Palmitoyl Pentapeptide-4 vs Palmitoyl Tetrapeptide-7 at a glance
Palmitoyl Pentapeptide-4
Palmitoyl Tetrapeptide-7
Type
Key active
Key active
What it is
Anti-aging signal peptide
Anti-aging signal peptide
Flags
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Palmitoyl Pentapeptide-4
Palmitoyl Pentapeptide-4 (Matrixyl, pal-KTTKS) is a lipidated peptide that signals fibroblasts to increase production of collagen, elastin, and other extracellular matrix components. It is used in topical formulations to help reduce the appearance of fine lines and improve skin firmness.
Palmitoyl Tetrapeptide-7 is a palmitoylated synthetic peptide used in cosmetic formulations, primarily marketed to help reduce inflammatory signaling and support a more even, firmer skin appearance. It is commonly paired with other peptides such as Palmitoyl Tripeptide-1 in anti-aging products.
What is the difference between Palmitoyl Pentapeptide-4 and Palmitoyl Tetrapeptide-7?
Palmitoyl Pentapeptide-4: Palmitoyl Pentapeptide-4 (Matrixyl, pal-KTTKS) is a lipidated peptide that signals fibroblasts to increase production of collagen, elastin, and other Palmitoyl Tetrapeptide-7: Palmitoyl Tetrapeptide-7 is a palmitoylated synthetic peptide used in cosmetic formulations, primarily marketed to help reduce inflammatory signaling
Which is better for my skin, Palmitoyl Pentapeptide-4 or Palmitoyl Tetrapeptide-7?
Neither is universally better — it depends on your skin type, tolerance and what else is in your routine. The flags above (fungal-acne, pore-clogging, fragrance, pregnancy) are the objective differences; a dermatologist can weigh them for your skin.
Can I use Palmitoyl Pentapeptide-4 and Palmitoyl Tetrapeptide-7 together?
Check the compatibility verdict linked on this page, or run your full routine through the routine checker before combining actives.
General educational information for Indian skin, compiled from published dermatology literature and structured ingredient data. Not medical advice or a diagnosis.