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February 1985 in “Archives of dermatological research” Hair dyes penetrate the scalp very minimally, less than 1%.
22 citations,
January 1968 in “THE JOURNAL OF VITAMINOLOGY” α-Tocopheryl acetate is well absorbed through healthy skin.
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January 2015 in “Skin pharmacology and physiology” Eating collagen peptides may help with skin and hair growth.
45 citations,
August 2010 in “Hormone Molecular Biology and Clinical Investigation” Type 3 5α-reductase is more common and finasteride and dutasteride strongly inhibit it.
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February 2015 in “Han-gug chugsan sigpum hag-hoeji/Korean journal for food science of animal resources” Egg shell membrane hydrolysates can reduce wrinkles and improve skin health.
63 citations,
May 2015 in “PloS one” GALT5 and GALT2 are important for plant growth and development because they help with protein glycosylation.
63 citations,
May 2011 in “Clinical cancer research” The topical inhibitor CUR61414 was not effective in treating basal cell carcinoma in human trials.
December 2023 in “Journal of the Endocrine Society” Blocking glucocorticoid receptors improves glucose metabolism in a PCOS mouse model.
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September 2010 in “Molecular & cellular proteomics” Pectin biosynthesis is essential for the growth of cotton fibers and Arabidopsis root hairs.
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May 2011 in “Drug Metabolism and Disposition” Ketoconazole increases finasteride's effectiveness and lifespan in the body.
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August 2014 in “Lipids” Human hair has more unsaturated fats inside than on the surface, and certain lipids may help bind the outer and inner layers together.
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April 2010 in “General and Comparative Endocrinology” Fadrozole and finasteride change gene expression related to sex hormones and thyroid hormones in frog larvae development.
The treatment was ineffective in humans.
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October 2011 in “Analytical biochemistry” Hair proteins have weak spots in their α-helical segments.
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July 2003 in “Drug Development Research” Fluridil promotes hair growth safely and effectively for androgenetic alopecia.
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October 2016 in “Nanomedicine: Nanotechnology, Biology and Medicine” Fullerenes show potential in skin care but need more safety research.
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April 2015 in “Current problems in dermatology” Human hair follicles have a unique metabolism that changes between growth stages and may contribute to baldness.
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May 1982 in “Journal of Endocrinology/Journal of endocrinology” Rat skin takes up and processes testosterone differently than other organs, with testosterone being more important for the skin than its metabolite 5α-DHT.
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November 2017 in “Biotechnology Letters” Researchers found four natural compounds that can change DHT levels in prostate cancer cells.
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January 2001 in “Chemical & Pharmaceutical Bulletin” New pregnane derivatives are effective at inhibiting an enzyme linked to hair loss and reducing oil gland activity.
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December 2015 in “The Egyptian Journal of Histology” Hypothyroidism harms rat skin, but topical triiodothyronine may help improve it.
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January 2004 in “Journal of Investigative Dermatology” Hair follicle size and distribution vary significantly across different body sites.
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February 1993 in “Journal of steroid biochemistry and molecular biology/The Journal of steroid biochemistry and molecular biology” Certain 4-azasteroids are effective at blocking the enzyme that processes testosterone in human skin and could help treat acne, excessive hair growth, and male pattern baldness.
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January 2003 in “Skin pharmacology and physiology” Different skin cells process testosterone differently, and certain drugs can change this process, possibly helping treat acne and hair loss.
136 citations,
March 1996 in “Journal of the American Chemical Society” Finasteride effectively blocks enzyme causing male pattern baldness.
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April 1998 in “Journal of biological chemistry/The Journal of biological chemistry” CYP2B12 enzyme in skin cells converts arachidonic acid into specific bioactive lipids.
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August 2007 in “Journal of animal science/Journal of animal science ... and ASAS reference compendium” Sheep wool follicles absorb different amino acids at various rates and locations, which could affect wool growth based on diet and genetics.