September 2025 in “Cosmoderma” Pandemic stress worsens hair loss and skin issues, suggesting combined mental and skin care treatments.
May 2023 in “Animal Reproduction Update” High levels of cortisol in hair show long-term stress which can lower fertility in animals.
October 2022 in “Linköping University medical dissertations” The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
February 2024 in “Psychoneuroendocrinology” Mothers with lower stress during pregnancy but higher stress after birth had infants with lower development scores.
May 2023 in “General and comparative endocrinology” Monkey hair cortisol levels are not affected by how fast their hair grows.
January 2018 in “Belarusian State Pedagogical University repository (Belarusian State Pedagogical University)” Stress might trigger hair loss in alopecia areata, but more research is needed.
October 2023 in “Acta dermato-venereologica (Print)” People with severe hair loss have lower zinc levels in their blood.
February 2021 in “Austin journal of nutrition & metabolism” Appropriate zinc levels may help prevent hair loss in university students.
54 citations
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January 2012 in “Vitamins & Trace Elements” People with Alopecia Areata have lower vitamin D levels.
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.
34 citations
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October 1982 in “Journal of applied polymer science” Moisture content significantly affects how human hair breaks.
30 citations
,
April 2011 in “Rapid communications in mass spectrometry/RCM. Rapid communications in mass spectrometry” Analyzing hair with this method can help understand and monitor scalp conditions and treatment effects.
23 citations
,
July 1989 in “Postgraduate medical journal” Spironolactone did not make hair thinner in women with excess hair growth.
18 citations
,
October 2016 in “European Journal of Pharmaceutics and Biopharmaceutics” The drug was successfully released into hair follicles using nanocarriers.
4 citations
,
July 2016 in “Dermatologic Surgery” Higher epinephrine concentration and specific injection sites increase scalp vasoconstriction time.
January 2024 in “Biomedicines” Using stem cells from hair follicles to treat female hair loss is safe and effective after six months.
July 2014 in “Zenodo (CERN European Organization for Nuclear Research)” Imbalances in magnesium and calcium are linked to health and behavior issues.
Bitter melon leaves extract, especially at 10% concentration, promotes hair growth effectively.
November 2023 in “Journal of Basic Microbiology” Green-synthesized zinc oxide nanoparticles effectively inhibit common fungi found on human scalp hair.
April 2020 in “Research Square (Research Square)” Melatonin treatment improved cashmere production in goats for one cycle without lasting effects on the next cycle.
February 2026 in “TURKISH JOURNAL OF VETERINARY AND ANIMAL SCIENCES” Hair cortisol is better than blood cortisol for measuring long-term stress in pregnant goats.
18 citations
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May 1992 in “American Journal of Biological Anthropology” Higher androgen levels do not cause baldness in men.
50 citations
,
July 2015 in “Journal of the American Academy of Dermatology” Using 2.5 mg/mL triamcinolone acetonide is effective for hair growth in alopecia areata with fewer side effects.
22 citations
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August 2015 in “PloS one” Keratin from hair binds well to gold and BMP-2, useful for bone repair.
19 citations
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April 2020 in “Journal of the American Academy of Dermatology” 5 mg/mL of triamcinolone acetonide is most effective for hair regrowth with fewer side effects.
4 citations
,
July 2022 in “Clinical and Experimental Dermatology” Using more than 5% minoxidil can help hair growth more, but results vary and side effects may increase.
3 citations
,
April 2018 in “JURNAL ILMU KEFARMASIAN INDONESIA” Ambon banana weevil extracts can be used in hair care products to promote hair growth.
November 2025 in “Archives of Dermatological Research” Using a higher concentration of triamcinolone acetonide leads to faster hair regrowth in scalp patchy alopecia areata.
October 2025 in “Indian Dermatology Online Journal” 2.5 mg/ml of triamcinolone acetonide is more effective for treating alopecia areata.
September 2025 in “Tạp chí Da liễu học Việt Nam” 2.5 mg/mL TAC is as effective and safe as 5 mg/mL, but 5 mg/mL may improve hair regrowth and density more.