2 citations
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April 2024 in “Urology Annals” Taking dutasteride every other day works as well as daily and better preserves sexual function.
29 citations
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September 2004 in “Fertility and Sterility” This study found that an intermittent low-dose regimen of finasteride (2.5 mg every 3 days) effectively reduced hirsutism scores in women with idiopathic hirsutism or polycystic ovary syndrome, with fewer side effects than continuous daily administration.
December 2024 in “Journal of Student Research” In this study, the researchers observed that using a shampoo containing hibiscus extract every two days was more effective at reducing hair loss among a small group of cosmetology students compared to using it every three days.
4 citations
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August 2023 in “Nature Communications” In this study, researchers observed that the combination of hair progenitors and their micro-niche changes every three days in mouse zigzag hair, and disruptions in specific genes affected this rhythm, highlighting the importance of this periodic change for normal hair morphology.
10 citations
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January 2024 in “Dermatology Research and Practice” This randomized, double-blind, placebo-controlled study found that a supplement containing hydrolysed collagen and vitamin C (Absolute Collagen) improved skin, scalp, and hair over 12 weeks when taken daily or every other day.