7 citations
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October 2008 in “Nature Genetics” Two key genetic areas linked to male-pattern baldness were identified.
2 citations
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September 2008 in “International Journal of Cosmetic Science” This study found that brushing hair increases the ratio of long-to-short segment breaks compared to combing, with factors like bleaching and wet combing contributing to more long segment breaks.
November 2001 in “PubMed” This research found that perming, combing, and stretching cause hair damage, leading to a significant reduction in keratin levels within a specific molecular weight range.
This study found that perming, combing, and stretching human hair lead to damage, as evidenced by a reduction in keratins with molecular weights between 67,000 to 43,000 daltons.
1707 citations
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December 2003 in “The New England Journal of Medicine” Combination therapy of doxazosin and finasteride safely and effectively reduces benign prostatic hyperplasia progression risk.