September 2024 in “Vietnam Journal of Biotechnology” Astaxanthin may help protect hair cells from damage and prevent hair loss.
2 citations
,
November 2022 in “Skin research and technology” 5% topical minoxidil improves hair density and quality in monilethrix patients.
1 citations
,
July 2023 in “Journal of Biophotonics” Red light at 8 mW/cm2 most effectively promotes hair cell growth and affects key growth pathways, especially in cells treated with a hair loss-related hormone.
2 citations
,
May 2012 in “Indian drugs” Finasteride, a hair loss treatment, works better and is more stable when delivered through specially prepared gels, leading to increased hair growth.
September 2018 in “Fertility and Sterility” The HSD3B1 variant increases hair loss risk in overweight women with PCOS.
64 citations
,
March 2008 in “Neuropsychopharmacology” January 2002 in “映像情報メディア学会技術報告” Some prostate cancers have gene changes that may affect treatment with certain drugs.
January 2025 in “International Journal of Molecular Sciences” Non-liganded Vitamin D Receptor is crucial for healthy skin and hair.
61 citations
,
January 2008 in “Biological & Pharmaceutical Bulletin” Finasteride almost fully depletes allopregnanolone in rat brains and enhances 20α-DHP, but doesn't change 3α-DHP levels.
54 citations
,
May 2015 in “Endocrinology” Manipulating 5α-reductase type 2 can affect liver fat production and glucocorticoid effects.
29 citations
,
December 2017 in “International Journal of Dermatology” People with alopecia areata often have lower vitamin D levels, which are linked to more severe and longer-lasting hair loss, but vitamin D receptor levels in the skin don't show the same pattern and don't predict treatment success.
2 citations
,
September 2022 in “Frontiers in Nutrition” High-dose vitamin D3 does not improve symptoms or quality of life in COVID-19 patients after one year.
September 2022 in “Al-Azhar University Journal of Virus Researches and Studies” Taking Vitamin D with clomiphene citrate significantly improves ovulation in women with Poly Cystic Ovary Syndrome.
9 citations
,
September 2017 in “Journal of Investigative Dermatology Symposium Proceedings” Prostaglandin D2 increases testosterone production in skin cells through a process involving reactive oxygen species, and antioxidants may help treat hair loss.
5 citations
,
July 1994 in “PubMed” Finasteride, when taken daily, lowers dihydrotestosterone levels but doesn't noticeably affect adrenal steroid production, except by blocking the 5 alpha-reductase enzyme.
January 2005 in “The Chinese Journal of Dermatovenereology” High fluoride increases damage in hair follicles, but low selenium can reduce this damage at lower fluoride levels.
1 citations
,
November 1995 in “Postgraduate medical journal” A Saudi individual initially identified as a girl had a genetic disorder affecting gender development.
43 citations
,
January 1999 in “Endocrinology” Cortisol increases a specific protein in bone cells, which may help explain its negative effects on bone.
11 citations
,
December 2010 in “The Journal of Urology” Taking oral testosterone with or without dutasteride increases testosterone levels and could be an effective treatment for low testosterone.
February 2026 in “Toxicology Letters” MK-0773 is a moderate inhibitor of the SRD5A2 enzyme.
2 citations
,
January 2025 in “Brazilian Journal of Medical and Biological Research” Vitamin D3 speeds up skin healing by helping skin stem cells grow and develop.
170 citations
,
May 1979 in “The journal of pediatrics/The Journal of pediatrics” Two sisters with rickets and hair loss had a genetic issue with vitamin D processing, and only improved when given phosphorus supplements.
9 citations
,
November 2008 in “Journal of Womens Health” Researchers had trouble finding enough participants for a trial on DHEA's effects on postmenopausal women's sexual desire.
18 citations
,
January 2002 in “Chemical & pharmaceutical bulletin/Chemical and pharmaceutical bulletin” New pregnane derivatives were more effective than finasteride at inhibiting a key enzyme for male pattern baldness.
1 citations
,
December 2023 in “Curēus” Most children with a common hemochromatosis genotype had elevated iron levels but no severe symptoms.
January 2016 in “Human & Experimental Toxicology” A specific DNA sequence caused hair loss in male mice by activating immune cells and increasing a certain immune signal.
3 citations
,
April 2010 in “The American Journal of Dermatopathology” Most people with scarring and nonscarring hair loss show similar D2-40 levels, but some with scarring hair loss have higher levels.
37 citations
,
December 2003 in “Reproductive Toxicology” The assay effectively detects hormonal activity of certain chemicals.
September 2017 in “Journal of Investigative Dermatology” Mackerel fermented fish oil protects skin cells from damage by UVB light.
17 citations
,
July 2013 in “Amino Acids” Increased ODC activity leads to skin tumors by recruiting stem cells, not by toxic byproducts.