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.
Using scalp stem cells can improve hair transplants.
Good nutrition may help prevent premature hair graying.
January 2023 in “Advances in pharmacology and clinical trials” Human hair is a significant sample for various tests in clinical, nutritional, archaeological, and forensic studies.
7 citations,
February 2021 in “Legal Medicine” Hair analysis showed very high metformin levels in two fatal overdose cases, suggesting it's useful in forensics but sweat may affect results.
1 citations,
January 2023 in “International journal of all research education and scientific methods” Hair analysis is better than urine and blood for detecting past drug use.
April 2024 in “Frontiers in physiology” Immune cells are crucial for hair growth and preventing hair loss.
12 citations,
March 2019 in “Lasers in Surgery and Medicine” Low-level laser therapy improves hair growth and dermal papilla cell function.
44 citations,
November 2018 in “Journal of applied ecology” Hair analysis for stress and reproductive hormones in wildlife needs more research for accuracy across species.
32 citations,
January 2017 in “Physiology & Behavior” New hair growth corticosterone levels are higher in diabetic mice, indicating long-term stress.
7 citations,
April 2022 in “Journal of pharmaceutical and biomedical analysis” The method can measure multiple steroids in human hair to study long-term steroid metabolism, especially in newborns and children.
110 citations,
July 2017 in “Immunology” Skin's Regulatory T cells are crucial for maintaining skin health and could be targeted to treat immune-related skin diseases and cancer.
48 citations,
May 2013 in “Canadian Medical Association Journal” Primary cicatricial alopecia, a rare disorder causing permanent hair loss, is hard to diagnose and treat, with treatments like anti-inflammatory drugs and steroids offering varied results and no guaranteed cure. Psychological support for patients is important, and future research should aim to identify causes of the condition.
2 citations,
September 2022 in “Frontiers in Immunology” T-regulatory cells are important for skin health and can affect hair growth and reduce skin inflammation.
2 citations,
November 2017 in “Food Additives & Contaminants: Part A” The new method accurately detects illegal hair-growth drugs in dietary supplements.
June 2023 in “Journal of chemical metrology” A new method found unlisted drugs in two popular hair serums, posing a health risk.
January 2018 in “Food Additives and Contaminants Part A-chemistry Analysis Control Exposure & Risk Assessment” Researchers developed a precise method to detect illegal hair-growth drugs in dietary supplements.
18 citations,
February 2020 in “Journal of pharmaceutical and biomedical analysis” The method accurately measures hormones and endocannabinoids in mice, showing gut microbiota diversity affects these levels and may influence stress and reproductive systems.
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.
Sansevieria trifasciata Prain shows promise for treating hair loss by inhibiting androgen receptors.
11 citations,
April 2013 in “Journal of Proteomics” Found different proteins in balding and non-balding cells, giving insight into hair loss causes.
1 citations,
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Body hair can be used to test for alcohol intake, especially in men.
Researchers developed a method to identify and measure different animal hair fibers in textiles, successfully distinguishing materials like cashmere from cheaper fibers.
27 citations,
July 2001 in “Journal of Pharmaceutical and Biomedical Analysis” Finasteride remains stable for two years with proper storage.
18 citations,
April 2009 in “Journal of Chromatography A” Detecting steroid esters in cattle hair is inconsistent and influenced by sampling factors.
10 citations,
January 2014 in “Chemical and Pharmaceutical Bulletin” Ethanol pretreatment affects drug penetration through skin and hair follicles.
6 citations,
April 2017 in “JAMA Dermatology” Men's hair loss is not linked to their sex hormone levels, except for lower DHEAS in those with hair loss.
3 citations,
October 2021 in “Clinica Chimica Acta” Hormone levels in hair vary across the head, with the highest concentration of a key hormone linked to hair loss at the top.
June 2024 in “International Journal of Cosmetic Science” Plant oils like coconut, camellia, and safflower can penetrate hair, making it stronger and softer.
May 2023 in “Frontiers in chemistry” Zolpidem shows up in hair from the top back of the head after one dose and fades over time, suggesting it gets into hair through blood and sweat.