Ingredient glossary
Palmitoyl Pentapeptide-4
INCI: Palmitoyl Pentapeptide-4 · Also: Matrixyl, Pal-KTTKS
A genuinely useful ingredient with real evidence behind it, not hype.
What it does
- anti aging
- firming
- texture
moderate evidenceDouble blind clinical trials at three ppm report around thirty percent reductions in wrinkle volume with minimal irritation yet replication outside supplier studies is scarce.
On a label: usually effective at 0.0003-0.003%.
Who it's for, and who should skip it
Tends to suit
- normal
- dry
- combo
- photoaged
Approach with care
No specific group flagged to avoid it.
- Clogs poresLow
- Irritation riskLow
Plays well with
- retinoids
- niacinamide
- hyaluronic acid
This, for every label you own
One ingredient is easy. A full label is where it gets confusing. The Ingredient Decoder reads any product and tells you the honest truth, ingredient by ingredient.
Educational information about a cosmetic ingredient, not medical advice.