84 citations
,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Natural hair dyes are safer but have limited shades and may fade with washing.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Herbal hair dye with Bhringraj is effective, safe, and eco-friendly.
32 citations
,
January 2020 in “Journal of Molecular Histology” K31 can identify clear secretory cells in human sweat glands.
A new method can quickly and accurately detect illegal chemicals in hair loss products.
19 citations
,
September 1999 in “Talanta” New method measures minoxidil concentration faster, more accurately, and automatically.
A reliable method was developed to ensure hair growth products have the right amount of active ingredients.
3 citations
,
January 2012 in “American Journal of Analytical Chemistry” A new method effectively analyzes Finasteride and its impurities, even under stress conditions.
January 2025 in “International Journal of Drug Delivery Technology” A reliable method was developed to measure Finasteride and Tadalafil together, showing they degrade under certain conditions.
9 citations
,
June 1947 in “Analytical Chemistry” Cold waving solutions quickly reduce cystine to cysteine in hair.
14 citations
,
May 2005 in “Farmaco” A method was created in 2005 to identify minoxidil, a hair growth ingredient, in products using two types of capillary zone electrophoresis, and it found that most products had about 2% minoxidil.
8 citations
,
January 2016 in “Journal of fiber science and technology” Bleaching hair increases cysteic acid levels in a predictable way.
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.
17 citations
,
January 2015 in “Pharmacognosy Research” A herbal mix, especially with Jatamansi, effectively darkens gray hair.
132 citations
,
September 2009 in “Experimental Dermatology” A reliable system was developed to distinguish hair growth stages, aiding in identifying hair growth promoters or inhibitors.
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.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” CARB is a strong barrier in human hair that prevents dye penetration.
13 citations
,
September 2017 in “Journal of Dermatological Science” Hydrogen peroxide in hair dye can cause hair loss.
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.
4 citations
,
January 2018 in “Forensic Science International” Researchers created a reliable method to detect hair-growth substances in products.
September 2022 in “bioRxiv (Cold Spring Harbor Laboratory)” A new staining method shows a special area in the hair's skin layer with lots of proteoglycans.
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.
9 citations
,
July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
November 2024 in “Journal of Investigative Dermatology”
3 citations
,
January 2006 in “Eclética Química” Three cost-effective methods accurately measure finasteride in pharmaceuticals, better than current techniques.
March 2026 in “Mendeley Data” March 2026 in “Mendeley Data”
January 2004 in “Analytical Sciences: X-ray Structure Analysis Online” The document explains how to make a compound called 3.BETA.-Benzoyloxy-4-pregnen-16.ALPHA.,17.ALPHA.-epoxy-6,20-dione and describes its crystal structure.
7 citations
,
September 2019 in “Journal of Investigative Dermatology” 2 citations
,
June 1994 in “Der Hautarzt” DNA-flowcytometry is a reliable method to evaluate hair growth in androgenetic alopecia.