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Cosmetic peptide comparison: GHK-Cu vs AHK-Cu vs Snap-8 vs Matrixyl Four most-procured cosmetic peptides compared on mechanism, INCI naming, typical use level, formulation compatibility, and which targets which cosmetic claim
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The TB-500 dosage calculator helps determine precise dosing based on body weight and protocol goals
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 communication at Vitastir is excellent
Prades R, Teixid M, Oller-Salvia B (2025) New trends in brain shuttle peptides
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