Interestingly, this serums key ingredient list is the longest of our top picks, and it includes: Copper tripeptide-1 (GHK-Cu) Lactococcus ferment lysate Matrixyl 3000 (branded complex of palmitoyl tripeptide-1 and palmitoyl tetrapeptide-7) Matrixyl synthe'6 (branded complex containing palmitoyl tripeptide-38) Argirelox (branded complex of acetyl hexapeptide-8 and pentapeptide-18) Syn-Ake (branded dipeptide diaminobutyroyl benzylamide diacetate) Acetylarginyltryptophyl diphenylglycine Sodium hyaluronate Below, we break down the research behind some of these ingredients
The 50mg suits researchers who want a smaller initial quantity or are running a short, defined protocol
When the skin barrier is compromised, moisture escapes more easily, and irritants get in
Overall facial contours may look slightly more lifted
(PubMed) Suksomboon N, Poolsup N, Juanak N
Others are made using the amino acids found in dietary proteins like meat, eggs, or legumes