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That puts GHK-Cu far above this skincare protocols range
The Smart Approach: Stack, Dont Switch Rather than choosing between copper peptides and retinol, the evidence supports using both each addresses aging through a different biological mechanism, and theres no known antagonism between the two pathways
Peptides can also be reconstituted using sterile saline or normal saline if they are not intended for injection
Possible DSIP Side Effects and Safety Concerns Because modern human safety data is limited, the full risk profile of DSIP is not well established
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