27 citations,
April 2013 in “Reviews in endocrine and metabolic disorders” The document concludes that using LC-MS/MS for measuring androgens is more accurate than older methods, but it needs careful validation and standardized references to be most effective.
21 citations,
November 2010 in “Talanta” Researchers developed a reliable method to measure testosterone and epitestosterone in urine for medical and anti-doping use.
15 citations,
October 2016 in “Steroids” Researchers developed a new method to find substances in herbs that can block a specific enzyme linked to hair loss.
15 citations,
October 2010 in “Archives of Toxicology” A yeast-based test can detect the steroid methyltestosterone in urine longer than traditional methods.
14 citations,
June 2020 in “Drug Testing and Analysis” A new method was created to measure metformin in hair, showing potential for monitoring treatment and medical investigations.
11 citations,
November 2001 in “Journal of Chromatography B: Biomedical Sciences and Applications” Finasteride and analogues separated using LC-MS-MS technique.
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.
3 citations,
July 2019 in “Experimental Dermatology” Hair loss patients may have different polyamine levels in various scalp areas.
1 citations,
June 2020 in “Journal of AOAC INTERNATIONAL” Two new methods accurately measure Aminexil, Pyridoxine, and Niacinamide in hair products.
December 2023 in “Annals of phytomedicine” Dutasteride is more effective than finasteride for hair loss treatment.
May 1995 in “Journal of Investigative Dermatology” Researchers developed a new way to measure gene activity in single hair follicles and found that a specific gene's activity changes with different amounts and times of treatment.
76 citations,
February 2015 in “Industrial Crops and Products” Researchers found over 40 compounds in Bituminaria bituminosa, including many flavonoids and some with potential for medical and hair care uses.
24 citations,
January 1989 in “Archives of biochemistry and biophysics” Male rats have androgen receptors in their liver, which are different from proteins that bind estrogen.
17 citations,
December 2002 in “Biochemical and biophysical research communications” Scientists found out how a specific protein in human hair cuticles behaves and is structured.
12 citations,
April 2016 in “Chinese Medicine” The research identified 12 antioxidant compounds in Polygonum multiflorum roots, suggesting these as quality markers for the plant's processed roots.
7 citations,
April 2018 in “Cosmetics” Lipids in Japanese hair help maintain glossiness and structure.
6 citations,
September 2014 in “Food Additives & Contaminants: Part A” New method effectively detects illegal hormones in anti-aging foods.
4 citations,
January 2016 in “Journal of analytical & bioanalytical techniques” The herbal hair gel could be a safe hair growth treatment with minimal side effects.
4 citations,
January 2013 in “Dissolution Technologies” A method was developed to test the breakdown of Finasteride capsules, showing it can tell the difference between different brands and highlighting the need for standard tests and ingredient consistency.
1 citations,
March 2019 in “Journal of AOAC INTERNATIONAL” New method quickly and accurately measures dexpanthenol in hair products.
1 citations,
October 2017 in “Food Additives & Contaminants: Part A” A new minoxidil-like substance, triaminodil, was found in an illegal hair growth supplement.
October 2022 in “Research Square (Research Square)” The conclusion is that certain chemicals from Bacillus subtilis help improve plant root growth through a hormone-related process.
13 citations,
May 2006 in “Analytical Biochemistry” New method accurately measures finasteride in tablets.
7 citations,
February 2014 in “Talanta” Researchers developed a method to identify and analyze cyclosporin compounds and their structures effectively.
3 citations,
November 2014 in “Protein Expression and Purification” Scientists successfully purified a protein called Wnt3a, which is involved in processes like hair growth, but the overall yield was low, suggesting more work is needed to improve this.
29 citations,
September 1990 in “Biochemical Journal” Enzyme purified and characterized for minoxidil sulphation in rat liver.
23 citations,
June 2015 in “Clinica Chimica Acta” Researchers found potential urine markers for polycystic ovary syndrome, including testosterone-glucuronide and 11α-hydroxyprogesterone, which may help diagnose the condition.
20 citations,
December 2011 in “Journal of inherited metabolic disease” Valproic acid treatment increases a specific acid in urine by blocking an enzyme, possibly causing skin rash and hair loss.
1 citations,
September 2016 in “Acta Chromatographica” Created method to measure doxazosin mesylate and finasteride together.
4 citations,
January 2014 in “RSC Advances” A new, less toxic and more efficient method to create the anti-baldness compound RU58841 was developed in 2014.