Palmitoyl Pentapeptide-4
Good
Official INCI name
A signalling peptide sold as Matrixyl, meant to support skin's collagen. Evidence is modest, but it's gentle and well tolerated.
What it does
Active. Does something to the skin: exfoliating acids, retinoids, vitamins, peptides, soothing agents.
Also written as
Scans recognise it under every one of these names.
Matrixyl
“Palmitoyl Pentapeptide-4” is its name in the EU glossary of common ingredient names (no. 18823), the names labels in the EU must use. © European Union, EUR-Lex.