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August 2000 in “Il Farmaco” Men have more tryptophan in their hair than women, and it increases with age and is higher in darker and grey or white hair.
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April 1992 in “Clinical Endocrinology” Having enough iron improves the effectiveness of a specific hair loss treatment in women.
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June 2022 in “British Journal of Dermatology” A SALT score of ≤ 20 indicates meaningful improvement in alopecia areata treatment.
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January 2011 in “Annals of Dermatology” ALA-photodynamic therapy helps reduce acne by causing acne cell death and lowering certain skin protein levels.
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January 2018 in “International Journal of Trichology” Low levels of iron, copper, and calcium may contribute to premature hair graying.
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March 1984 in “Journal of steroid biochemistry/Journal of Steroid Biochemistry” Cyproterone acetate effectively reduced hair growth in hirsute patients by lowering androgen levels and altering androgen metabolism.
January 2024 in “Brazilian Journal of Hair Health” Combining low-level laser therapy with topical corticosteroids effectively improved Lichen Planopilaris symptoms.
December 1951 in “Journal of the American Medical Association” Propylthiouracil treatment can cause hair loss.
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October 2017 in “Acta Dermato Venereologica” Understanding patients' views on their illness can help improve their disease management.
February 2023 in “American Journal of Biomedical and Life Sciences” Hair analysis can effectively assess nutritional status.
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February 2004 in “Environmental Health Perspectives” Control variability makes it hard to confirm low-dose endocrine effects.
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April 2008 in “Progrès en Urologie” Systematic end-of-trial biopsies are the most reliable way to assess outcomes.
July 2023 in “Dermatology practical & conceptual” Low hemoglobin levels are significantly correlated with hair loss in women with Telogen Effluvium.
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November 2022 in “Toxics” The method accurately measures 19 steroid hormones in human blood and urine using a small sample and is suitable for large-scale monitoring.
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April 2024 in “ACS Chemical Neuroscience” A new method accurately measures nine neuroactive steroids in small blood samples, helping to study brain diseases.
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April 1990 in “The Journal of Clinical Endocrinology & Metabolism” The ovary mainly causes high testosterone in PCO, while the adrenal gland is the main source in IH.
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August 2020 in “Journal of The American Academy of Dermatology” The document sets guidelines to standardize reporting of PRP clinical trials for better reproducibility and comparability.
Low level laser or LED therapy combined with infiltrations may help hair growth.
January 2003 in “Pharmaceutical Journal of Chinese People's Liberation Army” The method accurately measures finasteride tablet dissolution.
June 2025 in “Journal of Kufa for Chemical Sciences” Higher adrenaline and prolactin levels may indicate stress-related alopecia areata in adults.
June 2023 in “Journal of Liaquat University of Medical & Health Sciences” Higher PSA levels are linked to more hirsutism in women with PCOS.
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December 1998 in “The journal of investigative dermatology/Journal of investigative dermatology” K6hf is a unique protein found only in a specific layer of hair follicles.
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May 2020 in “Acta pharmaceutica” Protocatechuic acid can reduce melanin production and boost antioxidant activity in hair follicles.
December 2025 in “Frontiers in Nutrition” The albumin change rate helps predict treatment success in AIDS-related non-Hodgkin lymphoma.
March 2007 in “The FASEB Journal” Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
July 2019 in “Journal of The American Academy of Dermatology” Lab tests for female hair loss have unclear usefulness; consider based on symptoms.
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January 2004 in “Biochimie” Arsenic trioxide effectively treats APL, improving survival rates despite its toxicity.
April 2019 in “The Journal of Urology” Some common medications can lower PSA levels in 45-year-old German men.
October 2012 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Thymic peptides can either promote or inhibit human hair growth.
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December 1992 in “Journal of Cutaneous Pathology” Skin tumors and normal skin structures have different lectin-binding patterns.