ghk cu pinning vs topical GHK-Cu might be trending, but it's not new. Before you inject yourself with this viral peptide, consider this. This copper peptide has been studied for years in skin repair and collagen signalling GHK-CU vs Other Copper Peptides:

One popular example is the supposedly healing combination of peptides BPC-157 and TB-500, known as the Wolverine stack after the X-Men superhero known for his ability to regrow body parts and recover from gunshot wounds in seconds

Specifically, at day 7, there is an infiltration of inflammatory cells while controls presented prominent edema, disintegrated reticulin fiber network, and no proliferation of collagen fibers (Figure 9 and Figure 10), and reduction of capillaries with survived arterioles of the myotendinous junction

it documents how a lyophilized research vial is brought into and kept in solution so that a defined quantity of material can be worked with in the laboratory

Severe neurological symptoms warrant urgent treatment

How to apply it safely: Apply to clean, slightly damp skin if the product instructions recommend it