Hair care products can cause skin irritation and allergies.
December 2015 in “아시안뷰티화장품학술지” Green tea's EGCG has various health benefits, including antioxidant properties, skin protection, cancer cell growth inhibition, anti-inflammatory effects, fat breakdown, detoxification, diabetes management, hair growth stimulation, and prevention of gum disease.
13 citations
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October 2013 in “The Journal of Dermatology” Cepharanthine may help hair growth by increasing IGF-I in scalp cells.
65 citations
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May 2001 in “Journal of Analytical Toxicology” Basic drugs like amphetamine are absorbed more in darker hair than lighter hair.
November 2024 in “Frontiers in Endocrinology” Hair analysis can help diagnose adrenal disorders non-invasively.
January 2026 in “Lumbung Farmasi Jurnal Ilmu Kefarmasian” The topical formula with sidr leaves and roasted candlenut extracts significantly boosts hair growth for alopecia.
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.
1 citations
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December 2011 in “EFSA Journal” Spermidine may help extend the growth phase of hair.
May 2013 in “Hair transplant forum international” A man had hiccups for several days after a hair transplant, likely due to medication or nerve irritation, but they stopped on their own.
July 2025 in “Current Treatment Options in Oncology” Scalp cooling helps prevent hair loss during chemotherapy, and minoxidil aids regrowth.
89 citations
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November 2014 in “International Journal of Nanomedicine” Using nanostructured lipid carriers to deliver spironolactone could improve treatment for hair loss.
7 citations
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August 2020 in “Majalah Farmasetika” A herbal hair tonic with 2.5% green tea extract is most effective for hair growth.
14 citations
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January 2015 in “Clinical Nutrition Research” MK-R7 supplement with Cistanche Tubulosa and Laminaria Japonica extracts improved hair density and scalp health without adverse effects.
June 2026 in “Scientific Reports” Open-label placebos can reduce stress and improve exam performance.
5 citations
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December 2015 in “Dermatologic Therapy” Using a certain drug on the skin can help prevent hair loss caused by pulling on the hair.
45 citations
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June 2008 in “Journal of pharmaceutical and biomedical analysis” The method effectively identifies banned substances in hair loss and skin disease cosmetics.
Haircare products may expose users to harmful chemicals despite regulations.
8 citations
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January 2014 in “BioMed Research International” Eclipta alba extract was found to be effective in promoting hair growth in hairless mice.
69 citations
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December 2015 in “Journal of Controlled Release” Nanocapsules can improve clobetasol delivery to hair follicles, reducing side effects.
101 citations
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January 2014 in “Journal of Visualized Experiments” The method effectively measures long-term stress levels using hair samples.
Drinking sweetened tea and soda and poor sleep may increase the risk of hair loss in women.
November 2022 in “Journal of Investigative Dermatology” The fragrance cyclohexyl salicylate helps promote hair growth and increase hair stem cell numbers.
January 2022 in “International Journal of Health Science” Topical products, especially specific shampoos, are effective in treating androgenetic alopecia by delivering active ingredients to hair follicles and improving hair quality.
11 citations
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July 2015 in “Frontiers in Cellular Neuroscience” Corticosterone makes ethanol more effective at blocking brain processes important for learning and memory.
10 citations
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December 2019 in “International journal of medicinal chemistry” Chemicals from the plant Dicerocaryum senecioides were found to safely speed up and increase hair growth in mice.
12 citations
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January 1988 in “YAKUGAKU ZASSHI” Certain natural extracts can promote hair regrowth.
1 citations
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January 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” Cepharanthine is safe but not clearly effective in speeding up COVID-19 recovery.
1 citations
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May 2019 in “International Journal of Applied Pharmaceutics” Both hair tonic and gel with Angiopteris evecta extract effectively stimulate hair growth.
6 citations
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October 2023 in “Pharmaceuticals” Eclipta prostrata extract may help with memory and diabetes due to its antioxidant and enzyme-inhibiting properties.
Hair product allergies are common, especially to hair dyes, and hairdressers are at higher risk.