10 citations
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January 2014 in “Genetics and Molecular Research” Liaoning Cashmere goat hair follicles show synchronized growth patterns with lowest activity in May.
56 citations
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August 1994 in “PubMed” Prolactin and melatonin can stimulate hair growth in Cashmere goat hair follicles, but melatonin may reduce follicle viability over time.
16 citations
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November 2009 in “Experimental dermatology” Ionizing radiation damages human hair follicles by stopping cell growth, causing cell death, disrupting color, and increasing stress and damage markers.
1 citations
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March 2023 in “International Journal of Trichology” Platelet-rich plasma didn't increase hair length but may help keep hair follicles alive.
55 citations
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September 2017 in “Journal of Cosmetic Dermatology” Platelet-rich plasma, taken from a person's own blood, can help rejuvenate skin, stimulate hair growth, and treat hair loss, but more research is needed to confirm its safety and effectiveness.