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Peptide group
Palmitoyl Pentapeptide-4 (Matrixyl®), Palmitoyl Tripeptide-1 & Palmitoyl Tetrapeptide-7 (Matrixyl® 3000), Palmitoyl Tripeptide-38 and Palmitoyl Hexapeptide-12 — palmitoylated peptides described as signal peptides in the literature cited on each page.
5-mer
Matrixyl®
Palmitoyl Pentapeptide-4 (Pal-Lys-Thr-Thr-Lys-Ser)
Matrixyl® 3000
Palmitoyl Tripeptide-1 and Palmitoyl Tetrapeptide-7, a two-peptide material
Matrixyl® synthe'6®
Palmitoyl Tripeptide-38, a palmitoylated tripeptide
6-mer
Palmitoyl Hexapeptide-12 (Pal-Val-Gly-Val-Ala-Pro-Gly)
Grouped as signal peptides where the review by Gorouhi and Maibach (2009) or a paper on the peptide itself describes them so.