Ingredient glossary

Palmitoyl Tripeptide-1

What Palmitoyl Tripeptide-1 does for your skin, who it suits, and what to watch for.

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

Decent support

In short: Palmitoyl Tripeptide-1 delivers anti-aging support and firming, suits most skin types, and the evidence behind it is moderate.

What it does
Anti aging, firming
Best for
Most skin types
Evidence
Moderate
Does it clash with what you use? Check it →

The molecule

Tap to enlarge
Chemical structure of Palmitoyl Tripeptide-1 (Palmitoyl Tripeptide-1)

The Glow take

Genuinely worth a spot in your routine.

When your goal is softening fine lines and keeping skin firm, Palmitoyl Tripeptide-1 pulls genuine weight, with a solid amount of evidence behind it. Gentle enough that most skin types can reach for it.

— Maya

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

How it fits each skin type

  • DrySuits
  • CombinationSuits
  • OilySuits
  • SensitiveSuits

Often chosen for photoaged.

Where it fits in your routine

WhenMorning or evening
Where in the orderAfter cleansing, before your moisturizer

Plays well with

Palmitoyl Tripeptide-1, answered

Is Palmitoyl Tripeptide-1 safe during pregnancy?

Yes. Palmitoyl Tripeptide-1 is considered safe to use during pregnancy and breastfeeding. As with anything, if you are unsure it is worth a quick word with your doctor or midwife.

Who should avoid Palmitoyl Tripeptide-1?

No specific group is flagged to avoid Palmitoyl Tripeptide-1. It is well tolerated by most skin. Still, introduce anything new one product at a time.

What concentration of Palmitoyl Tripeptide-1 actually works?

Palmitoyl Tripeptide-1 tends to do its job in the 0.0003 to 0.003% range. Much lower and it is likely underdosed.

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.

Decode my products →

Sources & how we reviewed this

Last reviewed July 2026. Educational information about a cosmetic ingredient, not medical advice.