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& Chen, W
This usually comes down to a single factor: bioavailability
GHK-Cu stimulates collagen and elastin at the gene expression level without causing irritation, and it actually helps repair UV damage rather than increasing UV sensitivity
International Journal of Molecular Sciences .PMID 30021883Read source Reviews Loading reviews Earn 200 Olympus points for an honest review
Yes sensitive skin can use copper peptides when introduced gradually and paired with gentle hydrators and barrier support.
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