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.
January 2023 in “Han'gug mi'saengmul saengmyeong gong haghoeji/Han-guk misaengmul saengmyeong gonghak hoeji” NOC-4 extract promotes black hair and hair growth effectively.
December 2014 in “Bali Medical Journal” Females have higher estrogen receptor levels in hair than males, and these levels decrease in white hair compared to black hair.
176 citations,
August 2000 in “The Journal of clinical endocrinology and metabolism/Journal of clinical endocrinology & metabolism” Hormone treatments in transsexual individuals reduce hair growth and oil production in male-to-females and increase them in female-to-males.
143 citations,
August 1991 in “Endocrinology” Androgens, like testosterone, are crucial for early testicular descent in rats.
122 citations,
July 2005 in “The FASEB journal” Hair follicles produce and respond to melatonin, affecting hair growth and sensitivity to estrogen.
76 citations,
March 2019 in “Nanoscale” Created material boosts hair growth and kills bacteria for wound healing.
70 citations,
December 2004 in “Differentiation” The study identified and characterized new keratin genes linked to hair follicles and epithelial tissues.
69 citations,
August 1999 in “Developmental biology” The nude gene causes skin cell overgrowth and improper development, leading to hair and urinary issues.
65 citations,
August 2013 in “Tissue Engineering Part B-reviews” Hair follicle stem cells are a promising source for tissue repair and treating skin or hair diseases.
62 citations,
October 2010 in “Journal of biomedical nanotechnology” Nanoparticles can enter the skin, potentially causing toxicity, especially in damaged skin.
61 citations,
September 2010 in “Fitoterapia” Extracts from Tridax procumbens L. have strong anti-inflammatory and antioxidant effects and block inflammation-causing enzymes.
57 citations,
July 2005 in “Genetics” Key genes are crucial for Drosophila wing development and could be insecticide targets.
53 citations,
March 2014 in “Growth Hormone & IGF Research” IGF-1 injections help mice grow more hair by increasing cell growth and blocking a hair growth inhibitor.
49 citations,
October 2017 in “Nutrients” Equisetum debile extract, especially the ethyl acetate type, may be a promising natural ingredient for anti-hair loss products.
46 citations,
August 2003 in “The journal of investigative dermatology/Journal of investigative dermatology” Phosphatidic acid may help hair grow by affecting cell growth pathways.
44 citations,
July 1990 in “Journal of the American College of Cardiology” Captopril reduces heart mass, while minoxidil has opposite effects and side effects.
40 citations,
June 2013 in “Molecular Pharmaceutics” The gelatin/β-TCP scaffold with nanoparticles improves wound healing and skin regeneration.
39 citations,
August 2008 in “Growth hormone & IGF research” Raspberry ketone may help grow hair and improve skin elasticity.
37 citations,
April 2010 in “FEBS Letters” The study concludes that the EDA2R gene is activated by p53 during chemotherapy but is not necessary for chemotherapy-induced hair loss.
33 citations,
August 2017 in “Developmental Biology” Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.
33 citations,
December 2004 in “Differentiation” Mouse amnion can turn into skin and hair follicles with help from certain cells and factors.
30 citations,
November 2018 in “EMBO Reports” The Ovol2-Zeb1 circuit is crucial for skin healing and hair growth by guiding cell movement and growth.
28 citations,
March 2017 in “Endocrinology” Removing vitamin D and calcium receptors in mice skin cells slows down skin wound healing.
25 citations,
March 2017 in “Steroids” Allopregnanolone increases growth and changes gene activity in human brain cancer cells.
25 citations,
January 2016 in “Journal of Ethnopharmacology” Certain Chinese herbs, especially Cacumen platycladi, can promote hair regrowth and reduce hair loss-related hormone levels in mice.
25 citations,
September 2014 in “Biological Research” Arctiin helps protect hair cells from damage and death caused by oxidative stress.
23 citations,
June 2017 in “Drug Design Development and Therapy” Cyclodextrins improve finasteride's solubility and bioavailability for hair loss treatment.
23 citations,
July 1996 in “Archives of Dermatological Research” bFGF, VEGF, and minoxidil decrease collagen production in hair cells, possibly affecting hair growth.
19 citations,
June 2020 in “Animals” Poor maternal nutrition can lead to fewer wool follicles in Chinese Merino sheep.