TLDR External treatments can change hair growth patterns in nude mice.
The study investigated the impact of exogenous stimulations on the hair growth pattern of nude mice, revealing that hair growth occurred in waves from the head to the posterior back. Male nude mice exhibited a more regular hair cycle pattern than females. Exogenous stimulations significantly extended the hair-existing phase and reduced the no-hair phase without altering the overall hair growth pattern. Topical minoxidil was most effective in males, while in females, wounds were more effective than minoxidil in prolonging the hair-existing phase, though the effect was not pronounced.
Cited in this study
3 / 3 results
127 citations
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May 2008 in “Journal of Investigative Dermatology” Mice hair growth patterns get more complex with age and can change with events like pregnancy or injury.
375 citations
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February 2006 in “Journal of Cell Science” The document concludes that the hair cycle is a complex process involving growth, regression, and rest phases, regulated by various molecular signals.
1010 citations
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August 2000 in “Cell” Hair follicle stem cells can form both hair follicles and skin.
January 2022 in “Wiadomości lekarskie (Warsaw Poland)” The herbal extract CS-10-H significantly promotes hair growth in mice.
2 citations
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October 2010 in “Journal of dermatological treatment” External treatments can change hair growth patterns in nude mice.
56 citations
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May 2007 in “Journal der Deutschen Dermatologischen Gesellschaft” Minoxidil works better for female hair loss than alfatradiol, both safe.
January 2007 in “Strait Pharmaceutical Journal” 
March 2005 in “Journal of The American Academy of Dermatology” Two cosmetic lotions improved hair growth and had better cosmetic effects than 2% minoxidil.
370 citations
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September 1999 in “The New England Journal of Medicine” Finasteride and minoxidil are effective for hair loss, but continued research is needed for better treatments.
