38 citations
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June 2005 in “Matrix Biology” Minoxidil affects collagen-related genes, potentially helping treat fibrosis.
37 citations
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January 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Apple extract called procyanidin B-2 was found to greatly increase hair growth.
36 citations
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September 2018 in “American Journal of Clinical Dermatology” Combination of 0.25% finasteride and 3% minoxidil works better than just 3% minoxidil for increasing hair thickness in women.
35 citations
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January 2022 in “Clinical Infectious Diseases” Healthcare workers with COVID-19 reported more long-term symptoms, and physical activity may help reduce some of these symptoms.
31 citations
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January 1989 in “Clinical and Experimental Dermatology” The study tested a hair treatment and found it can help grow hair, but won't stop baldness. It's safe and works well, but needs more testing.
30 citations
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May 1999 in “Food and chemical toxicology” Procyanidin B-2 is safe to use on skin as a hair growth product.
27 citations
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June 2013 in “Genes & development” Cav1.2 affects hair growth and could be a target for hair loss treatments.
25 citations
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January 2005 in “Pediatric Dermatology” Methotrexate effectively treated a 2-year-old's generalized pustular psoriasis without side effects.
25 citations
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February 1989 in “The Journal of Clinical Pharmacology” This document studied minoxidil in healthy volunteers. Minoxidil is quickly absorbed and eliminated from the body.
20 citations
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January 1990 in “Journal of dermatological treatment” Ketoconazole shampoo treats dandruff and reduces hair greasiness.
18 citations
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April 2010 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” The vitamin D receptor helps regulate skin and hair health independently of its usual vitamin D ligand.
18 citations
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January 2003 in “Gynecological Endocrinology” Low-dose finasteride effectively reduces hirsutism without serious side-effects.
17 citations
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May 2019 in “Molecules” These temporary hair dyes may be harmful to human health.
17 citations
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October 2003 in “Brazilian Journal of Medical and Biological Research” The gene SDR5A1 is found in scalp hair of both hirsute and normal individuals, but it does not explain differences in hair growth.
14 citations
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February 2018 in “Psychoneuroendocrinology” Mice lacking steroid 5α-reductase 2 show less aggression and better impulse control.
14 citations
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September 2015 in “PubMed” Alopecia areata can be managed with various treatments, and severe cases should be referred to dermatologists.
14 citations
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August 2007 in “Bioorganic & Medicinal Chemistry Letters” The compound (1R,2S)-4-(2-Cyano-cyclohexyl-oxy)-2-trifluoromethyl-benzonitrile can stimulate hair growth and reduce oil production when applied topically.
14 citations
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January 2006 in “Skin pharmacology and physiology” Procyanidin compounds from apples and barley promote hair growth and prevent hair cell death.
14 citations
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January 2005 in “Cell Stress and Chaperones”
13 citations
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January 2019 in “Endocrine journal” Dihydrotestosterone treatment can help penis growth in boys with 5α-reductase deficiency but doesn't fully normalize size after puberty.
10 citations
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March 2023 in “Journal of Chemistry” New compounds show promise for treating benign prostate hyperplasia with fewer side effects.
10 citations
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May 2019 in “International Journal of Environmental Research and Public Health” Finasteride may cause kidney damage.
10 citations
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January 2012 in “Annals of Dermatology” Finasteride 1.25 mg showed small improvements in hair density and thickness for female pattern hair loss, but more research is needed.
10 citations
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January 2008 in “Biological and Pharmaceutical Bulletin” t-Flavanone may help hair growth by reducing a specific protein's activity in skin cells.
10 citations
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September 1991 in “Journal of Dermatological Science” 8 citations
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July 2022 in “International Journal of Molecular Sciences” 17β-estradiol lowers polyamine oxidase levels in breast cancer cells through estrogen receptor 2.
8 citations
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October 2021 in “bioRxiv (Cold Spring Harbor Laboratory)” Healthcare workers with a positive COVID-19 test were more likely to report long-COVID symptoms.
8 citations
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May 2018 in “The Journal of Allergy and Clinical Immunology” Activating the Nrf2 pathway reduces inflammation and cell activation in human hair follicles, suggesting a potential treatment for certain hair loss conditions.
8 citations
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June 1995 in “Helvetica Chimica Acta” Compound 15a was effective in inhibiting 5α-reductase.
6 citations
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October 2024 in “BMC Infectious Diseases” Vaccination reduces COVID-19 severity, and some symptoms like hair loss can persist for a year.