May 2025 in “Afyon Kocatepe University Journal of Sciences and Engineering” The treatment process effectively removes many pollutants from cosmetics wastewater, but more research is needed to improve it.
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.
10 citations
,
June 2001 in “International Journal of Cosmetic Science” Natural shampoos made in the lab conditioned hair better than commercial ones with chemicals.
November 2004 in “Qucosa (Saxon State and University Library Dresden)” Active agents mainly stay on the hair surface after short washes.
July 2025 in “Agroindustrial Technology Journal” The 2% rosemary oil shampoo was the best overall.
1 citations
,
February 2014 in “Analytical Letters” The method accurately measures the amount of ketoconazole in anti-dandruff shampoo and cream, and can also be used to monitor the drug in human plasma.
5 citations
,
February 2013 in “Journal of Liquid Chromatography & Related Technologies” Method accurately measures finasteride concentration in medicine.
11 citations
,
June 2013 in “Journal of Chemical Education” Minoxidil detects nitrite in water, creating a simple, cheap test.
Urtica laetevirens extract significantly reduces 5α-reductase activity.
January 2011 in “Journal of Jiangnan University” A reliable method was developed to measure minoxidil in hair products.
September 2023 in “Animals” Genes linked to wool fineness in sheep have been identified.
21 citations
,
January 2008 in “Talanta” New, cheaper method measures finasteride in tablets accurately and quickly.
2 citations
,
January 2012 in “Journal of The Chilean Chemical Society” New method accurately measures finasteride in tablets and bulk.
36 citations
,
October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
1 citations
,
June 2020 in “Journal of AOAC INTERNATIONAL” Two new methods accurately measure Aminexil, Pyridoxine, and Niacinamide in hair products.
May 2010 in “International Journal of Cosmetic Science” Mercaptans make hair more prone to damage, with reduced hair being more affected than permed hair.
May 2026 in “Applied In Vitro Toxicology” A new lab method helps assess respiratory risks of hair product aerosols without animal testing.
December 1991 in “Employment relations today” Hair follicle testing is more reliable and effective for drug screening than urinalysis.
15 citations
,
July 2009 in “Biomedical Chromatography” A reliable method was developed to measure aristolochic acid-I in rat blood.
September 2024 in “International Journal of Applied Pharmaceutics” A reliable method was developed to measure Finasteride and Tadalafil in rat blood.
9 citations
,
March 2005 in “International Journal of Cosmetic Science” The torsional method effectively evaluates hair damage and the performance of hair care ingredients.
2 citations
,
September 2018 in “Journal of Separation Science” PSI-MS quickly and accurately measures finasteride in tablets, helping with quality control.
17 citations
,
August 1979 in “Journal of The American Academy of Dermatology” A new staining method helps tell growing from resting hairs to diagnose hair loss.
20 citations
,
August 2014 in “Talanta” The method effectively measures drug impact on DHT levels in prostate treatments.
January 2015 in “CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION)” A new method accurately measures plant ingredients in hair growth products.
67 citations
,
May 2013 in “Therapeutic drug monitoring” Wait 4-5 weeks after drug use before hair testing and cut hair into three segments to confirm single drug exposure.
10 citations
,
August 2021 in “Cosmetics” The best shampoo formula used 1% high-weight hyaluronic acid, 10% acidic sophorolipid, and 1% salt for effective hair conditioning and cleansing without sulfates or silicones.
February 2010 in “Journal of the American Academy of Dermatology” The shampoo and conditioner improved dry, damaged hair significantly after three uses.
January 2007 in “Chinese Journal of Analysis Laboratory” The method accurately measures dichloromethane and chloroform in finasteride.
January 2016 in “Huanjing yu Jiankang Zazhi”