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Description
Inhibit the effects of DHT (dihydrotestosterone), a key factor in hair loss

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However, if you happen to be choosing between the two, GHK-Cu is usually the better option since it helps the body use copper in a way that supports healthy skin, even being compared to Matrixyl Does GHK Combine with Copper Ions Naturally

Certificates of Analysis (COAs) are available to qualified researchers upon request
