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B., Oreskovic, L
Like other tetrapeptide bioregulators in the Khavinson series, Testagen is proposed to modulate tissue-specific gene expression through direct DNA interaction
| Key ingredients: Copper peptides, Acetyl hexapeptide-8, acetyl octapeptide-3 This affordable formula features multiple kinds of peptides, including copper peptides, to help target fine lines, wrinkles and dullness, the brand says
This is an expensive and difficult process that is not without side effects
Copper Peptides GHK-Cu Serum 30ml A fast-absorbing serum that delivers targeted peptide and hydration care without feeling greasy or heavy
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