into basal layer cells, aiding wound healing, with the process involving inhibition of the PODXL2 gene by the microRNA rno-miR-127.
1 citations
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January 2020 in “Journal of Biosciences and Medicines” This study found that a 5% gel with hydroalcoholic extract from black pop bean integument may have a photoprotective effect in mice exposed to UV-C radiation.
1 citations
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March 2012 in “Revue neurologique” This study reports that both a 9-month-old with phenylketonuria on a phenylalanine-free diet and mice on a deficient diet exhibited severe health issues, highlighting the need for cautious dietary management.
November 2025 in “Phytomedicine” This study identified rhamnose as a compound that promotes hair growth by enhancing glycolysis and stimulating hair follicle regeneration, highlighting its potential use in alopecia treatment through animal and human organ culture models.
November 2025 in “Eurasian journal of applied biotechnology” In this study, combining L-cysteine and N-acetylcysteine with MET inhibition enhanced cytotoxicity in cancer cell lines by sensitizing them to MET inhibition through redox stabilization, suggesting a promising approach for improving MET-targeted cancer therapies without additional oxidative or chemotherapeutic stress.
November 2025 in “Journal of Kufa for Chemical Sciences” This study suggests that L-Selectin and adiponectin may be useful markers for distinguishing between Metformin-treated and untreated PCOS patients.
March 2025 in “HAL (Le Centre pour la Communication Scientifique Directe)” This thesis investigates the underlying mechanisms and treatment options for androgenetic alopecia, highlighting the molecular roles of androgens and genetic predispositions, and evaluates current and emerging therapies, such as PROTACs and Janus Kinase inhibitors, to enhance patient management.
January 2025 in “Journal of Plastic Reconstructive & Aesthetic Surgery” Two L-PRP treatments improve hair density in mild to moderate alopecia.
September 2024 in “Journal of the American Academy of Dermatology” No specific results were reported in this abstract; it aims to explore the psychological effects of hair loss conditions like Chronic Telogen Effluvium and Androgenetic Alopecia, emphasizing the potential link between micronutrient deficiency and hair health.
July 2024 in “Skin Appendage Disorders” This study found that after 6 months of taking an oral supplement, patients with chronic telogen effluvium or androgenetic alopecia experienced a statistically significant increase in hair density and overall improved hair appearance compared to those taking a placebo, with the supplement being well tolerated.
June 2023 in “Italian journal of dermatology and venereology” In this study, researchers evaluated an oral supplement containing arginine, l-cystine, zinc, and vitamin B6, finding it effective as an adjuvant treatment for telogen effluvium, as indicated by improved hair quantity and diameter after three months in 18 patients.
April 2023 in “Journal of Investigative Dermatology” RNase L suppresses regeneration in mammals.
March 2021 in “Juniper Online Journal Material Science” In this study, L-cysteine treated with the Trivedi Effect® showed significantly increased isotopic abundance ratios, which may enhance its stability and shelf-life.
January 2021 in “Journal of cosmetology & trichology” This study suggests that L-(+)-Tartaric Acid may support hair growth by up-regulating certain genes in human Dermal Papilla cells, making it a potentially useful additive in minoxidil formulations.
October 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” This study evaluated the effects of platelet-rich plasma (PRP) on endometriosis but found no statistically significant overall difference in endometriotic foci size reduction between treated and control groups.
This study explored the structure and function of lipocalin prostaglandin D synthase, revealing its dual role in substrate catalysis and as a lipophilic ligand carrier, potentially informing future drug delivery design.