They discovered that the combination was especially good at increasing the amount of a specific type of collagen called collagen IV, which is crucial for the connection between the top two layers of our skin
Abbaspour N, Hurrell R, Kelishadi R
But again, those are not doing the same job as hormone therapy
If the firming, smoothing and barrier-supporting benefits are what's drawing you to copper peptides, these are the treatments to explore: Pro-Collagen Banking Water Cream , a peptide complex (Hexapeptide-37, Pentapeptide-4) with collagen amino acids that helps plump and preserve skin's collagen and elastin for visible bounce.* Awaken Peptide Depuffing Eye Gel , a peptide eye gel that helps reduce the look of puffiness and fine lines
"In weight-loss drugs, there's one
doi:10.1073/pnas.1106149108 Eagle H (1955) Nutrition needs of mammalian cells in tissue culture