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Some researchers use both, with GHK-Cu providing broader regenerative effects and AHK-Cu targeting hair specifically
Skin effects may appear more diffuse rather than localized
GHK-Cu handles the skin and tissue quality side of the aging equation
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Circular RNA TTBK2 regulates cell proliferation, invasion and ferroptosis via miR-761/ITGB8 axis in glioma
A 2017 study found that GHK-Cu reduced androgen receptor gene expression, suggesting a complementary mechanism to direct DHT blockade
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