ION BLUE RESEARCH DIRECTORY
Signal Peptides
Signal Peptides groups peptides with similar mechanism profiles and practical use cases.
Category-level context for navigating related peptides and scientific evidence.
Related Peptides
Matrixyl 3000
Matrixyl 3000 is a cosmetic peptide blend of palmitoyl tripeptide-1 and palmitoyl tetrapeptide-7. A cited 12-week human study of a multi-component formula containing both peptides reported measured skin improvements; because the formula included additional actives, effects cannot be attributed to the peptide blend alone.
Matrixyl Synthe'6 (Palmitoyl Tripeptide-38)
Matrixyl Synthe'6 (INCI palmitoyl tripeptide-38) is a lipidated tripeptide cosmetic ingredient. Cited human evidence comes from multi-ingredient serums that include palmitoyl tripeptide-38 among other actives, several with commercial or manufacturer affiliation, so effects cannot be attributed to this peptide alone.
Palmitoyl Oligopeptide
Palmitoyl oligopeptide is a lipidated peptide cosmetic ingredient, cited within a peptide blend with palmitoyl tetrapeptide-7. Evidence is from a multi-ingredient blend, so effects cannot be attributed to palmitoyl oligopeptide alone.
Palmitoyl Pentapeptide-4
Palmitoyl pentapeptide-4 (pal-KTTKS, the peptide in the cosmetic ingredient Matrixyl) is a lipidated fragment of type I collagen used in skincare. Published primary evidence is largely in vitro and ex vivo (stability, skin-permeation, and fibroblast studies); independent controlled evidence for appearance benefits is limited.
Palmitoyl Tetrapeptide-7
Palmitoyl tetrapeptide-7 (pal-GQPR) is a lipidated tetrapeptide cosmetic ingredient, frequently used with palmitoyl tripeptide-1 (Matrixyl 3000) or palmitoyl oligopeptide. Cited human and ex vivo evidence comes from multi-ingredient blends, so effects cannot be attributed to this peptide alone.
Palmitoyl Tripeptide-1
Palmitoyl tripeptide-1 (pal-GHK) is a lipidated tripeptide cosmetic ingredient, often combined with palmitoyl tetrapeptide-7 (the pair is marketed as Matrixyl 3000). Cited human evidence comes from a multi-ingredient formula, so effects cannot be attributed to this peptide alone.