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Description
GHK-Cu is a bio-identical tripeptide naturally found in human plasma

Third, the scope of this review is limited to studies published up to the present date

Hwang KA, Hwang YL, Lee MH, Kim NR, Roh SS, Lee Y et al (2012) Adenosine stimulates growth of dermal papilla and lengthens the anagen phase by increasing the cysteine level via fibroblast growth factors 2 and 7 in an organ culture of mouse vibrissae hair follicles

The ranges below are indicative only

Hsieh, M., Liu, H., Wang, C., Huang, H., Lin, Y., Ko, Y., Wang, J., Chang, V., & Pang, J
