High concentrations of retinoic acid kill hair follicle stem cells, while low concentrations may help treat skin diseases.
16 citations
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May 2015 in “Tissue Engineering Part C-methods” A two-step method was created in 2015 to make more cells that help with hair growth, but they need to be combined with other cells for 4 days to actually form new hair.
10 citations
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June 2013 in “International Journal for Vitamin and Nutrition Research” High hair calcium levels are linked to low calcium intake and low bone density.
49 citations
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June 2003 in “European journal of cardiovascular prevention & rehabilitation” Hair loss in middle-aged women is often linked to insulin resistance and a family history of hair loss, particularly from their fathers.
33 citations
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September 2014 in “Reproductive Biology and Endocrinology” High afamin levels are linked to metabolic syndrome and may predict its development in women with insulin resistance.
29 citations
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November 2011 in “Human Fertility” Many women with PCOS have undiagnosed health issues and show different symptoms based on the clinic they visit.
Finasteride tablets and capsules work the same in the body.
7 citations
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February 2021 in “Legal Medicine” Hair analysis showed very high metformin levels in two fatal overdose cases, suggesting it's useful in forensics but sweat may affect results.
April 2012 in “Journal of IMAB” Men with male pattern baldness don't necessarily have high levels of Dehydroepyandrosterone-sulfate, and there's no link between its levels and the severity of hair loss.
February 2024 in “Malahayati Nursing Journal” High androgen levels can cause hirsutism and increase inflammation.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
35 citations
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January 2001 in “Journal of Animal Science” High dietary selenium, especially inorganic, causes weight loss and selenosis in pigs, with effects varying by hair color.
7 citations
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October 2020 in “Journal of Clinical Medicine” Women with PCOS are at high risk of glucose metabolism issues and heart diseases, especially if overweight, highlighting the need for early intervention.
June 2020 in “Journal of Investigative Dermatology” FDA-cleared devices often fail to produce high-quality platelet-rich plasma consistently.
February 2019 in “Journal of the Faculty of Agriculture Kyushu University” Terpene concentrations in coniferous trees are highest in spring and summer, making these seasons best for extracting essential oils.
151 citations
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July 2011 in “Archives of Dermatological Research” Liposomal systems show promise for delivering drugs through the skin but face challenges like high costs and stability issues.
September 2025 in “Al-Nahrain Journal of Science” Aloe vera-based zinc oxide nanoparticles can kill bacteria but may harm human cells at high doses.
5 citations
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February 1996 in “Clinical pharmacology and therapeutics/Clinical pharmacology & therapeutics” Minoxidil given intravenously caused small changes in diastolic blood pressure and increased heart rate at higher concentrations in patients with high blood pressure.
January 2025 in “Catalysts” High-temperature gelatinization of ginkgo seeds effectively increases β-cyclodextrin production.
2 citations
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June 2021 in “Medicine” High levels of cortisol in hair are linked to a greater risk of brain aneurysm rupture.
56 citations
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February 2013 in “International Journal of Molecular Medicine” Growth factors help hair follicle stem cells grow and stay versatile.
45 citations
,
August 1994 in “Journal of Chromatography B: Biomedical Sciences and Applications” Method detects finasteride in plasma and semen with high sensitivity and accuracy.
10 citations
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August 2021 in “Cosmetics” The best shampoo formula used 1% high-weight hyaluronic acid, 10% acidic sophorolipid, and 1% salt for effective hair conditioning and cleansing without sulfates or silicones.
3 citations
,
April 2019 in “Hormone and Metabolic Research” Women with PCOS have lower adiponectin hormone levels and are more likely to have insulin resistance.
1 citations
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December 2019 in “World rabbit science” High doses of cobalt stopped hair growth in rabbits.
1 citations
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December 2011 in “Arzneimittelforschung” The method accurately measures cyproterone acetate in plasma, showing no significant difference between two formulations.
1 citations
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November 2004 in “International Journal of Cosmetic Science” External agents penetrate skin more easily in areas with fewer lipids, especially through hair follicles.
January 2014 in “China Surfactant Detergent & Cosmetics” A reliable method was developed to measure finasteride in hair products.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
39 citations
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January 1991 in “Oncology” High-dose vitamin A was safe and well-tolerated in a lung cancer treatment study.