Ingredient glossary

Palmitoyl Tripeptide-1

INCI: Palmitoyl Tripeptide-1 · Also: Pal-GHK, Palmitoyl Oligopeptide

Decent support

A reasonable supporting ingredient. It helps a formula without being the star.

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What it does

  • anti aging
  • firming

moderate evidenceIn vitro studies show increased collagen production and clinical work with peptide blends suggests wrinkle reductions though the individual contribution is hard to isolate.

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

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Educational information about a cosmetic ingredient, not medical advice.