September 2010 in “European Urology Supplements” Higher urethral PSA levels after prostate removal surgery may be linked to more hair loss and higher PSA levels post-surgery.
38 citations
,
March 1997 in “Journal of interferon & cytokine research” IL-1β inhibits human hair follicle growth.
20 citations
,
January 2009 in “Chemical Papers” Both HPSAM and PLS methods accurately measure minoxidil and tretinoin concentrations.
4 citations
,
January 2024 in “Allergy” Everyone has an immune response to PPD, but reactions differ, causing tolerance, mild inflammation, or allergy.
16 citations
,
December 2017 in “Journal of The American Academy of Dermatology” Low-level laser therapy may reduce symptoms and increase hair thickness in lichen planopilaris patients.
4 citations
,
May 2021 in “Molecules” The hair test for vitamin D could be a useful alternative to blood tests, providing a longer-term vitamin D status, but more research is needed.
July 2018 in “Hair transplant forum international” Different PRP systems produce varying levels of platelet concentrations.
50 citations
,
May 1985 in “The journal of pediatrics/The Journal of pediatrics” Biotin deficiency in patients on total parenteral nutrition can cause serious symptoms but can be treated with biotin supplements.
1 citations
,
January 2021 Non-invasive methods can effectively monitor skin inflammation and cancer biomarkers.
November 2025 in “Biological Trace Element Research” Hair mineral analysis doesn't reliably show blood mineral levels but may help track long-term mineral trends.
15 citations
,
January 1971 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Hair analysis can't determine ponies' calcium and phosphorus levels; use soil and feed tests instead.
January 2025 in “Fìzìologìčnij žurnal” PDRN may reduce inflammation and complications in revision rhinoplasty for patients with high fibrinogen levels.
4 citations
,
December 2018 in “Macedonian Journal of Chemistry and Chemical Engineering” A new method accurately measures amino acids in treated hair, showing bleaching reduces amino acids while protein treatments increase them.
28 citations
,
July 2022 in “Endocrine” Low prolactin in young women may increase heart and metabolism risks.
February 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Hirsutism and acne indicate high androgen levels in women with PCOS, suggesting early treatment can help.
1 citations
,
April 2022 in “Dermatologic Surgery” The Progressive Loss Risk Scale is a system that shows the long-term risks of hair restoration surgery, which can change based on factors like age and transplant area.
May 2017 in “Journal of The American Academy of Dermatology” PLAU and SerpinB2 affect cell death differently in various forms of leprosy and could be targets for new treatments.
September 2021 in “Ukraïnsʹkij žurnal medicini, bìologìï ta sportu” PRP treatment reduces inflammation and increases interleukin-10 in alopecia areata patients.
February 2021 in “International Journal of Science and Research (IJSR)” A higher testosterone/dihydrotestosterone ratio in PCOS patients may indicate worse metabolic health.
April 2008 in “Progrès en Urologie” December 2020 in “The Medical journal of Basrah University” Low vitamin D levels may contribute to female pattern hair loss.
823 citations
,
February 1998 in “Analytical Chemistry” Method detects finasteride in plasma at very low concentrations.
46 citations
,
November 2014 in “The Journal of Clinical Endocrinology & Metabolism” Men with isolated hypogonadotropic hypogonadism have partial steroid deficiencies, while those with panhypopituitarism have severe deficiencies.
7 citations
,
January 2022 in “Case Reports in Endocrinology” Ovarian hyperthecosis can cause symptoms even with normal testosterone levels, and surgery can improve these symptoms.
January 2003 in “The Chinese Journal of Clinical Pharmacology” The method accurately measures finasteride in plasma and is suitable for clinical use.
13 citations
,
August 2000 in “Blood” Measuring minimal residual disease on day 15 helps identify high-risk leukemia patients.
January 2005 in “The Chinese Journal of Dermatovenereology” High fluoride increases damage in hair follicles, but low selenium can reduce this damage at lower fluoride levels.
3 citations
,
February 2002 Low phosphorus increases root hair growth in plants, partly independent of ethylene.
September 2024 in “Journal of the American Academy of Dermatology” Dermatologists can detect smaller hair density changes than previously thought.
114 citations
,
April 2004 in “International Journal of Dermatology” Postinflammatory hyperpigmentation causes dark skin patches and needs personalized treatment.