ghk cu clinical trial skin anti aging randomized double blind Repost from @skincareanarchy • Copper peptides are one of the most misunderstood categories in skincare because people talk about them like they are all the same. They are not. The form with GHK-Cu Topical Serum: Benefits, Mechanism
Description
Lyophilized peptides are stable at room temperature for short periods

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PMID 15099407
doi:10.1128/AAC.03147-14
