April 2016 in “Annals of laboratory medicine” The method reliably profiles eicosanoids and shows epitestosterone reduces their levels, similar to common anti-inflammatory drugs.
10 citations
,
June 2001 in “International Journal of Cosmetic Science” Natural shampoos made in the lab conditioned hair better than commercial ones with chemicals.
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.
13 citations
,
October 2003 in “Clinical pediatrics” Steroid treatment greatly improved the symptoms of a boy with a rare disorder called Satoyoshi syndrome.
101 citations
,
January 2014 in “Journal of Visualized Experiments” The method effectively measures long-term stress levels using hair samples.
November 2015 in “Journal of the Korea Academia-Industrial cooperation Society” The new assay can help develop products for hair re-growth.
January 2017 in “STARS (University of Central Florida)” Steroid hormones can be preserved in ancient hair, revealing insights into past health and fertility.
June 2006 in “British Journal of Dermatology” The document reports unique growth lines in a child after Stevens-Johnson syndrome, skin reaction from parsnips and sun in a girl, and itchy skin with xanthomas in a boy with Alagille syndrome.
14 citations
,
January 2003 in “Skin Research and Technology” The new scalp coverage scoring method accurately measures hair loss and growth in men.
38 citations
,
May 2009 in “European journal of dermatology/EJD. European journal of dermatology” TrichoScan® is a reliable tool for measuring hair growth, providing quicker and more consistent results than manual methods.
October 2021 in “Dermatology practical & conceptual” A Saudi girl was diagnosed with Loose Anagen Hair Syndrome, a rare condition causing easy hair loss without scarring.
Hair can show daily calcium changes, linked to body calcium levels and influenced by hormones, and can help assess calcium metabolism issues.
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.
18 citations
,
September 1972 in “British Journal of Pharmacology” PCPA induces hypersexual behavior in male rats regardless of age or castration status.
Skin tumor cells in patients with tuberous sclerosis have higher levels of a protein called cathepsin B.
January 2026 in “http://isrctn.com/” The supplement may improve hair growth and quality in women with mild to moderate hair loss.
6 citations
,
January 2010 in “PubMed” Scalp psoriasis is linked to impaired hair growth with more hair in the resting phase.
25 citations
,
July 2013 in “Environmental Toxicology and Chemistry” Spironolactone harms fish reproduction and is more potent in fish than invertebrates, needing environmental monitoring.
47 citations
,
January 2001 in “Journal of Investigative Dermatology” High testosterone to epitestosterone ratio in hair could predict male-pattern baldness.
1 citations
,
August 2021 in “Consilium Medicum” Selencin effectively reduces hair loss and improves hair health in diffuse alopecia.
1 citations
,
February 2025 in “Scientific Reports” The method effectively analyzes skin tissue changes, especially in the arrector pili muscle and nerve fibers with hair follicles.
2 citations
,
November 2017 in “Biotechnology Letters” Researchers found four natural compounds that can change DHT levels in prostate cancer cells.
196 citations
,
May 2001 in “The journal of investigative dermatology/Journal of investigative dermatology” Sebocytes play a key role in controlling androgen levels in human skin.
November 2025 in “International Journal of Research in Medical Sciences” Titagen® improves skin, hair, nail health, and reduces osteoarthritis symptoms safely.
February 2023 in “American Journal of Biomedical and Life Sciences” Hair analysis can effectively assess nutritional status.
January 2011 in “대한피부과학회지” A 7-year-old girl was diagnosed with trichothiodystrophy due to low sulfur levels in her hair.
2 citations
,
November 1973 in “PubMed” Sulfur-35 can be used to track hair growth and past exposure.
21 citations
,
January 2010 in “International Journal of Trichology” TrichoScan often makes mistakes and needs improvement for correct hair growth analysis.
1 citations
,
October 2022 in “International journal of endocrinology” Dihydrotestosterone changes some hormone-related gene expressions in rat pituitary glands but doesn't affect the estrous cycle.
12 citations
,
January 1998 in “Endocrine journal” Saw palmetto extract can block the enzyme that converts testosterone in pig prostate cells.