9 citations
,
January 1999 in “Journal of Liquid Chromatography & Related Technologies” Best results found using acetonitrile, water, and trifluoroacetic acid or methanol mixture.
6 citations
,
July 2005 in “Farmaco” A quick and simple method was created to identify minoxidil in hair-growth products using micellar electrokinetic capillary chromatography.
3 citations
,
May 2014 in “PubMed” The method accurately measures finasteride in skin after using special carriers.
March 2026 in “Mendeley Data” March 2026 in “Mendeley Data”
45 citations
,
June 2008 in “Journal of pharmaceutical and biomedical analysis” The method effectively identifies banned substances in hair loss and skin disease cosmetics.
January 2015 in “CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION)” A new method accurately measures plant ingredients in hair growth products.
January 2020 in “International Journal of Research in Pharmacy and Chemistry” A reliable method was created to measure dutasteride and related molecules in capsules.
November 2025 in “International Journal of Science and Research Archive” Oxidative dyes damage hair more than semi-permanent dyes, but new technologies help protect hair while coloring.
August 2022 in “Zenodo (CERN European Organization for Nuclear Research)” The herbal hair dye effectively provides a natural reddish-brown color without synthetic chemicals.
84 citations
,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
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.
November 2025 in “OPAL (Open@LaTrobe) (La Trobe University)” DAB labeling effectively identifies collagen type III and PDGFR in horse skin, but may show false positives.
50 citations
,
August 1972 in “Archives of Environmental Health An International Journal” Cadmium sticks to hair differently for each person, and strong acid can mostly remove it.
January 2026 in “SSRN Electronic Journal” Riboflavin with blue light speeds up hair dyeing, making it faster, safer, and long-lasting with less hair damage.
15 citations
,
July 2009 in “Biomedical Chromatography” A reliable method was developed to measure aristolochic acid-I in rat blood.
17 citations
,
January 2015 in “Pharmacognosy Research” A herbal mix, especially with Jatamansi, effectively darkens gray hair.
6 citations
,
May 2003 in “PubMed” Small amounts of DNA can be found in the hair shaft, especially near the root, but it decreases with hair treatments and washing.
8 citations
,
January 2018 in “Journal of Analytical Methods in Chemistry” A new method accurately measures a drug in skin for cancer therapy research.
March 2007 in “The FASEB Journal” Henna mixed with PPD can cause skin reactions, scarring, and a specific type of baldness, and needs more research to understand these effects.
January 2016 in “International journal of advanced research in chemical sciences” A new method using NBD-CL can accurately and precisely measure finasteride in medicine, and could be used regularly for quality control in the industry.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.
22 citations
,
July 2010 in “Drug Testing and Analysis” A quick method was developed to detect banned substances in urine for doping control.
January 2010 in “Nihon Hou Kagaku Gijutsu Gakkaishi” The modified staining method can determine the ABO blood group of hair samples accurately.
3 citations
,
January 2006 in “Eclética Química” Three cost-effective methods accurately measure finasteride in pharmaceuticals, better than current techniques.
19 citations
,
September 1999 in “Talanta” New method measures minoxidil concentration faster, more accurately, and automatically.
1 citations
,
August 1999 in “ACS symposium series” Polymer JR400 sticks to hair but washes off with detergent.
January 2004 in “Drug Development and Industrial Pharmacy” GI197111X is best dissolved in Capmul MCM for trials.
3 citations
,
April 2023 in “Research Journal of Pharmacy and Technology” Calendula Officinalis extract can be used to create an effective natural hair dye.
August 2022 in “Dermatologic Therapy”