September 2017 in “Journal of Investigative Dermatology” Hair care products used for 4 weeks made hair smoother.
December 2023 in “International Journal of Medical Sciences And Clinical Research” Dermoscopy is a useful tool for diagnosing female pattern hair loss.
25 citations
,
April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels show past nutritional status, not environmental exposure.
33 citations
,
January 2017 in “Conservation physiology” Measuring reproductive hormones in brown bear hair could help identify their sex and reproductive state, but better collection methods or lab techniques are needed.
1 citations
,
September 2017 in “Journal of Investigative Dermatology” Hair care products reduced hair roughness, a combination of Stemoxydine and Resveratrol increased hair density, fermented mackerel oil promoted hair growth, and genes TERT and Bmi-1 helped create new hair follicles.
September 2023 in “Journal of the American Academy of Dermatology” Current guidelines may overlook beard and sideburn involvement in diagnosing frontal fibrosing alopecia in men.
16 citations
,
January 2002 in “Dermatology” Early baldness is noticed due to both reduced hair density and thinner hair shafts.
May 2026 in “Theranostics” 49 citations
,
January 2009 in “The Journal of Clinical Endocrinology & Metabolism” DHEA treatment helps grow pubic hair and boosts mood in girls with adrenal issues.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Researchers made a detailed map of gene activity for different parts of human hair follicles to help create targeted hair disorder treatments.
January 2026 in “Frontiers in biomedical technologies” DHT causes thicker and less elastic skin, linked to hair loss.
November 2025 in “Communications Biology” Human hair contains many different molecules that change along its length, influenced by personal care products.
1 citations
,
January 2003 in “Dermatology” Finasteride's effectiveness measured by observing hair cortex changes using a cheap and easy method.
9 citations
,
February 2004 in “Veterinary Dermatology” Canine hair follicle cells metabolize DHEA and testosterone differently than human cells.
December 2019 in “Periodicals of Engineering and Natural Sciences (PEN)” Hair analysis can provide insights into a person's medical history and location over time.
June 2026 in “Mendeley Data” The database helps companies develop and understand hair loss treatments.
June 2026 in “Mendeley Data” The database helps companies develop and understand hair loss treatments.
1 citations
,
December 2025 in “Selçuk tıp dergisi/Selçuk Üniversitesi Tıp Fakültesi dergisi” Lower 2D:4D finger ratios in HS patients suggest prenatal hormone influence on the disease.
January 2004 in “Weiliang yuansu yu jiankang yanjiu” Diabetics have lower chromium, manganese, and copper, but higher iron in their hair.
December 2019 in “bioRxiv (Cold Spring Harbor Laboratory)” Redheaded people have higher levels of a vitamin D precursor, suggesting red hair may be an adaptation for better vitamin D synthesis in areas with less sunlight.
July 2023 in “Current Developments in Nutrition”
11 citations
,
August 2000 in “Journal of Endocrinology” DHEA acts like a male hormone on rat skin glands and doesn't turn into female hormones there.
June 1984 in “Clinical Biochemistry” Hair chromium levels might indicate chromium status and relate to glucose metabolism issues.
237 citations
,
September 2018 in “Clinical Biochemistry” Hair cortisol analysis can help diagnose stress-related conditions but needs more refinement for widespread use.
33 citations
,
December 1999 in “Journal of Investigative Dermatology Symposium Proceedings” 1 citations
,
October 1996 in “Dermatologic clinics” Adiponectin reduces inflammation and bone loss in joint replacements.
4 citations
,
November 2020 in “BMC Dermatology” Researchers identified genes in scalp hair follicles that may affect hair traits and hair loss.
13 citations
,
November 2010 in “Experimental Dermatology” Vitamin C derivative reduces hair loss-related protein in cells.
23 citations
,
October 2008 in “Experimental and Clinical Endocrinology & Diabetes” Hair can show increased cortisol levels during late pregnancy.
October 2022 in “Benha Journal of Applied Sciences” Human Beta Defensin 1 levels do not predict the risk or severity of Alopecia Areata.