December 2014 in “Sociedad (University of Buenos Aires)” A hair loss supplement with green tea caused liver damage in three people.
6 citations
,
December 2014 in “PubMed” A supplement for hair loss with green tea in it may cause liver problems.
13 citations
,
August 2021 in “Journal of Cosmetic Dermatology” Tea extracts can protect hair from UV damage.
1 citations
,
January 2019 in “Clinical, Cosmetic and Investigational Dermatology” Jarilla-Coffea extract gel effectively and safely increases eyelash and eyebrow thickness in women.
14 citations
,
April 2019 in “Saudi pharmaceutical journal” Microparticles help caffeic acid stay longer in hair follicles for better treatment of folliculitis.
108 citations
,
November 2006 in “Phytomedicine” Green tea component EGCG could potentially promote human hair growth.
3 citations
,
July 2013 in “Bioscience, Biotechnology, and Biochemistry” Chinese black tea extract helped mice grow hair, especially when combined with capsaicin.
July 2021 in “Open access journal of biomedical science” A lotion with natural extracts significantly sped up hair growth in women with hair loss from chemotherapy.
53 citations
,
July 1981 in “Journal of Endocrinology” α-MSH and cyclic AMP boost melanin production, while cyclic GMP and melatonin reduce it.
November 2025 in “Discover Food” Catechins-rich tea extract may help reduce hair loss and promote hair growth.
5 citations
,
February 2019 in “Journal of oceanology and limnology (Online)” Ecklonia cava extract can reduce the damage and stress caused by hair dye.
March 2021 in “Clin-Alert” The FDA warned about safety issues with remdesivir and tofacitinib, finasteride is linked to suicidality, potent topical corticosteroids increase osteoporosis risk, henna can cause hemolysis in G6PD deficiency, chemotherapeutic agents can cause adverse reactions, drug interactions are common in cancer patients, ketamine can reduce at-risk drinking, high dose of anticholinergics increases dementia risk in Parkinson's patients, and prenatal exposure to second-generation antipsychotics increases pregnancy complications.
December 2022 in “Scientific Reports” Compound 4 is a promising treatment for hair loss with low toxicity.
3 citations
,
May 1979 in “PubMed” December 2023 in “JSFK (Jurnal Sains Farmasi Klinis)/JSFK (Jurnal Sains Farmasi dan Klinis)” The 0.3% cocoa bean extract tonic is best for hair growth in mice.
October 2025 in “Clinical Chemistry” Juniperus communis extract enhances the effectiveness of oral cancer treatment when combined with chemotherapy.
128 citations
,
January 1996 in “Journal of analytical toxicology.” Hair analysis can detect cocaine use but doesn't accurately show the amount or timing of use.
January 2013 in “วารสารเภสัชศาสตร์อีสาน (Isan Journal of Pharmaceutical Sciences, IJPS)” Safflower extract increases melanin production in certain skin cells without harming them.
2 citations
,
June 2025 in “International Journal of Molecular Sciences” Carthamus caeruleus root juice may reduce inflammation.
13 citations
,
March 2020 in “Frontiers in cell and developmental biology” A substance called TCQA could potentially darken hair by activating certain genes and increasing melanin.
April 2026 in “Therapeutic Advances in Drug Safety” Finasteride is high-risk for cognitive disorders, while Carbidopa/Levodopa, Topiramate, and Clonazepam are moderate-risk.
April 2023 in “Pharmacognosy Magazine” Cerasus serrulata flower extracts can help turn grey hair black again.
October 2025 in “Journal of the Endocrine Society” Careful dosing and monitoring are crucial to prevent adrenal insufficiency when using ketoconazole for Cushing's disease.
11 citations
,
July 2015 in “Frontiers in Cellular Neuroscience” Corticosterone makes ethanol more effective at blocking brain processes important for learning and memory.
April 2026 in “Frontiers in Pharmacology” Many medications may be linked to cognitive disorders, but most lack warnings on labels.
1 citations
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April 2024 in “Food Frontiers” Pu-erh tea reduces hair loss risk in offspring.
54 citations
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August 2005 in “Alcohol” Finasteride affects alcohol intake in male mice, possibly due to neurosteroids.
4 citations
,
August 2023 in “Italian Journal of Food Science” Pretreatment methods can enhance bioactive content in lactogenic herbs.
April 2026 in “Journal of Cancer” Cepharanthine shows promise as a natural anticancer treatment.