74 citations
,
July 1995 in “PubMed” Lowering homocyst(e)ine levels can reverse skin and hair lightening by restoring enzyme activity needed for pigmentation.
38 citations
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October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
2 citations
,
September 1978 in “Anatomia Histologia Embryologia” Alkaline phosphatase activity in Beagle dog hair follicles is weakest in anagen and strongest in telogen.
June 1984 in “Clinical Biochemistry” Hair chromium levels might indicate chromium status and relate to glucose metabolism issues.
6 citations
,
January 2013 in “Experimental dermatology” Bimatoprost increases hair growth in mice without breaking down into other substances.
September 2025 in “Journal of Clinical Medicine” Elevated granulysin levels may indicate disease activity in vitiligo and alopecia areata.
20 citations
,
April 2014 in “Dermatologic Therapy” Sulfotransferase in hair follicles helps predict how well minoxidil works for female hair loss.
Zinc levels in hair and blood are linked to enzyme activity in people with certain skin conditions.
November 1986 in “PubMed” Women with androgenetic alopecia have lower SHBG levels.
September 2021 in “Crop research/Crop Research” Aluminum foil packaging kept the biotin nutrition bar with the least bacteria after 30 days.
6 citations
,
November 2008 in “Journal of Dermatological Science” Certain proteins involved in DNA modification may affect the genetic changes in systemic lupus erythematosus and could indicate the disease's activity.
April 2026 in “Global Journal of Health Science” Micronutrient deficiencies are common in hypothyroidism-related hair loss, so monitoring these nutrients may help manage hair health.
100 citations
,
October 1986 in “Clinical Endocrinology” Alopecia indicates more severe resistance to 1,25-dihydroxyvitamin D.
July 2023 in “Plastic and Aesthetic Nursing” Biotin and collagen may help improve hair health.
July 2025 in “Humanitarian and Natural Sciences Journal” Low vitamin D and ferritin levels may contribute to hair loss in women.
October 2022 in “International journal of dermatology and venereology” A woman's sudden hair loss was linked to azathioprine use despite normal enzyme levels, and improved after stopping the drug and starting treatment.
Baricitinib helps keep hair, eyebrows, and eyelashes regrown for 3 years in most people with severe hair loss.
April 2016 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying the anti-cancer drug Bortezomib to skin can promote hair growth and increase hair proteins through the GATA-3 factor.
1 citations
,
August 2013 in “International Conference on Alcohol, Drugs and Traffic Safety (T2013), 20th, 2013, Brisbane, Queensland, Australia” People with kidney problems have higher hair EtG levels.
July 2016 in “Journal of Dermatology and Cosmetic” Many people with hair loss have low vitamin D levels.
2 citations
,
November 1995 in “American Journal of Obstetrics and Gynecology” Taking vitamin B6 corrected a pregnant woman's metabolic disorder, which changed her hair color.
71 citations
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June 1993 in “Journal of Investigative Dermatology” 11 citations
,
January 1989 Two patients had a unique form of trichothiodystrophy with reduced high-sulfur proteins in their hair.
March 2024 in “International journal of pharmaceutical chemistry and analysis (Print)” Betulin may help treat hair loss caused by testosterone.
1 citations
,
January 2015 in “Hair therapy & transplantation” Some supplements and hormones can increase hair loss by raising DHT levels.
33 citations
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December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
64 citations
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March 2005 in “Journal of Investigative Dermatology” Brain-Derived Neurotrophic Factor (BDNF) slows down hair growth and promotes hair follicle regression.
9 citations
,
October 1946 in “Experimental biology and medicine” Rats fed soybean oil meal lost hair, but adding inositol, biotin, cystine, or methionine to their diet prevented this and improved growth.
27 citations
,
September 1994 in “The journal of investigative dermatology/Journal of investigative dermatology” Small amounts of Vitamin D3 can boost hair growth, but too much can stop it.
10 citations
,
December 2017 in “Physiological Reports” Hair follicle analysis can track body changes from high-intensity interval training.