Platelet-Rich Plasma Stimulates Angiogenesis in Mice Which May Promote Hair Growth

    October 2017 in “ European Journal of Medical Research ”
    Hanxiao Cheng, Jufang Zhang, Jinsheng Li, Ming Jia, Yuyan Wang, Shen Haiyan
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    TLDR Platelet-rich plasma can help grow more and longer hair by creating new blood vessels.
    In 2017, a study was conducted on 60 mice to investigate the effects of platelet-rich plasma (PRP) on hair growth. The researchers found that PRP stimulated the formation of new blood vessels (angiogenesis), which in turn promoted hair growth. The PRP-treated group showed a significant increase in the number of hair follicles and the diameter of hair shafts compared to the control group. Additionally, the hair length in the PRP group was significantly longer than that in the control group 13 and 18 days after the last injection. The number of CD31-positive vessels, indicative of angiogenesis, was also higher in the PRP group. The study concluded that PRP might stimulate hair length growth and increase the number of hair follicles by inducing angiogenesis, suggesting its potential as a treatment for hair loss. However, further studies were needed to investigate the precise mechanism of PRP on hair growth.
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