is zinc pca the new pz?

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  • harry1
    Junior Member
    • Jan 2016
    • 2

    is zinc pca the new pz?

    Hi, is Zinc PCA the new Pyrithione Zinc? Wondering if ZPCA is as effective, if not more effective, than PZ for treating hair loss?
  • harry1
    Junior Member
    • Jan 2016
    • 2

    #2
    no zinc experts here i guess

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