September 2024 in “Actas Dermo-Sifiliográficas” Trichodynia is a painful scalp condition linked to hair loss and mental health issues, with limited treatment options.
11 citations
,
September 2011 in “Biochemical journal” Neurotrophin-4 increases calcium current in specific mouse neurons through the PI3K pathway.
66 citations
,
January 1987 in “Journal of Investigative Dermatology” Coal tar shampoo increases enzyme activity in hair follicles, enhancing carcinogen binding to DNA.
1 citations
,
July 2021 in “Forensic science international” Both a lock of hair and a single hair strand can show chronic drug use, but at least six single hairs are needed for accurate results.
32 citations
,
February 2024 in “Growth Hormone & IGF Research” Dihydrotestosterone (DHT) stops hair growth in mice by lowering a growth factor important for hair.
19 citations
,
April 2015 in “European Journal of Pharmacology” Dihydrotestosterone (DHT) doesn't affect rat skin cell growth, but it does change cell cycle, protein levels, and other cell functions, potentially shortening hair growth cycle.
25 citations
,
July 2006 in “Journal of Neurochemistry” Progesterone affects GABAA receptor function by altering δ subunit levels.
January 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Semecarpus anacardium leaf extracts may offer safe, effective cancer treatment alternatives.
8 citations
,
July 2018 in “Analytical sciences” Using 5-butylpicolinate esters improves the sensitivity and reliability of detecting testosterone and dihydrotestosterone in saliva.
May 2023 in “Jurnal farmasi sains dan praktis” The hair tonic with cinnamon oil and coconut oil was stable and caused very mild irritation.
2 citations
,
November 2024 in “JCEM Case Reports” Inhaled substances in e-cigarettes can cause hormone imbalances similar to congenital adrenal hyperplasia.
May 2024 in “Knowable Magazine” CBD might help pets with pain, itching, and seizures, but results are mixed and more research is needed.
April 2017 in “Annales de Toxicologie Analytique” Hair analysis is crucial for diagnosing, managing, and monitoring addiction.
2 citations
,
August 2010 in “Journal of Scientific Research” The study found specific shape, size, and cellular details of Tridax procumbens leaves that can help identify the plant.
3 citations
,
July 2013 in “Bioscience, Biotechnology, and Biochemistry” Chinese black tea extract helped mice grow hair, especially when combined with capsaicin.
2 citations
,
June 2025 in “Drug Testing and Analysis” The method effectively detects MeT and TP in dried blood spots after cream application.
15 citations
,
July 1998 in “PubMed” Fentanyl accumulates differently in hair from internal use compared to external exposure.
October 2025 in “Diagnostics” Temporal triangular alopecia is a harmless, non-progressive hair loss condition.
March 2026 in “World Journal of Biology Pharmacy and Health Sciences” The polyherbal hair oil is stable, cosmetically acceptable, and a potential natural alternative to synthetic hair products.
1 citations
,
January 1980 in “Acta Dermato Venereologica” Oral tetracycline reduces fat breakdown in hair lipids.
49 citations
,
April 1997 in “Human reproduction” Hormone therapy for excessive hair growth is as good with GnRHa as with high-dose CPA, but GnRHa has longer-lasting results.
January 2015 in “Journal of clinical & experimental dermatology research” A protein combining parathyroid hormone and collagen helped hair regrow in mice with a hair loss condition.
4 citations
,
September 1999 in “Journal of Clinical Forensic Medicine” Caffeine in hair might help identify people, but it's not always reliable.
2 citations
,
December 2008 in “Journal of Chemical Crystallography” The research shows that hydrogen bonds greatly affect the crystal structure of a Finasteride derivative.
2 citations
,
June 2020 in “AIDS” Recreational drug use can cause misdiagnosed conditions and drug interactions in HIV patients.
January 2026 in “Clinical Chemistry and Laboratory Medicine (CCLM)” The procedure accurately measures 5-alpha-dihydrotestosterone in blood, useful for standard tests.
26 citations
,
October 2007 in “Experimental Dermatology” L-Carnitine-L-tartrate may help hair grow and prevent hair loss.
7 citations
,
January 2010 in “Pharmacognosy Research” The tobacco leaf extract may help hair grow and could treat hair loss.
3 citations
,
December 2019 in “International Journal of Pharmacology” The ethanol extract of Poria cocos helps skin cells to grow.
5 citations
,
January 2012 in “Biological & Pharmaceutical Bulletin” Hura crepitans and its compound daphne factor F3 may help treat hair loss by blocking a specific hair growth inhibitor.