April 2017 in “Journal of Pharmaceutical Investigation” Indole-based compounds improved ovarian health in rats with PCOS, with L-Tryptophan and Tryptophol being most effective.
249 citations
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April 2002 in “The FASEB journal” Human skin can make serotonin and melatonin.
20 citations
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February 1991 in “Archives of dermatology” High doses of tryptophan may cause eosinophilic fasciitis.
220 citations
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August 1988 in “Clinical endocrinology” Melatonin may help with sleep issues, depression, and cancer, but more research is needed.
84 citations
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July 2003 in “European journal of biochemistry” Mouse skin can produce and process serotonin, with variations depending on hair cycle, body location, and mouse strain.
222 citations
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January 2005 in “Endocrine journal” Melatonin is important for skin health and protection, and can be made by the skin or applied to it.
36 citations
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June 2019 in “eLife” The study developed a tool to predict how gut microbes process foods and drugs, showing that similar compounds often share metabolic pathways and effects.
January 1974 in “Nippon Nōgei Kagakukaishi/Nihon Nougei Kagakkaishi” Applying L-methionine and L-serine to the skin promotes the most hair growth.
3 citations
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July 2024 in “Frontiers in Pharmacology” Puerariae Lobatae Radix can reduce sebaceous gland size and secretion, potentially treating related skin conditions.
April 2026 in “bioRxiv (Cold Spring Harbor Laboratory)” Red light exposure can slow aging in mice by improving fat metabolism.
31 citations
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January 2011 in “Dermato-endocrinology” Melatonin protects skin against UV damage by regulating various cellular processes.
83 citations
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May 2022 in “Journal of Advanced Research” Enhancing glycolysis in mesenchymal stromal/stem cells boosts their immune functions and therapy potential.
52 citations
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June 2014 in “PLANT PHYSIOLOGY” Arabidopsis plants adjust gene expression to maintain balance when auxin pathways are disrupted.
3 citations
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June 2024 in “Frontiers in Endocrinology” COC treatment improves hormone and metabolic levels in PCOS patients.
48 citations
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January 2018 in “Scientific Reports” Hair analysis can reveal metabolic changes and potential pregnancy complications.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
57 citations
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February 1994 in “Experimental dermatology” Melatonin affects mouse skin and may regulate skin functions.
4 citations
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October 2013 in “Springer eBooks” Melatonin receptors, found in many body parts, can help treat various diseases like depression and diabetes due to their effects on inflammation, tumor progression, sleep disorders, and body mass regulation.
March 2026 in “International Journal of Science and Research (IJSR)” Melatonin protects skin and supports hair growth.
252 citations
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January 2008 in “Trends in Endocrinology and Metabolism” Melatonin in the skin helps protect against damage from stress and UV rays, and could be used to treat certain skin conditions.
185 citations
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February 2018 in “Journal of Investigative Dermatology” Melatonin may benefit skin health and could be a promising treatment in dermatology.
January 2026 in “Food and Feed Research” Bananas have many health benefits, including treating diarrhea, diabetes, and colds.
8 citations
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May 2017 in “Current traditional medicine” Stinging nettle has compounds that help with joint pain, arthritis, and prostate issues.
January 2019 in “Springer Reference Medizin” Follicle Stimulating Hormone is important for fertility.
349 citations
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January 2005 in “The FASEB journal” Human skin can make serotonin and melatonin, which help protect and maintain it.
47 citations
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March 2019 in “Journal of immunology research” Valproic Acid could potentially be used to treat immune-related conditions due to its ability to modify immune cell functions.
January 2022 in “Dermatology Review” Higher IL-31 levels are linked to worse itching in chronic kidney disease patients.
506 citations
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January 2012 in “Molecular and Cellular Endocrinology” Melatonin affects many body functions beyond sleep by interacting with specific receptors in various tissues.
109 citations
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October 2007 in “Journal of pineal research” Melatonin helps regulate hair growth and protects the hair follicle from stress.
46 citations
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March 2019 in “Journal of Pineal Research” Melatonin improves cashmere goat hair growth and quality by increasing antioxidants and reducing cell death.